| // 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. |
| |
| // Date: 2016/06/03 13:25:44 |
| |
| #include <gtest/gtest.h> |
| #include <bthread/countdown_event.h> |
| #include "butil/atomicops.h" |
| #include "butil/time.h" |
| |
| namespace { |
| struct Arg { |
| bthread::CountdownEvent event; |
| butil::atomic<int> num_sig; |
| }; |
| |
| void *signaler(void *arg) { |
| Arg* a = (Arg*)arg; |
| a->num_sig.fetch_sub(1, butil::memory_order_relaxed); |
| a->event.signal(); |
| return NULL; |
| } |
| |
| TEST(CountdonwEventTest, sanity) { |
| for (int n = 1; n < 10; ++n) { |
| Arg a; |
| a.num_sig = n; |
| a.event.reset(n); |
| for (int i = 0; i < n; ++i) { |
| bthread_t tid; |
| ASSERT_EQ(0, bthread_start_urgent(&tid, NULL, signaler, &a)); |
| } |
| a.event.wait(); |
| ASSERT_EQ(0, a.num_sig.load(butil::memory_order_relaxed)); |
| } |
| } |
| |
| TEST(CountdonwEventTest, timed_wait) { |
| bthread::CountdownEvent event; |
| int rc = event.timed_wait(butil::milliseconds_from_now(100)); |
| ASSERT_EQ(rc, ETIMEDOUT); |
| event.signal(); |
| rc = event.timed_wait(butil::milliseconds_from_now(100)); |
| ASSERT_EQ(rc, 0); |
| bthread::CountdownEvent event1; |
| event1.signal(); |
| rc = event.timed_wait(butil::milliseconds_from_now(1)); |
| ASSERT_EQ(rc, 0); |
| } |
| } // namespace |