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Diffstat (limited to 'Lib/test/test_math.py')
| -rw-r--r-- | Lib/test/test_math.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py index 12e7f98..90bd363 100644 --- a/Lib/test/test_math.py +++ b/Lib/test/test_math.py @@ -915,6 +915,15 @@ class MathTests(unittest.TestCase): self.assertRaises(TypeError, math.trunc, 1, 2) self.assertRaises(TypeError, math.trunc, TestNoTrunc()) + def testIsfinite(self): + self.assertTrue(math.isfinite(0.0)) + self.assertTrue(math.isfinite(-0.0)) + self.assertTrue(math.isfinite(1.0)) + self.assertTrue(math.isfinite(-1.0)) + self.assertFalse(math.isfinite(float("nan"))) + self.assertFalse(math.isfinite(float("inf"))) + self.assertFalse(math.isfinite(float("-inf"))) + def testIsnan(self): self.assertTrue(math.isnan(float("nan"))) self.assertTrue(math.isnan(float("inf")* 0.)) |