test/test_mixramp: add test with "invalid" return value

375c88b1 · Max Kellermann · a65f6374 · 375c88b1
Commit 375c88b1 authored Oct 30, 2013 by Max Kellermann
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test_mixramp.cxx test/test_mixramp.cxx +4 -0

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--- a/test/test_mixramp.cxx
+++ b/test/test_mixramp.cxx
@@ -45,6 +45,10 @@ public:
 		free(foo);

 		foo = strdup(input);
+		CPPUNIT_ASSERT(std::isnan(mixramp_interpolate(foo, 6.1)));
+		free(foo);
+
+		foo = strdup(input);
 		CPPUNIT_ASSERT_DOUBLES_EQUAL(float(0.05),
 					     mixramp_interpolate(foo, 2),
 					     0.05);