77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
/**
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* @file modularmath_test.cpp
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* @author babbage
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* @date 2008-09
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* @brief llmodularmath tests
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*
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* $LicenseInfo:firstyear=2007&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "../llmodularmath.h"
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#include "../test/lltut.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("LLModularMath");
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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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