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authorMark Dickinson <dickinsm@gmail.com>2010-07-11 17:38:24 (GMT)
committerMark Dickinson <dickinsm@gmail.com>2010-07-11 17:38:24 (GMT)
commit8e0c9968731ac7f1d94bddff348544c70833b52b (patch)
treeaf0d4866d6dbae9e9b9003435956c6f2f7141dea /Lib/test/test_cmath.py
parent3e7428995f9d09493640326104c70a26c7cdab07 (diff)
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Issue #9165: Add math.isfinite and cmath.isfinite.
Diffstat (limited to 'Lib/test/test_cmath.py')
-rw-r--r--Lib/test/test_cmath.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_cmath.py b/Lib/test/test_cmath.py
index e6c80d2..a589f8d 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))