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/* Copyright 2012 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mongo/platform/basic.h"
#include <boost/static_assert.hpp>
#include <climits>
#include <iostream>
#include "mongo/base/counter.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST( CounterTest, Test1 ) {
Counter64 c;
ASSERT_EQUALS(c.get(), 0);
c.increment();
ASSERT_EQUALS(c.get(), 1);
c.decrement();
ASSERT_EQUALS(c.get(), 0);
c.decrement(3);
ASSERT_EQUALS(c.get(), -3);
c.increment(1);
ASSERT_EQUALS(c.get(), -2);
c.decrement(-1);
ASSERT_EQUALS(c.get(), -1);
c.increment();
ASSERT_EQUALS(static_cast<long long>(c), 0);
}
} // namespace
} // namespace mongo
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