//===========================================================================//
// File:	rect2d.tst                                                          //
// Project: MUNGA           Brick: Math Library                              //
// Contents: Test code for two-dimensional rectangle class                   //
//---------------------------------------------------------------------------//
//   Date    Who  Modification                                               //
// --------  ---  ---------------------------------------------------------- //
//  2/01/94  CPB  Initial coding (copied from vector3d.tst)                  //
//---------------------------------------------------------------------------//
// Copyright (C) 1994-1995, Virtual World Entertainment, Inc.                //
// All Rights reserved worldwide                                             //
// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL               //
//===========================================================================//

//
//###########################################################################
//###########################################################################
//
Logical
	Rectangle2D::TestClass()
{
	DEBUG_STREAM << "Starting Rectangle2D test...\n";

	//
	//-------------------------------------------------------------------
	// Constructors (and IsEmpty())
	//-------------------------------------------------------------------
	//
	{
		Vector2DOf<int>	v1(0,0), v2(1,1);

		Rectangle2D	a;
		Check(&a);
		Test(a.IsEmpty());

		Rectangle2D	b(v1,v2);
		Check(&b);
		Test(!b.IsEmpty());
		Test(b.bottomLeft == v1);
		Test(b.topRight == v2);

		Rectangle2D	c(0,1,2,3);
		Check(&c);
		Test(!c.IsEmpty());
		Test(c.bottomLeft.x == 0);
		Test(c.bottomLeft.y == 1);
		Test(c.topRight.x == 2);
		Test(c.topRight.y == 3);
	}            
	//
	//-------------------------------------------------------------------
	// Union
	//-------------------------------------------------------------------
	//
	{
		Rectangle2D	a;
		Rectangle2D	b(0,0,2,2);
		Rectangle2D	c(1,1,3,3);
		Rectangle2D	d(10,10,11,11);
		Rectangle2D	e(2,3,4,5);

		e.Union(a,a);
		Test(e.IsEmpty());

		e.Union(a,b);
		Test(e.bottomLeft == b.bottomLeft);
		Test(e.topRight == b.topRight);

		e.Union(b,a);
		Test(e.bottomLeft == b.bottomLeft);
		Test(e.topRight == b.topRight);

		e.Union(b,c);
		Test(e.bottomLeft == b.bottomLeft);
		Test(e.topRight == c.topRight);

		e.Union(c,b);
		Test(e.bottomLeft == b.bottomLeft);
		Test(e.topRight == c.topRight);

		e.Union(b,d);
		Test(e.bottomLeft == b.bottomLeft);
		Test(e.topRight == d.topRight);

		e.Union(d,b);
		Test(e.bottomLeft == b.bottomLeft);
		Test(e.topRight == d.topRight);
	}
	//
	//-------------------------------------------------------------------
	// Intersection
	//-------------------------------------------------------------------
	//
	{
		Rectangle2D	a;
		Rectangle2D	b(0,0,2,2);
		Rectangle2D	c(1,1,3,3);
		Rectangle2D	d(10,10,11,11);
		Rectangle2D	e(2,3,4,5);

		e.Intersection(a,a);
		Test(e.IsEmpty());

		e.Intersection(a,b);
		Test(e.IsEmpty());

		e.Intersection(b,a);
		Test(e.IsEmpty());

		e.Intersection(b,c);
		Test(e.bottomLeft == c.bottomLeft);
		Test(e.topRight == b.topRight);

		e.Intersection(c,b);
		Test(e.bottomLeft == c.bottomLeft);
		Test(e.topRight == b.topRight);

		e.Intersection(b,d);
		Test(e.IsEmpty());

		e.Intersection(d,b);
		Test(e.IsEmpty());
	}

	return True;
}