Mercurial > cpython-lru_cache-weakref
annotate Lib/test/test_xrange.py @ 54294:dba767bc3155 legacy-trunk
remove mention of old ctypes version
| author | Benjamin Peterson <benjamin@python.org> |
|---|---|
| date | Sat, 23 May 2009 20:59:09 +0000 |
| parents | 82ccc7e77ec5 |
| children | c217e0331d4b 6768b2350c57 |
| rev | line source |
|---|---|
| 32535 | 1 # Python test set -- built-in functions |
| 2 | |
| 3 import test.test_support, unittest | |
| 4 import sys | |
|
47535
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
5 import pickle |
| 32535 | 6 |
| 7 import warnings | |
| 8 warnings.filterwarnings("ignore", "integer argument expected", | |
| 9 DeprecationWarning, "unittest") | |
| 10 | |
| 11 class XrangeTest(unittest.TestCase): | |
| 12 def test_xrange(self): | |
| 13 self.assertEqual(list(xrange(3)), [0, 1, 2]) | |
| 14 self.assertEqual(list(xrange(1, 5)), [1, 2, 3, 4]) | |
| 15 self.assertEqual(list(xrange(0)), []) | |
| 16 self.assertEqual(list(xrange(-3)), []) | |
| 17 self.assertEqual(list(xrange(1, 10, 3)), [1, 4, 7]) | |
| 18 self.assertEqual(list(xrange(5, -5, -3)), [5, 2, -1, -4]) | |
| 19 | |
| 20 a = 10 | |
| 21 b = 100 | |
| 22 c = 50 | |
| 23 | |
| 24 self.assertEqual(list(xrange(a, a+2)), [a, a+1]) | |
| 25 self.assertEqual(list(xrange(a+2, a, -1L)), [a+2, a+1]) | |
| 26 self.assertEqual(list(xrange(a+4, a, -2)), [a+4, a+2]) | |
| 27 | |
| 28 seq = list(xrange(a, b, c)) | |
| 29 self.assert_(a in seq) | |
| 30 self.assert_(b not in seq) | |
| 31 self.assertEqual(len(seq), 2) | |
| 32 | |
| 33 seq = list(xrange(b, a, -c)) | |
| 34 self.assert_(b in seq) | |
| 35 self.assert_(a not in seq) | |
| 36 self.assertEqual(len(seq), 2) | |
| 37 | |
| 38 seq = list(xrange(-a, -b, -c)) | |
| 39 self.assert_(-a in seq) | |
| 40 self.assert_(-b not in seq) | |
| 41 self.assertEqual(len(seq), 2) | |
| 42 | |
| 43 self.assertRaises(TypeError, xrange) | |
| 44 self.assertRaises(TypeError, xrange, 1, 2, 3, 4) | |
| 45 self.assertRaises(ValueError, xrange, 1, 2, 0) | |
| 46 | |
| 47 self.assertRaises(OverflowError, xrange, 1e100, 1e101, 1e101) | |
| 48 | |
| 49 self.assertRaises(TypeError, xrange, 0, "spam") | |
| 50 self.assertRaises(TypeError, xrange, 0, 42, "spam") | |
| 51 | |
|
33047
c81ed079576f
Bug 1003935: xrange overflows
Tim Peters <tim.peters@gmail.com>
parents:
32535
diff
changeset
|
52 self.assertEqual(len(xrange(0, sys.maxint, sys.maxint-1)), 2) |
|
c81ed079576f
Bug 1003935: xrange overflows
Tim Peters <tim.peters@gmail.com>
parents:
32535
diff
changeset
|
53 |
| 32535 | 54 self.assertRaises(OverflowError, xrange, -sys.maxint, sys.maxint) |
| 55 self.assertRaises(OverflowError, xrange, 0, 2*sys.maxint) | |
| 56 | |
|
33755
4f8db55ce124
Get test to pass on amd64 (opteron). This is pretty hacky, but
Neal Norwitz <nnorwitz@gmail.com>
parents:
33047
diff
changeset
|
57 r = xrange(-sys.maxint, sys.maxint, 2) |
|
37476
e6582905eeba
Make xrange more Py_ssize_t aware, by assuming a Py_ssize_t is always at
Thomas Wouters <thomas@python.org>
parents:
33755
diff
changeset
|
58 self.assertEqual(len(r), sys.maxint) |
|
33047
c81ed079576f
Bug 1003935: xrange overflows
Tim Peters <tim.peters@gmail.com>
parents:
32535
diff
changeset
|
59 self.assertRaises(OverflowError, xrange, -sys.maxint-1, sys.maxint, 2) |
|
c81ed079576f
Bug 1003935: xrange overflows
Tim Peters <tim.peters@gmail.com>
parents:
32535
diff
changeset
|
60 |
|
47535
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
61 def test_pickling(self): |
|
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
62 testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1), |
|
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
63 (13, 21, 3), (-2, 2, 2)] |
|
49677
82ccc7e77ec5
Merged revisions 66801,66803-66804,66813,66854-66856,66866,66870-66872,66874,66887,66903,66905,66911,66913,66927,66932,66938,66942,66962,66964,66973-66974,66977,66992,66998-66999,67002,67005,67007,67028,67040-67041,67044,67070,67089,67091,67101,67117-67119,67123-67124 via svnmerge from
Georg Brandl <georg@python.org>
parents:
47535
diff
changeset
|
64 for proto in range(pickle.HIGHEST_PROTOCOL + 1): |
|
47535
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
65 for t in testcases: |
|
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
66 r = xrange(*t) |
|
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
67 self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))), |
|
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
68 list(r)) |
|
3939ff89834c
Added better pickling support to xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
47534
diff
changeset
|
69 |
|
47534
df9b337ba311
Issue 2582: Fix pickling of xrange objects.
Alexandre Vassalotti <alexandre@peadrop.com>
parents:
37476
diff
changeset
|
70 |
| 32535 | 71 def test_main(): |
| 72 test.test_support.run_unittest(XrangeTest) | |
| 73 | |
| 74 if __name__ == "__main__": | |
| 75 test_main() |