author | Mike Kinghan <mikek@symbian.org> |
Thu, 25 Nov 2010 14:28:39 +0000 | |
branch | GCC_SURGE |
changeset 135 | 10852f1a0ae9 |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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# Python test set -- built-in functions |
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import test.test_support, unittest |
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import sys |
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import pickle |
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import warnings |
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warnings.filterwarnings("ignore", "integer argument expected", |
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DeprecationWarning, "unittest") |
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class XrangeTest(unittest.TestCase): |
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def test_xrange(self): |
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self.assertEqual(list(xrange(3)), [0, 1, 2]) |
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self.assertEqual(list(xrange(1, 5)), [1, 2, 3, 4]) |
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self.assertEqual(list(xrange(0)), []) |
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self.assertEqual(list(xrange(-3)), []) |
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self.assertEqual(list(xrange(1, 10, 3)), [1, 4, 7]) |
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self.assertEqual(list(xrange(5, -5, -3)), [5, 2, -1, -4]) |
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a = 10 |
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b = 100 |
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c = 50 |
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self.assertEqual(list(xrange(a, a+2)), [a, a+1]) |
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self.assertEqual(list(xrange(a+2, a, -1L)), [a+2, a+1]) |
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self.assertEqual(list(xrange(a+4, a, -2)), [a+4, a+2]) |
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seq = list(xrange(a, b, c)) |
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self.assert_(a in seq) |
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self.assert_(b not in seq) |
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self.assertEqual(len(seq), 2) |
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seq = list(xrange(b, a, -c)) |
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self.assert_(b in seq) |
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self.assert_(a not in seq) |
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self.assertEqual(len(seq), 2) |
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seq = list(xrange(-a, -b, -c)) |
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self.assert_(-a in seq) |
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self.assert_(-b not in seq) |
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self.assertEqual(len(seq), 2) |
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self.assertRaises(TypeError, xrange) |
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self.assertRaises(TypeError, xrange, 1, 2, 3, 4) |
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self.assertRaises(ValueError, xrange, 1, 2, 0) |
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self.assertRaises(OverflowError, xrange, 1e100, 1e101, 1e101) |
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self.assertRaises(TypeError, xrange, 0, "spam") |
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self.assertRaises(TypeError, xrange, 0, 42, "spam") |
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self.assertEqual(len(xrange(0, sys.maxint, sys.maxint-1)), 2) |
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self.assertRaises(OverflowError, xrange, -sys.maxint, sys.maxint) |
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self.assertRaises(OverflowError, xrange, 0, 2*sys.maxint) |
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r = xrange(-sys.maxint, sys.maxint, 2) |
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self.assertEqual(len(r), sys.maxint) |
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self.assertRaises(OverflowError, xrange, -sys.maxint-1, sys.maxint, 2) |
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def test_pickling(self): |
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testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1), |
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(13, 21, 3), (-2, 2, 2)] |
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for proto in range(pickle.HIGHEST_PROTOCOL + 1): |
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for t in testcases: |
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r = xrange(*t) |
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self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))), |
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list(r)) |
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def test_main(): |
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test.test_support.run_unittest(XrangeTest) |
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if __name__ == "__main__": |
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test_main() |