scummvm/test/common/rect.h

#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_contains( void )
	{
		Common::Rect r0;
		Common::Rect r1(0, 0, 1, 1);
		Common::Rect r2(0, 0, 2, 2);
		TS_ASSERT( !r0.contains(r1) );
		TS_ASSERT( !r0.contains(r2) );
		TS_ASSERT( !r1.contains(r2) );
		TS_ASSERT( r0.contains(r0) );

		TS_ASSERT( r1.contains(r0) );
		TS_ASSERT( r1.contains(r1) );

		TS_ASSERT( r2.contains(r0) );
		TS_ASSERT( r2.contains(r1) );
		TS_ASSERT( r2.contains(r2) );
	}

	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);
	}

};