1 files changed, 18 insertions, 0 deletions
diff --git a/test/common/math.h b/test/common/math.h
new file mode 100644
index 0000000000..5da0410e8e
--- /dev/null
+++ b/test/common/math.h
@@ -0,0 +1,18 @@
+#include <cxxtest/TestSuite.h>
+
+#include "common/math.h"
+
+class MathTestSuite : public CxxTest::TestSuite
+{
+	public:
+	void test_intLog2() {
+		// Test special case for 0
+		TS_ASSERT_EQUALS(Common::intLog2(0), -1);
+
+		// intLog2 should round the result towards 0
+		TS_ASSERT_EQUALS(Common::intLog2(7), 2);
+
+		// Some simple test for 2^10
+		TS_ASSERT_EQUALS(Common::intLog2(1024), 10);
+	}
+};