diff options
Diffstat (limited to 'Lib/test/test_long.py')
| -rw-r--r-- | Lib/test/test_long.py | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/Lib/test/test_long.py b/Lib/test/test_long.py index 92fe7a1..e0c781f 100644 --- a/Lib/test/test_long.py +++ b/Lib/test/test_long.py @@ -247,17 +247,23 @@ class LongTest(unittest.TestCase): "long(-sys.maxint-1) != -sys.maxint-1") # long -> int should not fail for hugepos_aslong or hugeneg_aslong + x = int(hugepos_aslong) try: - self.assertEqual(int(hugepos_aslong), hugepos, + self.assertEqual(x, hugepos, "converting sys.maxint to long and back to int fails") except OverflowError: self.fail("int(long(sys.maxint)) overflowed!") + if not isinstance(x, int): + raise TestFailed("int(long(sys.maxint)) should have returned int") + x = int(hugeneg_aslong) try: - self.assertEqual(int(hugeneg_aslong), hugeneg, + self.assertEqual(x, hugeneg, "converting -sys.maxint-1 to long and back to int fails") except OverflowError: self.fail("int(long(-sys.maxint-1)) overflowed!") - + if not isinstance(x, int): + raise TestFailed("int(long(-sys.maxint-1)) should have " + "returned int") # but long -> int should overflow for hugepos+1 and hugeneg-1 x = hugepos_aslong + 1 try: @@ -282,6 +288,17 @@ class LongTest(unittest.TestCase): self.assert_(type(y) is long, "overflowing int conversion must return long not long subtype") + # long -> Py_ssize_t conversion + class X(object): + def __getslice__(self, i, j): + return i, j + + self.assertEqual(X()[-5L:7L], (-5, 7)) + # use the clamping effect to test the smallest and largest longs + # that fit a Py_ssize_t + slicemin, slicemax = X()[-2L**100:2L**100] + self.assertEqual(X()[slicemin:slicemax], (slicemin, slicemax)) + # ----------------------------------- tests of auto int->long conversion def test_auto_overflow(self): |