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94 lines
2.9 KiB
94 lines
2.9 KiB
/*
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* Copyright (c) 2005 Adrian Page <adrian@pagenet.plus.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; 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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#include <tdeunittest/runner.h>
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#include <tdeunittest/module.h>
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#include "kis_integer_maths_tester.h"
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#include "kis_integer_maths.h"
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using namespace KUnitTest;
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KUNITTEST_MODULE(tdeunittest_kis_integer_maths_tester, "Integer Maths Tester");
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KUNITTEST_MODULE_REGISTER_TESTER(KisIntegerMathsTester);
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void KisIntegerMathsTester::allTests()
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{
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UINT8Tests();
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UINT16Tests();
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conversionTests();
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}
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void KisIntegerMathsTester::UINT8Tests()
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{
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CHECK((int)UINT8_MULT(0, 255), 0);
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CHECK((int)UINT8_MULT(255, 255), 255);
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CHECK((int)UINT8_MULT(128, 255), 128);
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CHECK((int)UINT8_MULT(255, 128), 128);
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CHECK((int)UINT8_MULT(1, 255), 1);
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CHECK((int)UINT8_MULT(1, 127), 0);
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CHECK((int)UINT8_MULT(64, 128), 32);
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CHECK((int)UINT8_DIVIDE(255, 255), 255);
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CHECK((int)UINT8_DIVIDE(64, 128), 128);
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CHECK((int)UINT8_DIVIDE(1, 64), 4);
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CHECK((int)UINT8_DIVIDE(0, 1), 0);
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CHECK((int)UINT8_BLEND(255, 0, 0), 0);
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CHECK((int)UINT8_BLEND(255, 0, 128), 128);
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CHECK((int)UINT8_BLEND(255, 128, 128), 192);
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CHECK((int)UINT8_BLEND(128, 64, 255), 128);
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}
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void KisIntegerMathsTester::UINT16Tests()
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{
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CHECK((int)UINT16_MULT(0, 65535), 0);
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CHECK((int)UINT16_MULT(65535, 65535), 65535);
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CHECK((int)UINT16_MULT(32768, 65535), 32768);
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CHECK((int)UINT16_MULT(65535, 32768), 32768);
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CHECK((int)UINT16_MULT(1, 65535), 1);
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CHECK((int)UINT16_MULT(1, 32767), 0);
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CHECK((int)UINT16_MULT(16384, 32768), 8192);
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CHECK((int)UINT16_DIVIDE(65535, 65535), 65535);
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CHECK((int)UINT16_DIVIDE(16384, 32768), 32768);
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CHECK((int)UINT16_DIVIDE(1, 16384), 4);
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CHECK((int)UINT16_DIVIDE(0, 1), 0);
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CHECK((int)UINT16_BLEND(65535, 0, 0), 0);
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CHECK((int)UINT16_BLEND(65535, 0, 32768), 32768);
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CHECK((int)UINT16_BLEND(65535, 32768, 32768), 49152);
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CHECK((int)UINT16_BLEND(32768, 16384, 65535), 32768);
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}
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void KisIntegerMathsTester::conversionTests()
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{
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CHECK((int)UINT8_TO_UINT16(255), 65535);
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CHECK((int)UINT8_TO_UINT16(0), 0);
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CHECK((int)UINT8_TO_UINT16(128), 128 * 257);
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CHECK((int)UINT16_TO_UINT8(65535), 255);
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CHECK((int)UINT16_TO_UINT8(0), 0);
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CHECK((int)UINT16_TO_UINT8(128 * 257), 128);
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}
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