| import sys | |
| from test import test_support, list_tests | |
| class ListTest(list_tests.CommonTest): | |
| type2test = list | |
| def test_basic(self): | |
| self.assertEqual(list([]), []) | |
| l0_3 = [0, 1, 2, 3] | |
| l0_3_bis = list(l0_3) | |
| self.assertEqual(l0_3, l0_3_bis) | |
| self.assertTrue(l0_3 is not l0_3_bis) | |
| self.assertEqual(list(()), []) | |
| self.assertEqual(list((0, 1, 2, 3)), [0, 1, 2, 3]) | |
| self.assertEqual(list(''), []) | |
| self.assertEqual(list('spam'), ['s', 'p', 'a', 'm']) | |
| if sys.maxsize == 0x7fffffff: | |
| # This test can currently only work on 32-bit machines. | |
| # XXX If/when PySequence_Length() returns a ssize_t, it should be | |
| # XXX re-enabled. | |
| # Verify clearing of bug #556025. | |
| # This assumes that the max data size (sys.maxint) == max | |
| # address size this also assumes that the address size is at | |
| # least 4 bytes with 8 byte addresses, the bug is not well | |
| # tested | |
| # | |
| # Note: This test is expected to SEGV under Cygwin 1.3.12 or | |
| # earlier due to a newlib bug. See the following mailing list | |
| # thread for the details: | |
| # http://sources.redhat.com/ml/newlib/2002/msg00369.html | |
| self.assertRaises(MemoryError, list, xrange(sys.maxint // 2)) | |
| # This code used to segfault in Py2.4a3 | |
| x = [] | |
| x.extend(-y for y in x) | |
| self.assertEqual(x, []) | |
| def test_truth(self): | |
| super(ListTest, self).test_truth() | |
| self.assertTrue(not []) | |
| self.assertTrue([42]) | |
| def test_identity(self): | |
| self.assertTrue([] is not []) | |
| def test_len(self): | |
| super(ListTest, self).test_len() | |
| self.assertEqual(len([]), 0) | |
| self.assertEqual(len([0]), 1) | |
| self.assertEqual(len([0, 1, 2]), 3) | |
| def test_overflow(self): | |
| lst = [4, 5, 6, 7] | |
| n = int((sys.maxint*2+2) // len(lst)) | |
| def mul(a, b): return a * b | |
| def imul(a, b): a *= b | |
| self.assertRaises((MemoryError, OverflowError), mul, lst, n) | |
| self.assertRaises((MemoryError, OverflowError), imul, lst, n) | |
| def test_main(verbose=None): | |
| test_support.run_unittest(ListTest) | |
| # verify reference counting | |
| import sys | |
| if verbose and hasattr(sys, "gettotalrefcount"): | |
| import gc | |
| counts = [None] * 5 | |
| for i in xrange(len(counts)): | |
| test_support.run_unittest(ListTest) | |
| gc.collect() | |
| counts[i] = sys.gettotalrefcount() | |
| print counts | |
| if __name__ == "__main__": | |
| test_main(verbose=True) |