cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_long.py @ 47949:6c1237cb5aaa legacy-trunk

Re-word

author	Andrew M. Kuchling <amk@amk.ca>
date	Sun, 13 Jul 2008 21:43:25 +0000
parents	83cc09682081
children	6c6a030567dd

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
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	6
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	7 # Used for lazy formatting of failure messages
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	8 class Frm(object):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	9 def __init__(self, format, *args):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	10 self.format = format
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	11 self.args = args
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	12
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	13 def __str__(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	14 return self.format % self.args
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	15
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	16 # SHIFT should match the value in longintrepr.h for best testing.
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	17 SHIFT = 15
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	18 BASE = 2 ** SHIFT
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	19 MASK = BASE - 1
33348 adc66d314c78 Changed Karatsuba cutoff to match current reality. Tim Peters <tim.peters@gmail.com> parents: 27638 diff changeset	20 KARATSUBA_CUTOFF = 70 # from longobject.c
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	21
5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	22 # 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	23 # 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	24 MAXDIGITS = 15
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	25
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	26 # build some special values
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	27 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	28 special.append(0x5555555555555555L)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	29 special.append(0xaaaaaaaaaaaaaaaaL)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	30 # some solid strings of one bits
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	31 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	32 for i in range(2*SHIFT):
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	33 special.append(p2 - 1)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	34 p2 = p2 << 1
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	35 del p2
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	36 # add complements & negations
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	37 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	38 map(lambda x: -x, special)
d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	39
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	40 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	41 ('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	42 ('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	43 ('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	44 ('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	45 ('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	46 ('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	47 ('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	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 (' \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	51 (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	52 (' 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	53 (' 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	54 (' 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	55 ('', 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 (' \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	58 ]
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 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	60 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	61 (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	62 (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	63 (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	64 (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	65 (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	66 (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	67 (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	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('\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	70 (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	71 (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	72 (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	73 (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	74 (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	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(' \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	77 (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	78 ]
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
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	80
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	81 class LongTest(unittest.TestCase):
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	82
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	83 # 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	84 # 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	85 # 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	86 # 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	87 # 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	88
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	89 def getran(self, ndigits):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	90 self.assert_(ndigits > 0)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	91 nbits_hi = ndigits * SHIFT
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	92 nbits_lo = nbits_hi - SHIFT + 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	93 answer = 0L
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	94 nbits = 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	95 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	96 while nbits < nbits_lo:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	97 bits = (r >> 1) + 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	98 bits = min(bits, nbits_hi - nbits)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	99 self.assert_(1 <= bits <= SHIFT)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	100 nbits = nbits + bits
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	101 answer = answer << bits
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	102 if r & 1:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	103 answer = answer \| ((1 << bits) - 1)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	104 r = int(random.random() * (SHIFT * 2))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	105 self.assert_(nbits_lo <= nbits <= nbits_hi)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	106 if random.random() < 0.5:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	107 answer = -answer
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	108 return answer
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	109
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	110 # 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	111 # 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	112
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	113 def getran2(ndigits):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	114 answer = 0L
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	115 for i in xrange(ndigits):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	116 answer = (answer << SHIFT) \| random.randint(0, MASK)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	117 if random.random() < 0.5:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	118 answer = -answer
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	119 return answer
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	120
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	121 def check_division(self, x, y):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	122 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	123 q, r = divmod(x, y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	124 q2, r2 = x//y, x%y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	125 pab, pba = xy, yx
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	126 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	127 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	128 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	129 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	130 if y > 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	131 self.assert_(0 <= r < y, Frm("bad mod from divmod on %r and %r", x, y))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	132 else:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	133 self.assert_(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	134
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	135 def test_division(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	136 digits = range(1, MAXDIGITS+1) + range(KARATSUBA_CUTOFF,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	137 KARATSUBA_CUTOFF + 14)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	138 digits.append(KARATSUBA_CUTOFF * 3)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	139 for lenx in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	140 x = self.getran(lenx)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	141 for leny in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	142 y = self.getran(leny) or 1L
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	143 self.check_division(x, y)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	144
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	145 def test_karatsuba(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	146 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	147 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	148
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	149 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	150
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	151 # 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	152 # 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	153 for abits in bits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	154 a = (1L << abits) - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	155 for bbits in bits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	156 if bbits < abits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	157 continue
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	158 b = (1L << bbits) - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	159 x = a * b
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	160 y = ((1L << (abits + bbits)) -
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	161 (1L << abits) -
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	162 (1L << bbits) +
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	163 1)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	164 self.assertEqual(x, y,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	165 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	166
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	167 def check_bitop_identities_1(self, x):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	168 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	169 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	170 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	171 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	172 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	173 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	174 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	175 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	176 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	177 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	178 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	179 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	180 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	181 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	182 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	183 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	184 for n in xrange(2*SHIFT):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	185 p2 = 2L ** n
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	186 eq(x << n >> n, x,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	187 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	188 eq(x // p2, x >> n,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	189 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	190 eq(x * p2, x << n,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	191 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	192 eq(x & -p2, x >> n << n,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	193 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	194 eq(x & -p2, x & ~(p2 - 1),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	195 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	196
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	197 def check_bitop_identities_2(self, x, y):
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 & 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	200 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	201 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	202 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	203 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	204 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	205 eq(x ^ y, (x \| y) & ~(x & y),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	206 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	207 eq(x ^ y, (x & ~y) \| (~x & y),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	208 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	209 eq(x ^ y, (x \| y) & (~x \| ~y),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	210 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	211
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	212 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	213 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	214 eq((x & y) & z, x & (y & z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	215 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	216 eq((x \| y) \| z, x \| (y \| z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	217 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	218 eq((x ^ y) ^ z, x ^ (y ^ z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	219 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	220 eq(x & (y \| z), (x & y) \| (x & z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	221 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	222 eq(x \| (y & z), (x \| y) & (x \| z),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	223 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	224
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	225 def test_bitop_identities(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	226 for x in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	227 self.check_bitop_identities_1(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	228 digits = xrange(1, MAXDIGITS+1)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	229 for lenx in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	230 x = self.getran(lenx)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	231 self.check_bitop_identities_1(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	232 for leny in digits:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	233 y = self.getran(leny)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	234 self.check_bitop_identities_2(x, y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	235 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	236
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	237 def slow_format(self, x, base):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	238 if (x, base) == (0, 8):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	239 # this is an oddball!
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	240 return "0L"
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	241 digits = []
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	242 sign = 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	243 if x < 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	244 sign, x = 1, -x
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	245 while x:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	246 x, r = divmod(x, base)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	247 digits.append(int(r))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	248 digits.reverse()
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	249 digits = digits or [0]
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	250 return '-'[:sign] + \
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	251 {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	252 "".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	253
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	254 def check_format_1(self, x):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	255 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	256 got = mapper(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	257 expected = self.slow_format(x, base)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	258 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	259 mapper.__name__, got, expected, x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	260 self.assertEqual(got, expected, msg)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	261 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	262 # 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	263 # trailing "L"
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	264 got = str(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	265 expected = self.slow_format(x, 10)[:-1]
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	266 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	267 mapper.__name__, got, expected, x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	268 self.assertEqual(got, expected, msg)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	269
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	270 def test_format(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	271 for x in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	272 self.check_format_1(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	273 for i in xrange(10):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	274 for lenx in xrange(1, MAXDIGITS+1):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	275 x = self.getran(lenx)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	276 self.check_format_1(x)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	277
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	278 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	279 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	280 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	281 self.assertEqual(long(314L), 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	282 # 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	283 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	284 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	285 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	286 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	287 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	288 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	289 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	290 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	291 # 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	292 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	293 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	294 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	295 # 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	296 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	297 ('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	298 ('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	299 ]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	300 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	301 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	302 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	303 (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	304 (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	305 ]
83cc09682081 Moved testing of builtin types out of test_builtin and into type specific modules Benjamin Peterson <benjamin@python.org> parents: 44488 diff changeset	306 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	307 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	308 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	309 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	310 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	311 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	312 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	313 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	314 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	315 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	316 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	317
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.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	319 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	320 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	321
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 # 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	323 # 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	324 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	325 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	326
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 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	328 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	329 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	330 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	331 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	332 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	333 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	334 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	335 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	336 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	337 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	338 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	339 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	340 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	341 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	342 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	343 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	344 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	345 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	346 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	347 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	348 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	349 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	350 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	351 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	352 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	353 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	354 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	355 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	356 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	357 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	358 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	359 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	360 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	361 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	362 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	363
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('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	365 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	366 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	367 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	368 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	369 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	370 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	371 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	372 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	373 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	374 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	375 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	376 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	377 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	378 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	379 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	380 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	381 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	382 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	383 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	384 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	385 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	386 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	387 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	388 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	389 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	390 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	391 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	392 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	393 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	394 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	395 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	396 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	397 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	398 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	399 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	400
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
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 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	403 # 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	404 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	405 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	406 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	407
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 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	409 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	410 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	411
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 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	413 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	414 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	415
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 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	417 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	418 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	419
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 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	421 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	422 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	423
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 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	425 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	426 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	427
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 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	429 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	430 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	431
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 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	433 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	434 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	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 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	437 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	438 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	439 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	440 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	441 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	442
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 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	444 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	445 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	446 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	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 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	449 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	450 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	451 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	452
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 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	454 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	455 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	456 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	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 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	459 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	460 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	461 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	462
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 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	464 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	465 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	466 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	467
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 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	469 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	470 # 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	471 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	472
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 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	474 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	475 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	476 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	477 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	478 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	479 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	480 "__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	481 " (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	482 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	483 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	484 ((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	485
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	486 def test_misc(self):
9209 d3af310f230c New test_long.py from Tim Peters. Guido van Rossum <guido@python.org> parents: 8989 diff changeset	487
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	488 # check the extremes in int<->long conversion
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	489 hugepos = sys.maxint
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	490 hugeneg = -hugepos - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	491 hugepos_aslong = long(hugepos)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	492 hugeneg_aslong = long(hugeneg)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	493 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	494 self.assertEqual(hugeneg, hugeneg_aslong,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	495 "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	496
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	497 # 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	498 x = int(hugepos_aslong)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	499 try:
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	500 self.assertEqual(x, hugepos,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	501 "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	502 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	503 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	504 if not isinstance(x, int):
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	505 raise TestFailed("int(long(sys.maxint)) should have returned int")
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	506 x = int(hugeneg_aslong)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	507 try:
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	508 self.assertEqual(x, hugeneg,
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	509 "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	510 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	511 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	512 if not isinstance(x, int):
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	513 raise TestFailed("int(long(-sys.maxint-1)) should have "
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	514 "returned int")
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	515 # 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	516 x = hugepos_aslong + 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	517 try:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	518 y = int(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	519 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	520 self.fail("int(long(sys.maxint) + 1) mustn't overflow")
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	521 self.assert_(isinstance(y, long),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	522 "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	523
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	524 x = hugeneg_aslong - 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	525 try:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	526 y = int(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	527 except OverflowError:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	528 self.fail("int(long(-sys.maxint-1) - 1) mustn't overflow")
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	529 self.assert_(isinstance(y, long),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	530 "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	531
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	532 class long2(long):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	533 pass
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	534 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	535 y = int(x)
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	536 self.assert_(type(y) is long,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	537 "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	538
39995 6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	539 # 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	540 class X(object):
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	541 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	542 return i, j
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	543
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	544 self.assertEqual(X()[-5L:7L], (-5, 7))
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	545 # use the clamping effect to test the smallest and largest longs
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	546 # that fit a Py_ssize_t
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	547 slicemin, slicemax = X()[-2L100:2L100]
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	548 self.assertEqual(X()[slicemin:slicemax], (slicemin, slicemax))
6ba402b60041 Forward-port of r52136,52138: a review of overflow-detecting code. Armin Rigo <arigo@tunes.org> parents: 35177 diff changeset	549
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	550 # ----------------------------------- 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	551
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	552 def test_auto_overflow(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	553 import math, sys
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	554
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	555 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	556 sqrt = int(math.sqrt(sys.maxint))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	557 special.extend([sqrt-1, sqrt, sqrt+1])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	558 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	559
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	560 def checkit(*args):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	561 # Heavy use of nested scopes here!
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	562 self.assertEqual(got, expected,
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	563 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	564
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	565 for x in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	566 longx = long(x)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	567
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	568 expected = -longx
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	569 got = -x
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	570 checkit('-', x)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	571
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	572 for y in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	573 longy = long(y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	574
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	575 expected = longx + longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	576 got = x + y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	577 checkit(x, '+', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	578
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	579 expected = longx - longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	580 got = x - y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	581 checkit(x, '-', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	582
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	583 expected = longx * longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	584 got = x * y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	585 checkit(x, '*', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	586
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	587 if y:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	588 expected = longx / longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	589 got = x / y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	590 checkit(x, '/', y)
19459 50019cb784e0 Add a test for the new // operator too. Tim Peters <tim.peters@gmail.com> parents: 19458 diff changeset	591
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	592 expected = longx // longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	593 got = x // y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	594 checkit(x, '//', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	595
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	596 expected = divmod(longx, longy)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	597 got = divmod(longx, longy)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	598 checkit(x, 'divmod', y)
19458 8f90e1f50c11 SF bug [#454456] int overflow code needs tests. Tim Peters <tim.peters@gmail.com> parents: 19452 diff changeset	599
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	600 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	601 expected = longx ** longy
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	602 got = x ** y
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	603 checkit(x, '**', y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	604
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	605 for z in special:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	606 if z != 0 :
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	607 if y >= 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	608 expected = pow(longx, longy, long(z))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	609 got = pow(x, y, z)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	610 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	611 else:
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	612 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	613
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	614 def test_float_overflow(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	615 import math
19674 715244108faa Raise OverflowError when appropriate on long->float conversion. Most of Tim Peters <tim.peters@gmail.com> parents: 19666 diff changeset	616
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	617 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	618 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	619
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	620 shuge = '12345' * 120
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	621 huge = 1L << 30000
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	622 mhuge = -huge
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	623 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	624 for test in ["float(huge)", "float(mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	625 "complex(huge)", "complex(mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	626 "complex(huge, 1)", "complex(mhuge, 1)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	627 "complex(1, huge)", "complex(1, mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	628 "1. + huge", "huge + 1.", "1. + mhuge", "mhuge + 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	629 "1. - huge", "huge - 1.", "1. - mhuge", "mhuge - 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	630 "1. * huge", "huge * 1.", "1. * mhuge", "mhuge * 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	631 "1. // huge", "huge // 1.", "1. // mhuge", "mhuge // 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	632 "1. / huge", "huge / 1.", "1. / mhuge", "mhuge / 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	633 "1. huge", "huge 1.", "1. mhuge", "mhuge 1.",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	634 "math.sin(huge)", "math.sin(mhuge)",
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	635 "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	636 "math.floor(huge)", "math.floor(mhuge)"]:
19679 6958784b1cef Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 19674 diff changeset	637
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	638 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	639
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	640 # 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	641 # The comparison should not.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	642 self.assertNotEqual(float(shuge), int(shuge),
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	643 "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	644
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	645 def test_logs(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	646 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	647
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	648 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	649
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	650 for exp in range(10) + [100, 1000, 10000]:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	651 value = 10 ** exp
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	652 log10 = math.log10(value)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	653 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	654
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	655 # 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	656 # exp/LOG10E
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	657 expected = exp / LOG10E
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	658 log = math.log(value)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	659 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	660
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	661 for bad in -(1L << 10000), -2L, 0L:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	662 self.assertRaises(ValueError, math.log, bad)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	663 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	664
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	665 def test_mixed_compares(self):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	666 eq = self.assertEqual
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	667 import math
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	668
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	669 # 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	670 # 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	671 # 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	672 # 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	673 # represents all Python ints, longs and floats exactly).
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	674 class Rat:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	675 def __init__(self, value):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	676 if isinstance(value, (int, long)):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	677 self.n = value
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	678 self.d = 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	679 elif isinstance(value, float):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	680 # Convert to exact rational equivalent.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	681 f, e = math.frexp(abs(value))
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	682 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	683 # \|value\| = f * 2**e exactly
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	684
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	685 # 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	686 # 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	687 # 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	688 CHUNK = 28
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	689 top = 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	690 # invariant: \|value\| = (top + f) * 2**e exactly
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	691 while f:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	692 f = math.ldexp(f, CHUNK)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	693 digit = int(f)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	694 assert digit >> CHUNK == 0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	695 top = (top << CHUNK) \| digit
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	696 f -= digit
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	697 assert 0.0 <= f < 1.0
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	698 e -= CHUNK
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	699
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	700 # Now \|value\| = top * 2**e exactly.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	701 if e >= 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	702 n = top << e
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	703 d = 1
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	704 else:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	705 n = top
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	706 d = 1 << -e
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	707 if value < 0:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	708 n = -n
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	709 self.n = n
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	710 self.d = d
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	711 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	712 else:
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	713 raise TypeError("can't deal with %r" % val)
33547 702367da2c72 SF bug #513866: Float/long comparison anomaly. Tim Peters <tim.peters@gmail.com> parents: 33348 diff changeset	714
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	715 def __cmp__(self, other):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	716 if not isinstance(other, Rat):
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	717 other = Rat(other)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	718 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	719
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	720 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	721 # 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	722 # important boundary for IEEE double precision.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	723 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	724 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	725 long(t-1), long(t), long(t+1)])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	726 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	727 # 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	728 # check that we get equality with 1e200 above.
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	729 t = long(1e200)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	730 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	731 cases.extend([-x for x in cases])
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	732 for x in cases:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	733 Rx = Rat(x)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	734 for y in cases:
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	735 Ry = Rat(y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	736 Rcmp = cmp(Rx, Ry)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	737 xycmp = cmp(x, y)
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	738 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	739 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	740 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	741 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	742 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	743 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	744 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	745
44448 5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	746 def test_nan_inf(self):
5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	747 self.assertRaises(OverflowError, long, float('inf'))
5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	748 self.assertEqual(long(float('nan')), 0L)
5e0170d3c4da Bug #1481296: Fixed long(float('nan'))!=0L. Christian Heimes <christian@cheimes.de> parents: 44432 diff changeset	749
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	750 def test_main():
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	751 test_support.run_unittest(LongTest)
8989 5fb3c683e862 Add Tim Peters' test for long ints Guido van Rossum <guido@python.org> parents: diff changeset	752
35072 5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	753 if __name__ == "__main__":
5fb2163231d3 Port test_long.py to unittest. Walter Dörwald <walter@livinglogic.de> parents: 33547 diff changeset	754 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_long.py @ 47949:6c1237cb5aaa legacy-trunk