[Scipy-svn] r6637 - trunk/scipy/stats/tests

[scipy-svn at scipy.org]

Author: warren.weckesser
Date: 2010-07-24 20:03:10 -0500 (Sat, 24 Jul 2010)
New Revision: 6637

Modified:
   trunk/scipy/stats/tests/test_stats.py
Log:
Add a couple simple tests for stats.f_oneway.

Modified: trunk/scipy/stats/tests/test_stats.py
===================================================================
--- trunk/scipy/stats/tests/test_stats.py	2010-07-24 06:35:11 UTC (rev 6636)
+++ trunk/scipy/stats/tests/test_stats.py	2010-07-25 01:03:10 UTC (rev 6637)
@@ -4,6 +4,7 @@
     BASED ON WILKINSON'S STATISTICS QUIZ
     http://www.stanford.edu/~clint/bench/wilk.txt
 
+    Additional tests by a host of SciPy developers.
 """
 
 from numpy.testing import TestCase, rand, assert_, assert_equal, \
@@ -1748,5 +1749,19 @@
         assert_equal(c, np.linspace(9.5,10.5,11))
 
 
+class TestFOneWay(TestCase):
+
+    def test_trivial(self):
+        """A trivial test of stats.f_oneway, with F=0."""
+        F, p = stats.f_oneway([0,2], [0,2])
+        assert_equal(F, 0.0)
+
+    def test_basic(self):
+        """A test of stats.f_oneway, with F=2."""
+        F, p = stats.f_oneway([0,2], [2,4])
+        # Despite being a floating point calculation, this data should
+        # result in F being exactly 2.0.
+        assert_equal(F, 2.0)
+
 if __name__ == "__main__":
     run_module_suite()