| /* $Id$ |
| * |
| * 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); |
| } |