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Diffstat (limited to 'Lib/test/test_cmath.py')
| -rw-r--r-- | Lib/test/test_cmath.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_cmath.py b/Lib/test/test_cmath.py index e6c80d2a1d..a589f8db7e 100644 --- a/Lib/test/test_cmath.py +++ b/Lib/test/test_cmath.py @@ -442,6 +442,15 @@ class CMathTests(unittest.TestCase): self.assertCEqual(rect(1, pi/2), (0, 1.)) self.assertCEqual(rect(1, -pi/2), (0, -1.)) + def test_isfinite(self): + real_vals = [float('-inf'), -2.3, -0.0, + 0.0, 2.3, float('inf'), float('nan')] + for x in real_vals: + for y in real_vals: + z = complex(x, y) + self.assertEquals(cmath.isfinite(z), + math.isfinite(x) and math.isfinite(y)) + def test_isnan(self): self.assertFalse(cmath.isnan(1)) self.assertFalse(cmath.isnan(1j)) |