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// * This file is part of the COLOBOT source code
// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
// *
// * 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://www.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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