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/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
/*
Unit tests for math functions.
*/
#include "math/func.h"
#include <gtest/gtest.h>
TEST(IsPowerOfTwo, TestDifferentValues)
{
EXPECT_FALSE(Math::IsPowerOfTwo(0));
EXPECT_TRUE(Math::IsPowerOfTwo(1));
EXPECT_TRUE(Math::IsPowerOfTwo(2));
EXPECT_FALSE(Math::IsPowerOfTwo(3));
EXPECT_TRUE(Math::IsPowerOfTwo(4));
EXPECT_FALSE(Math::IsPowerOfTwo(31));
EXPECT_TRUE(Math::IsPowerOfTwo(32));
EXPECT_FALSE(Math::IsPowerOfTwo(33));
EXPECT_FALSE(Math::IsPowerOfTwo(1234));
}
TEST(NextPowerOfTwo, TestDifferentValues)
{
EXPECT_EQ(2, Math::NextPowerOfTwo(2));
EXPECT_EQ(4, Math::NextPowerOfTwo(3));
EXPECT_EQ(4, Math::NextPowerOfTwo(4));
EXPECT_EQ(8, Math::NextPowerOfTwo(5));
EXPECT_EQ(8, Math::NextPowerOfTwo(7));
EXPECT_EQ(8, Math::NextPowerOfTwo(8));
EXPECT_EQ(16, Math::NextPowerOfTwo(9));
EXPECT_EQ(32, Math::NextPowerOfTwo(31));
EXPECT_EQ(32, Math::NextPowerOfTwo(32));
EXPECT_EQ(64, Math::NextPowerOfTwo(33));
}
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