82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/**
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* @file modularmath_tut.cpp
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* @author babbage
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* @date 2008-09
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* @brief llcircuit tests
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*
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* $LicenseInfo:firstyear=2007&license=viewergpl$
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*
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* Copyright (c) 2007-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include <tut/tut.hpp>
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#include "linden_common.h"
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#include "lltut.h"
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#include "llmodularmath.h"
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namespace tut
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{
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struct modularmath_data
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{
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};
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typedef test_group<modularmath_data> modularmath_test;
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typedef modularmath_test::object modularmath_object;
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tut::modularmath_test modularmath_testcase("modularmath");
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template<> template<>
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void modularmath_object::test<1>()
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{
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// lhs < rhs
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const U32 lhs = 0x000001;
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const U32 rhs = 0xFFFFFF;
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const U32 width = 24;
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U32 result = LLModularMath::subtract<width>(lhs, rhs);
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ensure_equals("diff(0x000001, 0xFFFFFF, 24)", result, 2);
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}
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template<> template<>
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void modularmath_object::test<2>()
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{
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// lhs > rhs
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const U32 lhs = 0x000002;
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const U32 rhs = 0x000001;
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const U32 width = 24;
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U32 result = LLModularMath::subtract<width>(lhs, rhs);
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ensure_equals("diff(0x000002, 0x000001, 24)", result, 1);
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}
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template<> template<>
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void modularmath_object::test<3>()
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{
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// lhs == rhs
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const U32 lhs = 0xABCDEF;
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const U32 rhs = 0xABCDEF;
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const U32 width = 24;
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U32 result = LLModularMath::subtract<width>(lhs, rhs);
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ensure_equals("diff(0xABCDEF, 0xABCDEF, 24)", result, 0);
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}
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}
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