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/*
* Copyright (C) 2005-2013 Team XBMC
* http://www.xbmc.org
*
* 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 2, 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 XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "utils/MathUtils.h"
#include "gtest/gtest.h"
TEST(TestMathUtils, round_int)
{
int refval, varval, i;
for (i = -8; i < 8; ++i)
{
double d = 0.25*i;
refval = (i < 0) ? (i - 1) / 4 : (i + 2) / 4;
varval = MathUtils::round_int(d);
EXPECT_EQ(refval, varval);
}
}
TEST(TestMathUtils, truncate_int)
{
int refval, varval, i;
for (i = -8; i < 8; ++i)
{
double d = 0.25*i;
refval = i / 4;
varval = MathUtils::truncate_int(d);
EXPECT_EQ(refval, varval);
}
}
TEST(TestMathUtils, abs)
{
int64_t refval, varval;
refval = 5;
varval = MathUtils::abs(-5);
EXPECT_EQ(refval, varval);
}
TEST(TestMathUtils, bitcount)
{
unsigned refval, varval;
refval = 10;
varval = MathUtils::bitcount(0x03FF);
EXPECT_EQ(refval, varval);
refval = 8;
varval = MathUtils::bitcount(0x2AD5);
EXPECT_EQ(refval, varval);
}
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