test/test_mixramp: add threshold to floating point comparisons

Fixes bogus test failures on Debian build machines due to rounding errors (hopefully).

test/test_mixramp: add threshold to floating point comparisons
39257717 · Max Kellermann · b54762a8 · 39257717
Commit 39257717 authored Nov 04, 2013 by Max Kellermann
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Showing with 9 additions and 6 deletions

test_mixramp.cxx test/test_mixramp.cxx +9 -6

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--- a/test/test_mixramp.cxx
+++ b/test/test_mixramp.cxx
@@ -28,18 +28,21 @@ public:
 		free(foo);

 		foo = strdup(input);
-		CPPUNIT_ASSERT_EQUAL(float(0),
-				     mixramp_interpolate(foo, 1));
+		CPPUNIT_ASSERT_DOUBLES_EQUAL(float(0),
+					     mixramp_interpolate(foo, 1),
+					     0.005);
 		free(foo);

 		foo = strdup(input);
-		CPPUNIT_ASSERT_EQUAL(float(0.1),
-				     mixramp_interpolate(foo, 3));
+		CPPUNIT_ASSERT_DOUBLES_EQUAL(float(0.1),
+					     mixramp_interpolate(foo, 3),
+					     0.005);
 		free(foo);

 		foo = strdup(input);
-		CPPUNIT_ASSERT_EQUAL(float(2.5),
-				     mixramp_interpolate(foo, 6));
+		CPPUNIT_ASSERT_DOUBLES_EQUAL(float(2.5),
+					     mixramp_interpolate(foo, 6),
+					     0.01);
 		free(foo);

 		foo = strdup(input);