58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
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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 3 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.
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* See the 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, see http://gnu.org/licenses
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*/
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/*
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Unit tests for math functions.
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*/
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#include "math/func.h"
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#include <gtest/gtest.h>
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TEST(IsPowerOfTwo, TestDifferentValues)
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{
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EXPECT_FALSE(Math::IsPowerOfTwo(0));
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EXPECT_TRUE(Math::IsPowerOfTwo(1));
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EXPECT_TRUE(Math::IsPowerOfTwo(2));
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EXPECT_FALSE(Math::IsPowerOfTwo(3));
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EXPECT_TRUE(Math::IsPowerOfTwo(4));
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EXPECT_FALSE(Math::IsPowerOfTwo(31));
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EXPECT_TRUE(Math::IsPowerOfTwo(32));
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EXPECT_FALSE(Math::IsPowerOfTwo(33));
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EXPECT_FALSE(Math::IsPowerOfTwo(1234));
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}
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TEST(NextPowerOfTwo, TestDifferentValues)
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{
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EXPECT_EQ(2, Math::NextPowerOfTwo(2));
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EXPECT_EQ(4, Math::NextPowerOfTwo(3));
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EXPECT_EQ(4, Math::NextPowerOfTwo(4));
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EXPECT_EQ(8, Math::NextPowerOfTwo(5));
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EXPECT_EQ(8, Math::NextPowerOfTwo(7));
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EXPECT_EQ(8, Math::NextPowerOfTwo(8));
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EXPECT_EQ(16, Math::NextPowerOfTwo(9));
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EXPECT_EQ(32, Math::NextPowerOfTwo(31));
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EXPECT_EQ(32, Math::NextPowerOfTwo(32));
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EXPECT_EQ(64, Math::NextPowerOfTwo(33));
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}
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