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| author | Serhiy Storchaka <storchaka@gmail.com> | 2016-08-29 12:59:48 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2016-08-29 12:59:48 (GMT) |
| commit | 2be278c70c128f67e6fa7a1790543a8990f384b8 (patch) | |
| tree | 8775157c422cf880ee5477b765739c676fc00b5c /Lib/test | |
| parent | 1f9326196ecce5373aa788fa403c3361c59fce4e (diff) | |
| parent | 84e6311dee71bb104e1779c89cf22ff703799086 (diff) | |
| download | cpython-2be278c70c128f67e6fa7a1790543a8990f384b8.zip cpython-2be278c70c128f67e6fa7a1790543a8990f384b8.tar.gz cpython-2be278c70c128f67e6fa7a1790543a8990f384b8.tar.bz2 | |
Merge heads
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_cmath.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_cmath.py b/Lib/test/test_cmath.py index 1f884e5..11b0c61 100644 --- a/Lib/test/test_cmath.py +++ b/Lib/test/test_cmath.py @@ -154,6 +154,23 @@ class CMathTests(unittest.TestCase): self.assertAlmostEqual(cmath.e, e_expected, places=9, msg="cmath.e is {}; should be {}".format(cmath.e, e_expected)) + def test_infinity_and_nan_constants(self): + self.assertEqual(cmath.inf.real, math.inf) + self.assertEqual(cmath.inf.imag, 0.0) + self.assertEqual(cmath.infj.real, 0.0) + self.assertEqual(cmath.infj.imag, math.inf) + + self.assertTrue(math.isnan(cmath.nan.real)) + self.assertEqual(cmath.nan.imag, 0.0) + self.assertEqual(cmath.nanj.real, 0.0) + self.assertTrue(math.isnan(cmath.nanj.imag)) + + # Check consistency with reprs. + self.assertEqual(repr(cmath.inf), "inf") + self.assertEqual(repr(cmath.infj), "infj") + self.assertEqual(repr(cmath.nan), "nan") + self.assertEqual(repr(cmath.nanj), "nanj") + def test_user_object(self): # Test automatic calling of __complex__ and __float__ by cmath # functions |