TEST: Add a very tiny and simple unit test for intLog2.

scummvm · Aug 18, 2011 · 1e0b05f · 1e0b05f
1 parent 14c8df7
commit 1e0b05f
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/test/common/math.h b/test/common/math.h
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+#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);
+	}
+};