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svn+ssh://pythondev@svn.python.org/python/trunk ........ r64365 | raymond.hettinger | 2008-06-17 19:56:57 -0500 (Tue, 17 Jun 2008) | 1 line Fix double decref. ........ r64370 | mark.dickinson | 2008-06-18 04:20:17 -0500 (Wed, 18 Jun 2008) | 2 lines Typo fix ........ r64406 | andrew.kuchling | 2008-06-19 09:02:30 -0500 (Thu, 19 Jun 2008) | 1 line Only include update_lines_cols() function when it's actually going to be used ........ r64408 | amaury.forgeotdarc | 2008-06-19 14:57:39 -0500 (Thu, 19 Jun 2008) | 2 lines test_macos can be skipped on non-mac platforms. ........ r64409 | andrew.kuchling | 2008-06-19 15:33:31 -0500 (Thu, 19 Jun 2008) | 1 line Put threading in front of thread ........ r64412 | amaury.forgeotdarc | 2008-06-19 16:17:12 -0500 (Thu, 19 Jun 2008) | 3 lines In test_site, correctly escape backslashes in path names. This allows the test to pass when the username begins with a lowercase 't'... ........ r64416 | vinay.sajip | 2008-06-19 17:40:17 -0500 (Thu, 19 Jun 2008) | 2 lines Bug #3136: fileConfig()'s disabling of old loggers is now conditional via an optional disable_existing_loggers parameter, but the default value is such that the old behaviour is preserved. Thanks to Leandro Lucarella for the patch. ........ r64417 | vinay.sajip | 2008-06-19 17:41:08 -0500 (Thu, 19 Jun 2008) | 1 line Updated with fix for #3136. ........ r64420 | andrew.kuchling | 2008-06-19 21:05:57 -0500 (Thu, 19 Jun 2008) | 1 line Various items ........ r64421 | andrew.kuchling | 2008-06-19 21:11:42 -0500 (Thu, 19 Jun 2008) | 1 line Fix comment typos ........ r64425 | andrew.kuchling | 2008-06-20 06:39:54 -0500 (Fri, 20 Jun 2008) | 1 line Various items ........ r64426 | mark.dickinson | 2008-06-20 09:53:43 -0500 (Fri, 20 Jun 2008) | 4 lines Issue #3004: Minor fix to slice.indices(). slice(-10).indices(9) now returns (0, 0, 1) instead of (0, -1, 1), and slice(None, 10, -1).indices(10) returns (9, 9, -1) instead of (9, 10, -1). ........ r64427 | mark.dickinson | 2008-06-20 10:17:41 -0500 (Fri, 20 Jun 2008) | 2 lines Fix outdated count of the number of new math module functions. ........ r64428 | mark.dickinson | 2008-06-20 10:26:19 -0500 (Fri, 20 Jun 2008) | 2 lines Fix another typo in math_sum comment ........
135 lines
4.3 KiB
Python
135 lines
4.3 KiB
Python
# tests for slice objects; in particular the indices method.
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import unittest
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from test import support
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from pickle import loads, dumps
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import sys
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class SliceTest(unittest.TestCase):
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def test_constructor(self):
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self.assertRaises(TypeError, slice)
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self.assertRaises(TypeError, slice, 1, 2, 3, 4)
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def test_repr(self):
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self.assertEqual(repr(slice(1, 2, 3)), "slice(1, 2, 3)")
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def test_hash(self):
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# Verify clearing of SF bug #800796
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self.assertRaises(TypeError, hash, slice(5))
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self.assertRaises(TypeError, slice(5).__hash__)
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def test_cmp(self):
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s1 = slice(1, 2, 3)
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s2 = slice(1, 2, 3)
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s3 = slice(1, 2, 4)
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self.assertEqual(s1, s2)
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self.assertNotEqual(s1, s3)
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self.assertNotEqual(s1, None)
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self.assertNotEqual(s1, (1, 2, 3))
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self.assertNotEqual(s1, "")
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class Exc(Exception):
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pass
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class BadCmp(object):
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def __eq__(self, other):
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raise Exc
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s1 = slice(BadCmp())
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s2 = slice(BadCmp())
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self.assertEqual(s1, s1)
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self.assertRaises(Exc, lambda: s1 == s2)
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s1 = slice(1, BadCmp())
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s2 = slice(1, BadCmp())
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self.assertEqual(s1, s1)
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self.assertRaises(Exc, lambda: s1 == s2)
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s1 = slice(1, 2, BadCmp())
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s2 = slice(1, 2, BadCmp())
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self.assertEqual(s1, s1)
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self.assertRaises(Exc, lambda: s1 == s2)
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def test_members(self):
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s = slice(1)
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self.assertEqual(s.start, None)
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self.assertEqual(s.stop, 1)
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self.assertEqual(s.step, None)
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s = slice(1, 2)
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self.assertEqual(s.start, 1)
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self.assertEqual(s.stop, 2)
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self.assertEqual(s.step, None)
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s = slice(1, 2, 3)
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self.assertEqual(s.start, 1)
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self.assertEqual(s.stop, 2)
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self.assertEqual(s.step, 3)
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class AnyClass:
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pass
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obj = AnyClass()
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s = slice(obj)
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self.assert_(s.stop is obj)
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def test_indices(self):
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self.assertEqual(slice(None ).indices(10), (0, 10, 1))
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self.assertEqual(slice(None, None, 2).indices(10), (0, 10, 2))
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self.assertEqual(slice(1, None, 2).indices(10), (1, 10, 2))
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self.assertEqual(slice(None, None, -1).indices(10), (9, -1, -1))
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self.assertEqual(slice(None, None, -2).indices(10), (9, -1, -2))
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self.assertEqual(slice(3, None, -2).indices(10), (3, -1, -2))
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# issue 3004 tests
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self.assertEqual(slice(None, -9).indices(10), (0, 1, 1))
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self.assertEqual(slice(None, -10).indices(10), (0, 0, 1))
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self.assertEqual(slice(None, -11).indices(10), (0, 0, 1))
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self.assertEqual(slice(None, -10, -1).indices(10), (9, 0, -1))
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self.assertEqual(slice(None, -11, -1).indices(10), (9, -1, -1))
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self.assertEqual(slice(None, -12, -1).indices(10), (9, -1, -1))
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self.assertEqual(slice(None, 9).indices(10), (0, 9, 1))
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self.assertEqual(slice(None, 10).indices(10), (0, 10, 1))
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self.assertEqual(slice(None, 11).indices(10), (0, 10, 1))
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self.assertEqual(slice(None, 8, -1).indices(10), (9, 8, -1))
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self.assertEqual(slice(None, 9, -1).indices(10), (9, 9, -1))
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self.assertEqual(slice(None, 10, -1).indices(10), (9, 9, -1))
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self.assertEqual(
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slice(-100, 100 ).indices(10),
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slice(None).indices(10)
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)
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self.assertEqual(
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slice(100, -100, -1).indices(10),
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slice(None, None, -1).indices(10)
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)
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self.assertEqual(slice(-100, 100, 2).indices(10), (0, 10, 2))
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self.assertEqual(list(range(10))[::sys.maxsize - 1], [0])
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self.assertRaises(OverflowError, slice(None).indices, 1<<100)
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def test_setslice_without_getslice(self):
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tmp = []
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class X(object):
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def __setitem__(self, i, k):
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tmp.append((i, k))
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x = X()
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x[1:2] = 42
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self.assertEquals(tmp, [(slice(1, 2), 42)])
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def test_pickle(self):
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s = slice(10, 20, 3)
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for protocol in (0,1,2):
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t = loads(dumps(s, protocol))
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self.assertEqual(s, t)
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self.assertEqual(s.indices(15), t.indices(15))
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self.assertNotEqual(id(s), id(t))
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def test_main():
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support.run_unittest(SliceTest)
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if __name__ == "__main__":
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test_main()
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