projects / OpenSPARC-T2-DV / blame
| Commit | Line | Data |
|---|---|---|
| 86530b38 AT |
1 | # Python test set -- built-in functions |
| 2 | ||
| 3 | import test.test_support, unittest | |
| 4 | import sys | |
| 5 | ||
| 6 | import warnings | |
| 7 | warnings.filterwarnings("ignore", "integer argument expected", | |
| 8 | DeprecationWarning, "unittest") | |
| 9 | ||
| 10 | class XrangeTest(unittest.TestCase): | |
| 11 | def test_xrange(self): | |
| 12 | self.assertEqual(list(xrange(3)), [0, 1, 2]) | |
| 13 | self.assertEqual(list(xrange(1, 5)), [1, 2, 3, 4]) | |
| 14 | self.assertEqual(list(xrange(0)), []) | |
| 15 | self.assertEqual(list(xrange(-3)), []) | |
| 16 | self.assertEqual(list(xrange(1, 10, 3)), [1, 4, 7]) | |
| 17 | self.assertEqual(list(xrange(5, -5, -3)), [5, 2, -1, -4]) | |
| 18 | ||
| 19 | a = 10 | |
| 20 | b = 100 | |
| 21 | c = 50 | |
| 22 | ||
| 23 | self.assertEqual(list(xrange(a, a+2)), [a, a+1]) | |
| 24 | self.assertEqual(list(xrange(a+2, a, -1L)), [a+2, a+1]) | |
| 25 | self.assertEqual(list(xrange(a+4, a, -2)), [a+4, a+2]) | |
| 26 | ||
| 27 | seq = list(xrange(a, b, c)) | |
| 28 | self.assert_(a in seq) | |
| 29 | self.assert_(b not in seq) | |
| 30 | self.assertEqual(len(seq), 2) | |
| 31 | ||
| 32 | seq = list(xrange(b, a, -c)) | |
| 33 | self.assert_(b in seq) | |
| 34 | self.assert_(a not in seq) | |
| 35 | self.assertEqual(len(seq), 2) | |
| 36 | ||
| 37 | seq = list(xrange(-a, -b, -c)) | |
| 38 | self.assert_(-a in seq) | |
| 39 | self.assert_(-b not in seq) | |
| 40 | self.assertEqual(len(seq), 2) | |
| 41 | ||
| 42 | self.assertRaises(TypeError, xrange) | |
| 43 | self.assertRaises(TypeError, xrange, 1, 2, 3, 4) | |
| 44 | self.assertRaises(ValueError, xrange, 1, 2, 0) | |
| 45 | ||
| 46 | self.assertRaises(OverflowError, xrange, 1e100, 1e101, 1e101) | |
| 47 | ||
| 48 | self.assertRaises(TypeError, xrange, 0, "spam") | |
| 49 | self.assertRaises(TypeError, xrange, 0, 42, "spam") | |
| 50 | ||
| 51 | self.assertEqual(len(xrange(0, sys.maxint, sys.maxint-1)), 2) | |
| 52 | ||
| 53 | self.assertRaises(OverflowError, xrange, -sys.maxint, sys.maxint) | |
| 54 | self.assertRaises(OverflowError, xrange, 0, 2*sys.maxint) | |
| 55 | ||
| 56 | r = xrange(-sys.maxint, sys.maxint, 2) | |
| 57 | if sys.maxint > 0x7fffffff: | |
| 58 | # XXX raising ValueError is less than ideal, but this can't | |
| 59 | # be fixed until range_length() returns a long in rangeobject.c | |
| 60 | self.assertRaises(ValueError, len, r) | |
| 61 | else: | |
| 62 | self.assertEqual(len(r), sys.maxint) | |
| 63 | self.assertRaises(OverflowError, xrange, -sys.maxint-1, sys.maxint, 2) | |
| 64 | ||
| 65 | def test_main(): | |
| 66 | test.test_support.run_unittest(XrangeTest) | |
| 67 | ||
| 68 | if __name__ == "__main__": | |
| 69 | test_main() |