Patch #2735283: GSOC09: A few unit tests for Common::Rect

svn-id: r39907

1 files changed, 48 insertions, 0 deletions

diff --git a/test/common/rect.h b/test/common/rect.h
new file mode 100644
index 0000000000..07353f7aea
--- /dev/null
+++ b/test/common/rect.h
@@ -0,0 +1,48 @@
+#include <cxxtest/TestSuite.h>
+
+#include "common/rect.h"
+
+class RectTestSuite : public CxxTest::TestSuite
+{
+	public:
+	void test_point_sqrDist( void )
+	{
+		Common::Point p0;
+		Common::Point p11(1, 1);
+		Common::Point p21(2, 1);
+		Common::Point p23(2, 3);
+		Common::Point p32(3, 2);
+		TS_ASSERT_EQUALS( p0.sqrDist(p11), (uint) 2 );
+		TS_ASSERT_EQUALS( p0.sqrDist(p21), (uint) 5 );
+		TS_ASSERT_EQUALS( p0.sqrDist(p23), p0.sqrDist(p32) );
+		TS_ASSERT_EQUALS( p11.sqrDist(p11), (uint) 0 );
+		TS_ASSERT_EQUALS( p11.sqrDist(p23), (uint) 5 );
+	}
+
+	void test_intersects( void )
+	{
+		TS_ASSERT( Common::Rect(0, 0, 2, 2).intersects(Common::Rect(0, 0, 1, 1)) );
+		TS_ASSERT( Common::Rect(0, 0, 2, 2).intersects(Common::Rect(1, 1, 2, 2)) );
+		TS_ASSERT( !Common::Rect(0, 0, 1, 1).intersects(Common::Rect(1, 1, 2, 2)) );
+	}
+
+	void test_extend( void )
+	{
+		Common::Rect r0;
+		Common::Rect r1(0, 0, 1, 1);
+		Common::Rect r2(0, 0, 2, 2);
+		TS_ASSERT( !r0.contains(r1) );
+		r0.extend(r1);
+//		TS_ASSERT( r0.contains(r1) );
+		TS_ASSERT_EQUALS(r0.top,    0);
+		TS_ASSERT_EQUALS(r0.left,   0);
+		TS_ASSERT_EQUALS(r0.bottom, 1);
+		TS_ASSERT_EQUALS(r0.right,  1);
+		r2.extend(r1);
+		TS_ASSERT_EQUALS(r2.top,    0);
+		TS_ASSERT_EQUALS(r2.left,   0);
+		TS_ASSERT_EQUALS(r2.bottom, 2);
+		TS_ASSERT_EQUALS(r2.right,  2);
+	}
+
+};