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// 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.
#include "util/thread.h"
#include <gtest/gtest.h>
#include <sys/types.h>
#include <unistd.h>
#include <ostream>
#include <string>
#include <vector>
#include "common/logging.h"
#include "common/status.h"
#include "gutil/basictypes.h"
#include "gutil/ref_counted.h"
#include "util/countdown_latch.h"
#include "util/runtime_profile.h"
using std::string;
namespace doris {
class ThreadTest : public ::testing::Test {
public:
virtual void SetUp() {}
virtual void TearDown() {}
};
// Join with a thread and emit warnings while waiting to join.
// This has to be manually verified.
TEST_F(ThreadTest, TestJoinAndWarn) {
scoped_refptr<Thread> holder;
Status status =
Thread::create("test", "sleeper thread", SleepFor, MonoDelta::FromSeconds(1), &holder);
ASSERT_TRUE(status.ok());
status = ThreadJoiner(holder.get()).warn_after_ms(10).warn_every_ms(100).join();
ASSERT_TRUE(status.ok());
}
TEST_F(ThreadTest, TestFailedJoin) {
scoped_refptr<Thread> holder;
Status status =
Thread::create("test", "sleeper thread", SleepFor, MonoDelta::FromSeconds(1), &holder);
ASSERT_TRUE(status.ok());
status = ThreadJoiner(holder.get()).give_up_after_ms(50).join();
ASSERT_TRUE(status.is_aborted());
}
static void TryJoinOnSelf() {
Status s = ThreadJoiner(Thread::current_thread()).join();
// Use CHECK instead of ASSERT because gtest isn't thread-safe.
CHECK(s.is_invalid_argument());
}
// Try to join on the thread that is currently running.
TEST_F(ThreadTest, TestJoinOnSelf) {
scoped_refptr<Thread> holder;
ASSERT_TRUE(Thread::create("test", "test", TryJoinOnSelf, &holder).ok());
holder->join();
// Actual assertion is done by the thread spawned above.
}
TEST_F(ThreadTest, TestDoubleJoinIsNoOp) {
scoped_refptr<Thread> holder;
Status status =
Thread::create("test", "sleeper thread", SleepFor, MonoDelta::FromSeconds(0), &holder);
ASSERT_TRUE(status.ok());
ThreadJoiner joiner(holder.get());
status = joiner.join();
ASSERT_TRUE(status.ok());
status = joiner.join();
ASSERT_TRUE(status.ok());
}
TEST_F(ThreadTest, ThreadStartBenchmark) {
std::vector<scoped_refptr<Thread>> threads(1000);
{
int64_t thread_creation_ns = 0;
SCOPED_RAW_TIMER(&thread_creation_ns);
for (auto& t : threads) {
Status status = Thread::create("test", "TestCallOnExit", SleepFor,
MonoDelta::FromSeconds(0), &t);
ASSERT_TRUE(status.ok());
}
std::cout << "create 1000 threads use:" << thread_creation_ns << "ns" << std::endl;
}
{
int64_t thread_publish_tid_ns = 0;
SCOPED_RAW_TIMER(&thread_publish_tid_ns);
for (auto& t : threads) {
t->tid();
}
std::cout << "1000 threads publish TIDS use:" << thread_publish_tid_ns << "ns" << std::endl;
}
for (auto& t : threads) {
t->join();
}
}
} // namespace doris
int main(int argc, char* argv[]) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}