commit 04c96d52a4be897792e3ad5c6ad77775aaa18d4b
author Raymond Hettinger <python@rcn.com> Fri Feb 01 21:30:23 2008 +0000
committer Raymond Hettinger <python@rcn.com> Fri Feb 01 21:30:23 2008 +0000
tree 5c0dd980c91bd104710145d33fbb1d799fe42453
parent a51f61b5554e8620c1ae637f6af747811f136c54

Issue #1996: float.as_integer_ratio() should return fraction in lowest terms.

Lib/test/test_builtin.py

diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 59a9dcd..2f2634d 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -689,6 +689,14 @@
         self.assertRaises(TypeError, float, Foo4(42))
 
     def test_floatasratio(self):
+        for f, ratio in [
+                (0.875, (7, 8)),
+                (-0.875, (-7, 8)),
+                (0.0, (0, 1)),
+                (11.5, (23, 2)),
+            ]:
+            self.assertEqual(f.as_integer_ratio(), ratio)
+
         R = rational.Rational
         self.assertEqual(R(0, 1),
                          R(*float(0.0).as_integer_ratio()))