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/**
 * @file   llbboxlocal_test.cpp
 * @author Martin Reddy
 * @date   2009-06-25
 * @brief  Test for llbboxlocal.cpp.
 * 
 * $LicenseInfo:firstyear=2009&license=viewergpl$
 *
 * Copyright (c) 2009-2009, Linden Research, Inc.
 *
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 *
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 *
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 *
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "linden_common.h"
#include "../test/lltut.h"
#include "../llbboxlocal.h"

namespace tut
{
	struct LLBBoxLocalData
	{
	};

	typedef test_group<LLBBoxLocalData> factory;
	typedef factory::object object;
}

namespace
{
	tut::factory llbboxlocal_test_factory("LLBBoxLocal");
}

namespace tut
{
	template<> template<>
	void object::test<1>()
	{	
		//
		// test the default constructor
		//
		
		LLBBoxLocal bbox1;
		
		ensure_equals("Default bbox min", bbox1.getMin(), LLVector3(0.0f, 0.0f, 0.0f));
		ensure_equals("Default bbox max", bbox1.getMax(), LLVector3(0.0f, 0.0f, 0.0f));
	}

	template<> template<>
	void object::test<2>()
	{	
		//
		// test the non-default constructor
		//
		
		LLBBoxLocal bbox2(LLVector3(-1.0f, -2.0f, 0.0f), LLVector3(1.0f, 2.0f, 3.0f));
		
		ensure_equals("Custom bbox min", bbox2.getMin(), LLVector3(-1.0f, -2.0f, 0.0f));
		ensure_equals("Custom bbox max", bbox2.getMax(), LLVector3(1.0f, 2.0f, 3.0f));		
	}
	
	template<> template<>
	void object::test<3>()
	{	
		//
		// test the setMin()
		//
		// N.B. no validation is currently performed to ensure that the min
		// and max vectors are actually the min/max values.
		//
		
		LLBBoxLocal bbox2;
		bbox2.setMin(LLVector3(1.0f, 2.0f, 3.0f));
		
		ensure_equals("Custom bbox min (2)", bbox2.getMin(), LLVector3(1.0f, 2.0f, 3.0f));
	}
	
	template<> template<>
	void object::test<4>()
	{	
		//
		// test the setMax()
		//
		// N.B. no validation is currently performed to ensure that the min
		// and max vectors are actually the min/max values.
		//
		
		LLBBoxLocal bbox2;
		bbox2.setMax(LLVector3(10.0f, 20.0f, 30.0f));
		
		ensure_equals("Custom bbox max (2)", bbox2.getMax(), LLVector3(10.0f, 20.0f, 30.0f));
	}
	
	template<> template<>
	void object::test<5>()
	{	
		//
		// test the getCenter() method
		//
		
		ensure_equals("Default bbox center", LLBBoxLocal().getCenter(), LLVector3(0.0f, 0.0f, 0.0f));
		
		LLBBoxLocal bbox1(LLVector3(-1.0f, -1.0f, -1.0f), LLVector3(0.0f, 0.0f, 0.0f));
		
		ensure_equals("Custom bbox center", bbox1.getCenter(), LLVector3(-0.5f, -0.5f, -0.5f));
		
		LLBBoxLocal bbox2(LLVector3(0.0f, 0.0f, 0.0f), LLVector3(-1.0f, -1.0f, -1.0f));
		
		ensure_equals("Invalid bbox center", bbox2.getCenter(), LLVector3(-0.5f, -0.5f, -0.5f));
	}

	template<> template<>
	void object::test<6>()
	{	
		//
		// test the getExtent() method
		//
		
		LLBBoxLocal bbox2(LLVector3(0.0f, 0.0f, 0.0f), LLVector3(-1.0f, -1.0f, -1.0f));
		
		ensure_equals("Default bbox extent", LLBBoxLocal().getExtent(), LLVector3(0.0f, 0.0f, 0.0f));
		
		LLBBoxLocal bbox3(LLVector3(-1.0f, -1.0f, -1.0f), LLVector3(1.0f, 2.0f, 0.0f));
		
		ensure_equals("Custom bbox extent", bbox3.getExtent(), LLVector3(2.0f, 3.0f, 1.0f));
	}
	
	template<> template<>
	void object::test<7>()
	{
		//
		// test the addPoint() method
		//
		// N.B. if you create an empty bbox and then add points,
		// the vector (0, 0, 0) will always be part of the bbox.
		// (Fixing this would require adding a bool to the class size).
		//
		
		LLBBoxLocal bbox1;
		bbox1.addPoint(LLVector3(-1.0f, -2.0f, -3.0f));
		bbox1.addPoint(LLVector3(3.0f, 4.0f, 5.0f));
		
		ensure_equals("Custom BBox center (1)", bbox1.getCenter(), LLVector3(1.0f, 1.0f, 1.0f));
		ensure_equals("Custom BBox min (1)", bbox1.getMin(), LLVector3(-1.0f, -2.0f, -3.0f));
		ensure_equals("Custom BBox max (1)", bbox1.getMax(), LLVector3(3.0f, 4.0f, 5.0f));
		
		bbox1.addPoint(LLVector3(0.0f, 0.0f, 0.0f));
		bbox1.addPoint(LLVector3(1.0f, 2.0f, 3.0f));
		bbox1.addPoint(LLVector3(2.0f, 2.0f, 2.0f));
		
		ensure_equals("Custom BBox center (2)", bbox1.getCenter(), LLVector3(1.0f, 1.0f, 1.0f));
		ensure_equals("Custom BBox min (2)", bbox1.getMin(), LLVector3(-1.0f, -2.0f, -3.0f));
		ensure_equals("Custom BBox max (2)", bbox1.getMax(), LLVector3(3.0f, 4.0f, 5.0f));
		
		bbox1.addPoint(LLVector3(5.0f, 5.0f, 5.0f));
		
		ensure_equals("Custom BBox center (3)", bbox1.getCenter(), LLVector3(2.0f, 1.5f, 1.0f));
		ensure_equals("Custom BBox min (3)", bbox1.getMin(), LLVector3(-1.0f, -2.0f, -3.0f));
		ensure_equals("Custom BBox max (3)", bbox1.getMax(), LLVector3(5.0f, 5.0f, 5.0f));
	}
		
	template<> template<>
	void object::test<8>()
	{
		//
		// test the addBBox() methods
		//
		// N.B. if you create an empty bbox and then add points,
		// the vector (0, 0, 0) will always be part of the bbox.
		// (Fixing this would require adding a bool to the class size).
		//
		
		LLBBoxLocal bbox2(LLVector3(1.0f, 1.0f, 1.0f), LLVector3(2.0f, 2.0f, 2.0f));
		bbox2.addBBox(LLBBoxLocal(LLVector3(1.5f, 1.5f, 1.5f), LLVector3(3.0f, 3.0f, 3.0f)));
		
		ensure_equals("Custom BBox center (4)", bbox2.getCenter(), LLVector3(2.0f, 2.0f, 2.0f));
		ensure_equals("Custom BBox min (4)", bbox2.getMin(), LLVector3(1.0f, 1.0f, 1.0f));
		ensure_equals("Custom BBox max (4)", bbox2.getMax(), LLVector3(3.0f, 3.0f, 3.0f));
		
		bbox2.addBBox(LLBBoxLocal(LLVector3(-1.0f, -1.0f, -1.0f), LLVector3(0.0f, 0.0f, 0.0f)));
		
		ensure_equals("Custom BBox center (5)", bbox2.getCenter(), LLVector3(1.0f, 1.0f, 1.0f));
		ensure_equals("Custom BBox min (5)", bbox2.getMin(), LLVector3(-1.0f, -1.0f, -1.0f));
		ensure_equals("Custom BBox max (5)", bbox2.getMax(), LLVector3(3.0f, 3.0f, 3.0f));
	}
	
	template<> template<>
	void object::test<9>()
	{
		//
		// test the expand() method
		//
		
		LLBBoxLocal bbox1;
		bbox1.expand(0.0f);

		ensure_equals("Zero-expanded Default BBox center", bbox1.getCenter(), LLVector3(0.0f, 0.0f, 0.0f));

		LLBBoxLocal bbox2(LLVector3(1.0f, 2.0f, 3.0f), LLVector3(3.0f, 4.0f, 5.0f));
		bbox2.expand(0.0f);
		
		ensure_equals("Zero-expanded BBox center", bbox2.getCenter(), LLVector3(2.0f, 3.0f, 4.0f));
		ensure_equals("Zero-expanded BBox min", bbox2.getMin(), LLVector3(1.0f, 2.0f, 3.0f));
		ensure_equals("Zero-expanded BBox max", bbox2.getMax(), LLVector3(3.0f, 4.0f, 5.0f));

		bbox2.expand(0.5f);

		ensure_equals("Positive-expanded BBox center", bbox2.getCenter(), LLVector3(2.0f, 3.0f, 4.0f));
		ensure_equals("Positive-expanded BBox min", bbox2.getMin(), LLVector3(0.5f, 1.5f, 2.5f));
		ensure_equals("Positive-expanded BBox max", bbox2.getMax(), LLVector3(3.5f, 4.5f, 5.5f));

		bbox2.expand(-1.0f);
		
		ensure_equals("Negative-expanded BBox center", bbox2.getCenter(), LLVector3(2.0f, 3.0f, 4.0f));
		ensure_equals("Negative-expanded BBox min", bbox2.getMin(), LLVector3(1.5f, 2.5f, 3.5f));
		ensure_equals("Negative-expanded BBox max", bbox2.getMax(), LLVector3(2.5f, 3.5f, 4.5f));		
	}
}