blob: 6493801e30bdbcaef45f5e9eb8be7aff213b553a [file] [log] [blame]
/* $Id$
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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.
*/
TEST(AtomicOperation, Add_Overflow_X86_32) {
capu::uint32_t val = 4294967295u;
capu::uint32_t ret = capu::AtomicOperation::AtomicAdd32(val, 3);
EXPECT_EQ(2u, val);
EXPECT_EQ(4294967295u, ret);
}
TEST(AtomicOperation, Sub_Overflow_X86_32) {
capu::uint32_t val = 0;
capu::uint32_t ret = capu::AtomicOperation::AtomicSub32(val, 5);
EXPECT_EQ(4294967291u, val);
EXPECT_EQ(0u, ret);
}