From 1e0b05ff992665467f762d61947a51407d1f1c41 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Fri, 19 Aug 2011 01:14:09 +0200
Subject: TEST: Add a very tiny and simple unit test for intLog2.

---
 test/common/math.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/common/math.h

(limited to 'test/common')

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);
+	}
+};
-- 
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