cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_long.py @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions

author	Mark Dickinson <dickinsm@gmail.com>
date	Sat, 06 Feb 2010 23:11:25 +0000
parents	873875657ad0
children	70e115c34f97

rev	line source
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	1 import unittest
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	2 from test import test_support
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	3 import sys
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	4
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	5 import random
50205 f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	6 import math
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	7
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	8 # Used for lazy formatting of failure messages
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	9 class Frm(object):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	10 def __init__(self, format, *args):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	11 self.format = format
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	12 self.args = args
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	13
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	14 def __str__(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	15 return self.format % self.args
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	16
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	17 # SHIFT should match the value in longintrepr.h for best testing.
52233 9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	18 SHIFT = sys.long_info.bits_per_digit
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	19 BASE = 2 ** SHIFT
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	20 MASK = BASE - 1
33348 adc66d314c78 Changed Karatsuba cutoff to match current reality. Tim Peters <tim.peters@gmail.com> parents: 27638 diff changeset	21 KARATSUBA_CUTOFF = 70 # from longobject.c
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	22
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	23 # Max number of base BASE digits to use in test cases. Doubling
24778 f1d18fcd56e6 Machines-- and Python --are a lot faster in relevant ways since this Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	24 # this will more than double the runtime.
f1d18fcd56e6 Machines-- and Python --are a lot faster in relevant ways since this Tim Peters <tim.peters@gmail.com> parents: 24364 diff changeset	25 MAXDIGITS = 15
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	26
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	27 # build some special values
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	28 special = map(long, [0, 1, 2, BASE, BASE >> 1])
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	29 special.append(0x5555555555555555L)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	30 special.append(0xaaaaaaaaaaaaaaaaL)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	31 # some solid strings of one bits
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	32 p2 = 4L # 0 and 1 already added
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	33 for i in range(2*SHIFT):
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	34 special.append(p2 - 1)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	35 p2 = p2 << 1
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	36 del p2
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	37 # add complements & negations
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	38 special = special + map(lambda x: ~x, special) + \
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	39 map(lambda x: -x, special)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	40
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	41 L = [
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	42 ('0', 0),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	43 ('1', 1),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	44 ('9', 9),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	45 ('10', 10),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	46 ('99', 99),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	47 ('100', 100),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	48 ('314', 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	49 (' 314', 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	50 ('314 ', 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	51 (' \t\t 314 \t\t ', 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	52 (repr(sys.maxint), sys.maxint),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	53 (' 1x', ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	54 (' 1 ', 1),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	55 (' 1\02 ', ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	56 ('', ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	57 (' ', ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	58 (' \t\t ', ValueError)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	59 ]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	60 if test_support.have_unicode:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	61 L += [
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	62 (unicode('0'), 0),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	63 (unicode('1'), 1),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	64 (unicode('9'), 9),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	65 (unicode('10'), 10),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	66 (unicode('99'), 99),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	67 (unicode('100'), 100),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	68 (unicode('314'), 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	69 (unicode(' 314'), 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	70 (unicode('\u0663\u0661\u0664 ','raw-unicode-escape'), 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	71 (unicode(' \t\t 314 \t\t '), 314),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	72 (unicode(' 1x'), ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	73 (unicode(' 1 '), 1),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	74 (unicode(' 1\02 '), ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	75 (unicode(''), ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	76 (unicode(' '), ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	77 (unicode(' \t\t '), ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	78 (unichr(0x200), ValueError),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	79 ]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	80
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	81
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	82 class LongTest(unittest.TestCase):
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	83
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	84 # Get quasi-random long consisting of ndigits digits (in base BASE).
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	85 # quasi == the most-significant digit will not be 0, and the number
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	86 # is constructed to contain long strings of 0 and 1 bits. These are
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	87 # more likely than random bits to provoke digit-boundary errors.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	88 # The sign of the number is also random.
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	89
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	90 def getran(self, ndigits):
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	91 self.assertTrue(ndigits > 0)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	92 nbits_hi = ndigits * SHIFT
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	93 nbits_lo = nbits_hi - SHIFT + 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	94 answer = 0L
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	95 nbits = 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	96 r = int(random.random() * (SHIFT * 2)) \| 1 # force 1 bits to start
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	97 while nbits < nbits_lo:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	98 bits = (r >> 1) + 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	99 bits = min(bits, nbits_hi - nbits)
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	100 self.assertTrue(1 <= bits <= SHIFT)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	101 nbits = nbits + bits
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	102 answer = answer << bits
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	103 if r & 1:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	104 answer = answer \| ((1 << bits) - 1)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	105 r = int(random.random() * (SHIFT * 2))
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	106 self.assertTrue(nbits_lo <= nbits <= nbits_hi)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	107 if random.random() < 0.5:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	108 answer = -answer
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	109 return answer
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	110
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	111 # Get random long consisting of ndigits random digits (relative to base
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	112 # BASE). The sign bit is also random.
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	113
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	114 def getran2(ndigits):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	115 answer = 0L
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	116 for i in xrange(ndigits):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	117 answer = (answer << SHIFT) \| random.randint(0, MASK)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	118 if random.random() < 0.5:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	119 answer = -answer
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	120 return answer
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	121
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	122 def check_division(self, x, y):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	123 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	124 q, r = divmod(x, y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	125 q2, r2 = x//y, x%y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	126 pab, pba = xy, yx
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	127 eq(pab, pba, Frm("multiplication does not commute for %r and %r", x, y))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	128 eq(q, q2, Frm("divmod returns different quotient than / for %r and %r", x, y))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	129 eq(r, r2, Frm("divmod returns different mod than %% for %r and %r", x, y))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	130 eq(x, qy + r, Frm("x != qy + r after divmod on x=%r, y=%r", x, y))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	131 if y > 0:
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	132 self.assertTrue(0 <= r < y, Frm("bad mod from divmod on %r and %r", x, y))
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	133 else:
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	134 self.assertTrue(y < r <= 0, Frm("bad mod from divmod on %r and %r", x, y))
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	135
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	136 def test_division(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	137 digits = range(1, MAXDIGITS+1) + range(KARATSUBA_CUTOFF,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	138 KARATSUBA_CUTOFF + 14)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	139 digits.append(KARATSUBA_CUTOFF * 3)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	140 for lenx in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	141 x = self.getran(lenx)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	142 for leny in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	143 y = self.getran(leny) or 1L
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	144 self.check_division(x, y)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	145
52233 9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	146 # specific numbers chosen to exercise corner cases of the
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	147 # current long division implementation
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	148
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	149 # 30-bit cases involving a quotient digit estimate of BASE+1
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	150 self.check_division(1231948412290879395966702881L,
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	151 1147341367131428698L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	152 self.check_division(815427756481275430342312021515587883L,
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	153 707270836069027745L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	154 self.check_division(627976073697012820849443363563599041L,
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	155 643588798496057020L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	156 self.check_division(1115141373653752303710932756325578065L,
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	157 1038556335171453937726882627L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	158 # 30-bit cases that require the post-subtraction correction step
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	159 self.check_division(922498905405436751940989320930368494L,
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	160 949985870686786135626943396L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	161 self.check_division(768235853328091167204009652174031844L,
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	162 1091555541180371554426545266L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	163
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	164 # 15-bit cases involving a quotient digit estimate of BASE+1
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	165 self.check_division(20172188947443L, 615611397L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	166 self.check_division(1020908530270155025L, 950795710L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	167 self.check_division(128589565723112408L, 736393718L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	168 self.check_division(609919780285761575L, 18613274546784L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	169 # 15-bit cases that require the post-subtraction correction step
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	170 self.check_division(710031681576388032L, 26769404391308L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	171 self.check_division(1933622614268221L, 30212853348836L)
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	172
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	173
9b358eae532a Issue #4258: Use 30-bit digits for Python longs, on 64-bit platforms. Mark Dickinson <dickinsm@gmail.com> parents: 50205 diff changeset	174
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	175 def test_karatsuba(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	176 digits = range(1, 5) + range(KARATSUBA_CUTOFF, KARATSUBA_CUTOFF + 10)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	177 digits.extend([KARATSUBA_CUTOFF * 10, KARATSUBA_CUTOFF * 100])
24794 1c63d3082656 Added a test specifically to tickle Karatsuba; it costs no appreciable Tim Peters <tim.peters@gmail.com> parents: 24779 diff changeset	178
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	179 bits = [digit * SHIFT for digit in digits]
24794 1c63d3082656 Added a test specifically to tickle Karatsuba; it costs no appreciable Tim Peters <tim.peters@gmail.com> parents: 24779 diff changeset	180
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	181 # Test products of long strings of 1 bits -- (2*x-1)(2**y-1) ==
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	182 # 2(x+y) - 2x - 2**y + 1, so the proper result is easy to check.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	183 for abits in bits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	184 a = (1L << abits) - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	185 for bbits in bits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	186 if bbits < abits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	187 continue
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	188 b = (1L << bbits) - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	189 x = a * b
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	190 y = ((1L << (abits + bbits)) -
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	191 (1L << abits) -
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	192 (1L << bbits) +
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	193 1)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	194 self.assertEqual(x, y,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	195 Frm("bad result for a*b: a=%r, b=%r, x=%r, y=%r", a, b, x, y))
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	196
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	197 def check_bitop_identities_1(self, x):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	198 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	199 eq(x & 0, 0, Frm("x & 0 != 0 for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	200 eq(x \| 0, x, Frm("x \| 0 != x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	201 eq(x ^ 0, x, Frm("x ^ 0 != x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	202 eq(x & -1, x, Frm("x & -1 != x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	203 eq(x \| -1, -1, Frm("x \| -1 != -1 for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	204 eq(x ^ -1, ~x, Frm("x ^ -1 != ~x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	205 eq(x, ~~x, Frm("x != ~~x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	206 eq(x & x, x, Frm("x & x != x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	207 eq(x \| x, x, Frm("x \| x != x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	208 eq(x ^ x, 0, Frm("x ^ x != 0 for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	209 eq(x & ~x, 0, Frm("x & ~x != 0 for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	210 eq(x \| ~x, -1, Frm("x \| ~x != -1 for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	211 eq(x ^ ~x, -1, Frm("x ^ ~x != -1 for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	212 eq(-x, 1 + ~x, Frm("not -x == 1 + ~x for x=%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	213 eq(-x, ~(x-1), Frm("not -x == ~(x-1) forx =%r", x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	214 for n in xrange(2*SHIFT):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	215 p2 = 2L ** n
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	216 eq(x << n >> n, x,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	217 Frm("x << n >> n != x for x=%r, n=%r", (x, n)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	218 eq(x // p2, x >> n,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	219 Frm("x // p2 != x >> n for x=%r n=%r p2=%r", (x, n, p2)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	220 eq(x * p2, x << n,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	221 Frm("x * p2 != x << n for x=%r n=%r p2=%r", (x, n, p2)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	222 eq(x & -p2, x >> n << n,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	223 Frm("not x & -p2 == x >> n << n for x=%r n=%r p2=%r", (x, n, p2)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	224 eq(x & -p2, x & ~(p2 - 1),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	225 Frm("not x & -p2 == x & ~(p2 - 1) for x=%r n=%r p2=%r", (x, n, p2)))
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	226
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	227 def check_bitop_identities_2(self, x, y):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	228 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	229 eq(x & y, y & x, Frm("x & y != y & x for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	230 eq(x \| y, y \| x, Frm("x \| y != y \| x for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	231 eq(x ^ y, y ^ x, Frm("x ^ y != y ^ x for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	232 eq(x ^ y ^ x, y, Frm("x ^ y ^ x != y for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	233 eq(x & y, ~(~x \| ~y), Frm("x & y != ~(~x \| ~y) for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	234 eq(x \| y, ~(~x & ~y), Frm("x \| y != ~(~x & ~y) for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	235 eq(x ^ y, (x \| y) & ~(x & y),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	236 Frm("x ^ y != (x \| y) & ~(x & y) for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	237 eq(x ^ y, (x & ~y) \| (~x & y),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	238 Frm("x ^ y == (x & ~y) \| (~x & y) for x=%r, y=%r", (x, y)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	239 eq(x ^ y, (x \| y) & (~x \| ~y),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	240 Frm("x ^ y == (x \| y) & (~x \| ~y) for x=%r, y=%r", (x, y)))
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	241
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	242 def check_bitop_identities_3(self, x, y, z):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	243 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	244 eq((x & y) & z, x & (y & z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	245 Frm("(x & y) & z != x & (y & z) for x=%r, y=%r, z=%r", (x, y, z)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	246 eq((x \| y) \| z, x \| (y \| z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	247 Frm("(x \| y) \| z != x \| (y \| z) for x=%r, y=%r, z=%r", (x, y, z)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	248 eq((x ^ y) ^ z, x ^ (y ^ z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	249 Frm("(x ^ y) ^ z != x ^ (y ^ z) for x=%r, y=%r, z=%r", (x, y, z)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	250 eq(x & (y \| z), (x & y) \| (x & z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	251 Frm("x & (y \| z) != (x & y) \| (x & z) for x=%r, y=%r, z=%r", (x, y, z)))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	252 eq(x \| (y & z), (x \| y) & (x \| z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	253 Frm("x \| (y & z) != (x \| y) & (x \| z) for x=%r, y=%r, z=%r", (x, y, z)))
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	254
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	255 def test_bitop_identities(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	256 for x in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	257 self.check_bitop_identities_1(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	258 digits = xrange(1, MAXDIGITS+1)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	259 for lenx in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	260 x = self.getran(lenx)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	261 self.check_bitop_identities_1(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	262 for leny in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	263 y = self.getran(leny)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	264 self.check_bitop_identities_2(x, y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	265 self.check_bitop_identities_3(x, y, self.getran((lenx + leny)//2))
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	266
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	267 def slow_format(self, x, base):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	268 if (x, base) == (0, 8):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	269 # this is an oddball!
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	270 return "0L"
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	271 digits = []
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	272 sign = 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	273 if x < 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	274 sign, x = 1, -x
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	275 while x:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	276 x, r = divmod(x, base)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	277 digits.append(int(r))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	278 digits.reverse()
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	279 digits = digits or [0]
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	280 return '-'[:sign] + \
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	281 {8: '0', 10: '', 16: '0x'}[base] + \
35177 27a718221e72 SF bug #1224347: int/long unification and hex() Raymond Hettinger <python@rcn.com> parents: 35072 diff changeset	282 "".join(map(lambda i: "0123456789abcdef"[i], digits)) + "L"
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	283
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	284 def check_format_1(self, x):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	285 for base, mapper in (8, oct), (10, repr), (16, hex):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	286 got = mapper(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	287 expected = self.slow_format(x, base)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	288 msg = Frm("%s returned %r but expected %r for %r",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	289 mapper.__name__, got, expected, x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	290 self.assertEqual(got, expected, msg)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	291 self.assertEqual(long(got, 0), x, Frm('long("%s", 0) != %r', got, x))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	292 # str() has to be checked a little differently since there's no
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	293 # trailing "L"
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	294 got = str(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	295 expected = self.slow_format(x, 10)[:-1]
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	296 msg = Frm("%s returned %r but expected %r for %r",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	297 mapper.__name__, got, expected, x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	298 self.assertEqual(got, expected, msg)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	299
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	300 def test_format(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	301 for x in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	302 self.check_format_1(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	303 for i in xrange(10):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	304 for lenx in xrange(1, MAXDIGITS+1):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	305 x = self.getran(lenx)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	306 self.check_format_1(x)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	307
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	308 def test_long(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	309 self.assertEqual(long(314), 314L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	310 self.assertEqual(long(3.14), 3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	311 self.assertEqual(long(314L), 314L)
49104 974040c8f369 #3777: long(4.2) returned an int, and broke backward compatibility. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48177 diff changeset	312 # Check that long() of basic types actually returns a long
974040c8f369 #3777: long(4.2) returned an int, and broke backward compatibility. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48177 diff changeset	313 self.assertEqual(type(long(314)), long)
974040c8f369 #3777: long(4.2) returned an int, and broke backward compatibility. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48177 diff changeset	314 self.assertEqual(type(long(3.14)), long)
974040c8f369 #3777: long(4.2) returned an int, and broke backward compatibility. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 48177 diff changeset	315 self.assertEqual(type(long(314L)), long)
46649 83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	316 # Check that conversion from float truncates towards zero
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	317 self.assertEqual(long(-3.14), -3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	318 self.assertEqual(long(3.9), 3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	319 self.assertEqual(long(-3.9), -3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	320 self.assertEqual(long(3.5), 3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	321 self.assertEqual(long(-3.5), -3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	322 self.assertEqual(long("-3"), -3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	323 if test_support.have_unicode:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	324 self.assertEqual(long(unicode("-3")), -3L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	325 # Different base:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	326 self.assertEqual(long("10",16), 16L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	327 if test_support.have_unicode:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	328 self.assertEqual(long(unicode("10"),16), 16L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	329 # Check conversions from string (same test set as for int(), and then some)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	330 LL = [
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	331 ('1' + '0'20, 10L*20),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	332 ('1' + '0'100, 10L*100)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	333 ]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	334 L2 = L[:]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	335 if test_support.have_unicode:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	336 L2 += [
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	337 (unicode('1') + unicode('0')20, 10L*20),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	338 (unicode('1') + unicode('0')100, 10L*100),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	339 ]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	340 for s, v in L2 + LL:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	341 for sign in "", "+", "-":
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	342 for prefix in "", " ", "\t", " \t\t ":
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	343 ss = prefix + sign + s
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	344 vv = v
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	345 if sign == "-" and v is not ValueError:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	346 vv = -v
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	347 try:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	348 self.assertEqual(long(ss), long(vv))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	349 except v:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	350 pass
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	351
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	352 self.assertRaises(ValueError, long, '123\0')
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	353 self.assertRaises(ValueError, long, '53', 40)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	354 self.assertRaises(TypeError, long, 1, 12)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	355
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	356 # SF patch #1638879: embedded NULs were not detected with
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	357 # explicit base
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	358 self.assertRaises(ValueError, long, '123\0', 10)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	359 self.assertRaises(ValueError, long, '123\x00 245', 20)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	360
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	361 self.assertEqual(long('100000000000000000000000000000000', 2),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	362 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	363 self.assertEqual(long('102002022201221111211', 3), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	364 self.assertEqual(long('10000000000000000', 4), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	365 self.assertEqual(long('32244002423141', 5), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	366 self.assertEqual(long('1550104015504', 6), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	367 self.assertEqual(long('211301422354', 7), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	368 self.assertEqual(long('40000000000', 8), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	369 self.assertEqual(long('12068657454', 9), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	370 self.assertEqual(long('4294967296', 10), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	371 self.assertEqual(long('1904440554', 11), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	372 self.assertEqual(long('9ba461594', 12), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	373 self.assertEqual(long('535a79889', 13), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	374 self.assertEqual(long('2ca5b7464', 14), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	375 self.assertEqual(long('1a20dcd81', 15), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	376 self.assertEqual(long('100000000', 16), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	377 self.assertEqual(long('a7ffda91', 17), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	378 self.assertEqual(long('704he7g4', 18), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	379 self.assertEqual(long('4f5aff66', 19), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	380 self.assertEqual(long('3723ai4g', 20), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	381 self.assertEqual(long('281d55i4', 21), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	382 self.assertEqual(long('1fj8b184', 22), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	383 self.assertEqual(long('1606k7ic', 23), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	384 self.assertEqual(long('mb994ag', 24), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	385 self.assertEqual(long('hek2mgl', 25), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	386 self.assertEqual(long('dnchbnm', 26), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	387 self.assertEqual(long('b28jpdm', 27), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	388 self.assertEqual(long('8pfgih4', 28), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	389 self.assertEqual(long('76beigg', 29), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	390 self.assertEqual(long('5qmcpqg', 30), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	391 self.assertEqual(long('4q0jto4', 31), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	392 self.assertEqual(long('4000000', 32), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	393 self.assertEqual(long('3aokq94', 33), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	394 self.assertEqual(long('2qhxjli', 34), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	395 self.assertEqual(long('2br45qb', 35), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	396 self.assertEqual(long('1z141z4', 36), 4294967296)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	397
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	398 self.assertEqual(long('100000000000000000000000000000001', 2),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	399 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	400 self.assertEqual(long('102002022201221111212', 3), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	401 self.assertEqual(long('10000000000000001', 4), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	402 self.assertEqual(long('32244002423142', 5), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	403 self.assertEqual(long('1550104015505', 6), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	404 self.assertEqual(long('211301422355', 7), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	405 self.assertEqual(long('40000000001', 8), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	406 self.assertEqual(long('12068657455', 9), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	407 self.assertEqual(long('4294967297', 10), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	408 self.assertEqual(long('1904440555', 11), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	409 self.assertEqual(long('9ba461595', 12), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	410 self.assertEqual(long('535a7988a', 13), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	411 self.assertEqual(long('2ca5b7465', 14), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	412 self.assertEqual(long('1a20dcd82', 15), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	413 self.assertEqual(long('100000001', 16), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	414 self.assertEqual(long('a7ffda92', 17), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	415 self.assertEqual(long('704he7g5', 18), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	416 self.assertEqual(long('4f5aff67', 19), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	417 self.assertEqual(long('3723ai4h', 20), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	418 self.assertEqual(long('281d55i5', 21), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	419 self.assertEqual(long('1fj8b185', 22), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	420 self.assertEqual(long('1606k7id', 23), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	421 self.assertEqual(long('mb994ah', 24), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	422 self.assertEqual(long('hek2mgm', 25), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	423 self.assertEqual(long('dnchbnn', 26), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	424 self.assertEqual(long('b28jpdn', 27), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	425 self.assertEqual(long('8pfgih5', 28), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	426 self.assertEqual(long('76beigh', 29), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	427 self.assertEqual(long('5qmcpqh', 30), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	428 self.assertEqual(long('4q0jto5', 31), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	429 self.assertEqual(long('4000001', 32), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	430 self.assertEqual(long('3aokq95', 33), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	431 self.assertEqual(long('2qhxjlj', 34), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	432 self.assertEqual(long('2br45qc', 35), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	433 self.assertEqual(long('1z141z5', 36), 4294967297)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	434
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	435
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	436 def test_conversion(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	437 # Test __long__()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	438 class ClassicMissingMethods:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	439 pass
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	440 self.assertRaises(AttributeError, long, ClassicMissingMethods())
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	441
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	442 class MissingMethods(object):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	443 pass
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	444 self.assertRaises(TypeError, long, MissingMethods())
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	445
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	446 class Foo0:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	447 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	448 return 42L
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	449
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	450 class Foo1(object):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	451 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	452 return 42L
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	453
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	454 class Foo2(long):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	455 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	456 return 42L
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	457
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	458 class Foo3(long):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	459 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	460 return self
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	461
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	462 class Foo4(long):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	463 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	464 return 42
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	465
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	466 class Foo5(long):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	467 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	468 return 42.
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	469
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	470 self.assertEqual(long(Foo0()), 42L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	471 self.assertEqual(long(Foo1()), 42L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	472 self.assertEqual(long(Foo2()), 42L)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	473 self.assertEqual(long(Foo3()), 0)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	474 self.assertEqual(long(Foo4()), 42)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	475 self.assertRaises(TypeError, long, Foo5())
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	476
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	477 class Classic:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	478 pass
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	479 for base in (object, Classic):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	480 class LongOverridesTrunc(base):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	481 def __long__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	482 return 42
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	483 def __trunc__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	484 return -12
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	485 self.assertEqual(long(LongOverridesTrunc()), 42)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	486
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	487 class JustTrunc(base):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	488 def __trunc__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	489 return 42
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	490 self.assertEqual(long(JustTrunc()), 42)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	491
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	492 for trunc_result_base in (object, Classic):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	493 class Integral(trunc_result_base):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	494 def __int__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	495 return 42
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	496
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	497 class TruncReturnsNonLong(base):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	498 def __trunc__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	499 return Integral()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	500 self.assertEqual(long(TruncReturnsNonLong()), 42)
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	501
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	502 class NonIntegral(trunc_result_base):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	503 def __trunc__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	504 # Check that we avoid infinite recursion.
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	505 return NonIntegral()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	506
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	507 class TruncReturnsNonIntegral(base):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	508 def __trunc__(self):
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	509 return NonIntegral()
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	510 try:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	511 long(TruncReturnsNonIntegral())
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	512 except TypeError as e:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	513 self.assertEquals(str(e),
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	514 "__trunc__ returned non-Integral"
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	515 " (type NonIntegral)")
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	516 else:
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	517 self.fail("Failed to raise TypeError with %s" %
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	518 ((base, trunc_result_base),))
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	519
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	520 def test_misc(self):
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	521
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	522 # check the extremes in int<->long conversion
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	523 hugepos = sys.maxint
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	524 hugeneg = -hugepos - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	525 hugepos_aslong = long(hugepos)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	526 hugeneg_aslong = long(hugeneg)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	527 self.assertEqual(hugepos, hugepos_aslong, "long(sys.maxint) != sys.maxint")
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	528 self.assertEqual(hugeneg, hugeneg_aslong,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	529 "long(-sys.maxint-1) != -sys.maxint-1")
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	530
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	531 # long -> int should not fail for hugepos_aslong or hugeneg_aslong
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	532 x = int(hugepos_aslong)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	533 try:
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	534 self.assertEqual(x, hugepos,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	535 "converting sys.maxint to long and back to int fails")
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	536 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	537 self.fail("int(long(sys.maxint)) overflowed!")
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	538 if not isinstance(x, int):
58764 873875657ad0 Fix a few UnboundLocalErrors in test_long. Georg Brandl <georg@python.org> parents: 58472 diff changeset	539 self.fail("int(long(sys.maxint)) should have returned int")
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	540 x = int(hugeneg_aslong)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	541 try:
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	542 self.assertEqual(x, hugeneg,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	543 "converting -sys.maxint-1 to long and back to int fails")
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	544 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	545 self.fail("int(long(-sys.maxint-1)) overflowed!")
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	546 if not isinstance(x, int):
58764 873875657ad0 Fix a few UnboundLocalErrors in test_long. Georg Brandl <georg@python.org> parents: 58472 diff changeset	547 self.fail("int(long(-sys.maxint-1)) should have returned int")
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	548 # but long -> int should overflow for hugepos+1 and hugeneg-1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	549 x = hugepos_aslong + 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	550 try:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	551 y = int(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	552 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	553 self.fail("int(long(sys.maxint) + 1) mustn't overflow")
58472 6ffcdafa0118 use assert[Not]IsInstance where appropriate Ezio Melotti <ezio.melotti@gmail.com> parents: 58198 diff changeset	554 self.assertIsInstance(y, long,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	555 "int(long(sys.maxint) + 1) should have returned long")
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	556
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	557 x = hugeneg_aslong - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	558 try:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	559 y = int(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	560 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	561 self.fail("int(long(-sys.maxint-1) - 1) mustn't overflow")
58472 6ffcdafa0118 use assert[Not]IsInstance where appropriate Ezio Melotti <ezio.melotti@gmail.com> parents: 58198 diff changeset	562 self.assertIsInstance(y, long,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	563 "int(long(-sys.maxint-1) - 1) should have returned long")
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	564
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	565 class long2(long):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	566 pass
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	567 x = long2(1L<<100)
26291 d31ddc66b1b5 Change int() so that passing a string, unicode, float or long argument Walter Dörwald <walter@livinglogic.de> parents: 24794 diff changeset	568 y = int(x)
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	569 self.assertTrue(type(y) is long,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	570 "overflowing int conversion must return long not long subtype")
26291 d31ddc66b1b5 Change int() so that passing a string, unicode, float or long argument Walter Dörwald <walter@livinglogic.de> parents: 24794 diff changeset	571
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	572 # long -> Py_ssize_t conversion
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	573 class X(object):
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	574 def __getslice__(self, i, j):
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	575 return i, j
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	576
58198 0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	577 self.assertEqual(X()[-5L:7L], (-5, 7))
0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	578 # use the clamping effect to test the smallest and largest longs
0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	579 # that fit a Py_ssize_t
0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	580 slicemin, slicemax = X()[-2L100:2L100]
0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	581 self.assertEqual(X()[slicemin:slicemax], (slicemin, slicemax))
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	582
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	583 # ----------------------------------- tests of auto int->long conversion
8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	584
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	585 def test_auto_overflow(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	586 import math, sys
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	587
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	588 special = [0, 1, 2, 3, sys.maxint-1, sys.maxint, sys.maxint+1]
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	589 sqrt = int(math.sqrt(sys.maxint))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	590 special.extend([sqrt-1, sqrt, sqrt+1])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	591 special.extend([-i for i in special])
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	592
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	593 def checkit(*args):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	594 # Heavy use of nested scopes here!
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	595 self.assertEqual(got, expected,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	596 Frm("for %r expected %r got %r", args, expected, got))
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	597
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	598 for x in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	599 longx = long(x)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	600
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	601 expected = -longx
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	602 got = -x
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	603 checkit('-', x)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	604
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	605 for y in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	606 longy = long(y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	607
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	608 expected = longx + longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	609 got = x + y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	610 checkit(x, '+', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	611
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	612 expected = longx - longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	613 got = x - y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	614 checkit(x, '-', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	615
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	616 expected = longx * longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	617 got = x * y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	618 checkit(x, '*', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	619
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	620 if y:
58198 0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	621 expected = longx / longy
0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by Senthil Kumaran <orsenthil@gmail.com> parents: 58197 diff changeset	622 got = x / y
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	623 checkit(x, '/', y)
19459 50019cb784e0 Add a test for the new // operator too. Tim Peters <tim.peters@gmail.com> parents: 19458 diff changeset	624
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	625 expected = longx // longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	626 got = x // y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	627 checkit(x, '//', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	628
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	629 expected = divmod(longx, longy)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	630 got = divmod(longx, longy)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	631 checkit(x, 'divmod', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	632
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	633 if abs(y) < 5 and not (x == 0 and y < 0):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	634 expected = longx ** longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	635 got = x ** y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	636 checkit(x, '**', y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	637
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	638 for z in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	639 if z != 0 :
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	640 if y >= 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	641 expected = pow(longx, longy, long(z))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	642 got = pow(x, y, z)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	643 checkit('pow', x, y, '%', z)
19666 cf65ebf87560 New restriction on pow(x, y, z): If z is not None, x and y must be of Tim Peters <tim.peters@gmail.com> parents: 19459 diff changeset	644 else:
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	645 self.assertRaises(TypeError, pow,longx, longy, long(z))
19674 715244108faa Raise OverflowError when appropriate on long->float conversion. Most of Tim Peters <tim.peters@gmail.com> parents: 19666 diff changeset	646
53289 8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	647 @unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	648 "test requires IEEE 754 doubles")
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	649 def test_float_conversion(self):
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	650 import sys
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	651 DBL_MAX = sys.float_info.max
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	652 DBL_MAX_EXP = sys.float_info.max_exp
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	653 DBL_MANT_DIG = sys.float_info.mant_dig
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	654
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	655 exact_values = [0L, 1L, 2L,
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	656 long(2**53-3),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	657 long(2**53-2),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	658 long(2**53-1),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	659 long(2**53),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	660 long(2**53+2),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	661 long(2**54-4),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	662 long(2**54-2),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	663 long(2**54),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	664 long(2**54+4)]
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	665 for x in exact_values:
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	666 self.assertEqual(long(float(x)), x)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	667 self.assertEqual(long(float(-x)), -x)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	668
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	669 # test round-half-even
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	670 for x, y in [(1, 0), (2, 2), (3, 4), (4, 4), (5, 4), (6, 6), (7, 8)]:
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	671 for p in xrange(15):
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	672 self.assertEqual(long(float(2L*p(253+x))), 2Lp(2*53+y))
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	673
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	674 for x, y in [(0, 0), (1, 0), (2, 0), (3, 4), (4, 4), (5, 4), (6, 8),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	675 (7, 8), (8, 8), (9, 8), (10, 8), (11, 12), (12, 12),
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	676 (13, 12), (14, 16), (15, 16)]:
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	677 for p in xrange(15):
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	678 self.assertEqual(long(float(2L*p(254+x))), 2Lp(2*54+y))
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	679
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	680 # behaviour near extremes of floating-point range
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	681 long_dbl_max = long(DBL_MAX)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	682 top_power = 2**DBL_MAX_EXP
53293 cee1fc076344 Nit: integer division should use //, not / Mark Dickinson <dickinsm@gmail.com> parents: 53289 diff changeset	683 halfway = (long_dbl_max + top_power)//2
53289 8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	684 self.assertEqual(float(long_dbl_max), DBL_MAX)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	685 self.assertEqual(float(long_dbl_max+1), DBL_MAX)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	686 self.assertEqual(float(halfway-1), DBL_MAX)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	687 self.assertRaises(OverflowError, float, halfway)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	688 self.assertEqual(float(1-halfway), -DBL_MAX)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	689 self.assertRaises(OverflowError, float, -halfway)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	690 self.assertRaises(OverflowError, float, top_power-1)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	691 self.assertRaises(OverflowError, float, top_power)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	692 self.assertRaises(OverflowError, float, top_power+1)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	693 self.assertRaises(OverflowError, float, 2*top_power-1)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	694 self.assertRaises(OverflowError, float, 2*top_power)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	695 self.assertRaises(OverflowError, float, top_power*top_power)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	696
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	697 for p in xrange(100):
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	698 x = long(2*p (2**53 + 1) + 1)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	699 y = long(2*p (2**53+ 2))
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	700 self.assertEqual(long(float(x)), y)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	701
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	702 x = long(2*p (2**53 + 1))
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	703 y = long(2*p 2**53)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	704 self.assertEqual(long(float(x)), y)
8f28ce7b8e69 Issue #3166: Make long -> float (and int -> float) conversions Mark Dickinson <dickinsm@gmail.com> parents: 52233 diff changeset	705
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	706 def test_float_overflow(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	707 import math
19674 715244108faa Raise OverflowError when appropriate on long->float conversion. Most of Tim Peters <tim.peters@gmail.com> parents: 19666 diff changeset	708
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	709 for x in -2.0, -1.0, 0.0, 1.0, 2.0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	710 self.assertEqual(float(long(x)), x)
19674 715244108faa Raise OverflowError when appropriate on long->float conversion. Most of Tim Peters <tim.peters@gmail.com> parents: 19666 diff changeset	711
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	712 shuge = '12345' * 120
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	713 huge = 1L << 30000
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	714 mhuge = -huge
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	715 namespace = {'huge': huge, 'mhuge': mhuge, 'shuge': shuge, 'math': math}
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	716 for test in ["float(huge)", "float(mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	717 "complex(huge)", "complex(mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	718 "complex(huge, 1)", "complex(mhuge, 1)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	719 "complex(1, huge)", "complex(1, mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	720 "1. + huge", "huge + 1.", "1. + mhuge", "mhuge + 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	721 "1. - huge", "huge - 1.", "1. - mhuge", "mhuge - 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	722 "1. * huge", "huge * 1.", "1. * mhuge", "mhuge * 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	723 "1. // huge", "huge // 1.", "1. // mhuge", "mhuge // 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	724 "1. / huge", "huge / 1.", "1. / mhuge", "mhuge / 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	725 "1. huge", "huge 1.", "1. mhuge", "mhuge 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	726 "math.sin(huge)", "math.sin(mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	727 "math.sqrt(huge)", "math.sqrt(mhuge)", # should do better
44488 94eeaeeb3ce9 Continue rolling back pep-3141 changes that changed behavior from 2.5. This Jeffrey Yasskin <jyasskin@gmail.com> parents: 44448 diff changeset	728 "math.floor(huge)", "math.floor(mhuge)"]:
19679 6958784b1cef Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 19674 diff changeset	729
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	730 self.assertRaises(OverflowError, eval, test, namespace)
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	731
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	732 # XXX Perhaps float(shuge) can raise OverflowError on some box?
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	733 # The comparison should not.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	734 self.assertNotEqual(float(shuge), int(shuge),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	735 "float(shuge) should not equal int(shuge)")
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	736
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	737 def test_logs(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	738 import math
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	739
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	740 LOG10E = math.log10(math.e)
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	741
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	742 for exp in range(10) + [100, 1000, 10000]:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	743 value = 10 ** exp
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	744 log10 = math.log10(value)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	745 self.assertAlmostEqual(log10, exp)
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	746
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	747 # log10(value) == exp, so log(value) == log10(value)/log10(e) ==
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	748 # exp/LOG10E
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	749 expected = exp / LOG10E
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	750 log = math.log(value)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	751 self.assertAlmostEqual(log, expected)
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	752
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	753 for bad in -(1L << 10000), -2L, 0L:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	754 self.assertRaises(ValueError, math.log, bad)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	755 self.assertRaises(ValueError, math.log10, bad)
19713 9433dd3c197e Return reasonable results for math.log(long) and math.log10(long) (we were Tim Peters <tim.peters@gmail.com> parents: 19698 diff changeset	756
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	757 def test_mixed_compares(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	758 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	759 import math
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	760
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	761 # We're mostly concerned with that mixing floats and longs does the
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	762 # right stuff, even when longs are too large to fit in a float.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	763 # The safest way to check the results is to use an entirely different
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	764 # method, which we do here via a skeletal rational class (which
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	765 # represents all Python ints, longs and floats exactly).
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	766 class Rat:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	767 def __init__(self, value):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	768 if isinstance(value, (int, long)):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	769 self.n = value
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	770 self.d = 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	771 elif isinstance(value, float):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	772 # Convert to exact rational equivalent.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	773 f, e = math.frexp(abs(value))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	774 assert f == 0 or 0.5 <= f < 1.0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	775 # \|value\| = f * 2**e exactly
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	776
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	777 # Suck up CHUNK bits at a time; 28 is enough so that we suck
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	778 # up all bits in 2 iterations for all known binary double-
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	779 # precision formats, and small enough to fit in an int.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	780 CHUNK = 28
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	781 top = 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	782 # invariant: \|value\| = (top + f) * 2**e exactly
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	783 while f:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	784 f = math.ldexp(f, CHUNK)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	785 digit = int(f)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	786 assert digit >> CHUNK == 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	787 top = (top << CHUNK) \| digit
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	788 f -= digit
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	789 assert 0.0 <= f < 1.0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	790 e -= CHUNK
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	791
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	792 # Now \|value\| = top * 2**e exactly.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	793 if e >= 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	794 n = top << e
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	795 d = 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	796 else:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	797 n = top
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	798 d = 1 << -e
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	799 if value < 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	800 n = -n
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	801 self.n = n
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	802 self.d = d
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	803 assert float(n) / float(d) == value
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	804 else:
58764 873875657ad0 Fix a few UnboundLocalErrors in test_long. Georg Brandl <georg@python.org> parents: 58472 diff changeset	805 raise TypeError("can't deal with %r" % value)
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	806
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	807 def __cmp__(self, other):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	808 if not isinstance(other, Rat):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	809 other = Rat(other)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	810 return cmp(self.n * other.d, self.d * other.n)
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	811
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	812 cases = [0, 0.001, 0.99, 1.0, 1.5, 1e20, 1e200]
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	813 # 248 is an important boundary in the internals. 253 is an
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	814 # important boundary for IEEE double precision.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	815 for t in 2.048, 2.050, 2.0**53:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	816 cases.extend([t - 1.0, t - 0.3, t, t + 0.3, t + 1.0,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	817 long(t-1), long(t), long(t+1)])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	818 cases.extend([0, 1, 2, sys.maxint, float(sys.maxint)])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	819 # 1L<<20000 should exceed all double formats. long(1e200) is to
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	820 # check that we get equality with 1e200 above.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	821 t = long(1e200)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	822 cases.extend([0L, 1L, 2L, 1L << 20000, t-1, t, t+1])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	823 cases.extend([-x for x in cases])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	824 for x in cases:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	825 Rx = Rat(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	826 for y in cases:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	827 Ry = Rat(y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	828 Rcmp = cmp(Rx, Ry)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	829 xycmp = cmp(x, y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	830 eq(Rcmp, xycmp, Frm("%r %r %d %d", x, y, Rcmp, xycmp))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	831 eq(x == y, Rcmp == 0, Frm("%r == %r %d", x, y, Rcmp))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	832 eq(x != y, Rcmp != 0, Frm("%r != %r %d", x, y, Rcmp))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	833 eq(x < y, Rcmp < 0, Frm("%r < %r %d", x, y, Rcmp))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	834 eq(x <= y, Rcmp <= 0, Frm("%r <= %r %d", x, y, Rcmp))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	835 eq(x > y, Rcmp > 0, Frm("%r > %r %d", x, y, Rcmp))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	836 eq(x >= y, Rcmp >= 0, Frm("%r >= %r %d", x, y, Rcmp))
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	837
44448 5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	838 def test_nan_inf(self):
5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	839 self.assertRaises(OverflowError, long, float('inf'))
48177 6c6a030567dd Issue #1481296: (again!) Make conversion of a float NaN to an int or Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	840 self.assertRaises(OverflowError, long, float('-inf'))
6c6a030567dd Issue #1481296: (again!) Make conversion of a float NaN to an int or Mark Dickinson <dickinsm@gmail.com> parents: 46649 diff changeset	841 self.assertRaises(ValueError, long, float('nan'))
44448 5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	842
50205 f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	843 def test_bit_length(self):
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	844 tiny = 1e-10
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	845 for x in xrange(-65000, 65000):
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	846 x = long(x)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	847 k = x.bit_length()
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	848 # Check equivalence with Python version
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	849 self.assertEqual(k, len(bin(x).lstrip('-0b')))
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	850 # Behaviour as specified in the docs
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	851 if x != 0:
55002 6768b2350c57 convert usage of fail* to assert* Benjamin Peterson <benjamin@python.org> parents: 53293 diff changeset	852 self.assertTrue(2(k-1) <= abs(x) < 2k)
50205 f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	853 else:
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	854 self.assertEqual(k, 0)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	855 # Alternative definition: x.bit_length() == 1 + floor(log_2(x))
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	856 if x != 0:
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	857 # When x is an exact power of 2, numeric errors can
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	858 # cause floor(log(x)/log(2)) to be one too small; for
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	859 # small x this can be fixed by adding a small quantity
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	860 # to the quotient before taking the floor.
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	861 self.assertEqual(k, 1 + math.floor(
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	862 math.log(abs(x))/math.log(2) + tiny))
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	863
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	864 self.assertEqual((0L).bit_length(), 0)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	865 self.assertEqual((1L).bit_length(), 1)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	866 self.assertEqual((-1L).bit_length(), 1)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	867 self.assertEqual((2L).bit_length(), 2)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	868 self.assertEqual((-2L).bit_length(), 2)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	869 for i in [2, 3, 15, 16, 17, 31, 32, 33, 63, 64, 234]:
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	870 a = 2L**i
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	871 self.assertEqual((a-1).bit_length(), i)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	872 self.assertEqual((1-a).bit_length(), i)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	873 self.assertEqual((a).bit_length(), i+1)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	874 self.assertEqual((-a).bit_length(), i+1)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	875 self.assertEqual((a+1).bit_length(), i+1)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	876 self.assertEqual((-a-1).bit_length(), i+1)
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	877
f0db06f49a4e Issue #3439: add bit_length method to int and long. Mark Dickinson <dickinsm@gmail.com> parents: 49104 diff changeset	878
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	879 def test_main():
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	880 test_support.run_unittest(LongTest)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	881
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	882 if __name__ == "__main__":
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	883 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_long.py @ 58765:2ba7677bfa95 legacy-trunk