commit 8e0c9968731ac7f1d94bddff348544c70833b52b
author Mark Dickinson <dickinsm@gmail.com> Sun Jul 11 17:38:24 2010 +0000
committer Mark Dickinson <dickinsm@gmail.com> Sun Jul 11 17:38:24 2010 +0000
tree af0d4866d6dbae9e9b9003435956c6f2f7141dea
parent 3e7428995f9d09493640326104c70a26c7cdab07

Issue #9165: Add math.isfinite and cmath.isfinite.

Lib/test/test_math.py

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 @@
         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.))