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/*
* Copyright (C) 2014 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cxxtools/scopedincrement.h"
#include "cxxtools/unit/testsuite.h"
#include "cxxtools/unit/registertest.h"
class ScopedIncrementTest : public cxxtools::unit::TestSuite
{
public:
ScopedIncrementTest()
: cxxtools::unit::TestSuite("scopedincrement")
{
registerMethod("testIncrementInt", *this, &ScopedIncrementTest::testIncrementInt);
registerMethod("testIncrementAtomic", *this, &ScopedIncrementTest::testIncrementAtomic);
}
void testIncrementInt()
{
int value = 7;
{
cxxtools::ScopedIncrement<int> inc(value);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 8);
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
{
cxxtools::ScopedIncrement<int> inc(value, 5);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 12);
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
{
cxxtools::ScopedIncrement<int> dec(value, -9);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, -2);
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
try
{
cxxtools::ScopedIncrement<int> inc(value, 2);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 9);
throw 1;
}
catch (int)
{
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
}
void testIncrementAtomic()
{
typedef std::atomic<int> atomic_t;
atomic_t value(7);
{
cxxtools::ScopedIncrement<atomic_t> inc(value);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 8);
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
{
cxxtools::ScopedIncrement<atomic_t> inc(value, 5);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 12);
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
{
cxxtools::ScopedIncrement<atomic_t> dec(value, -9);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, -2);
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
try
{
cxxtools::ScopedIncrement<atomic_t> inc(value, 2);
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 9);
throw 1;
}
catch (int)
{
}
CXXTOOLS_UNIT_ASSERT_EQUALS(value, 7);
}
};
cxxtools::unit::RegisterTest<ScopedIncrementTest> register_ScopedIncrementTest;
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