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2026-07-13 12:47:42 +08:00

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// Copyright 2025-present the zvec project
//
// 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 <chrono>
#include <iostream>
#include <memory>
#include <gtest/gtest.h>
#include <zvec/ailego/parallel/thread_queue.h>
#include <zvec/ailego/utility/time_helper.h>
using namespace zvec;
using namespace zvec::ailego;
TEST(ThreadQueue, General) {
ThreadQueue queue;
std::this_thread::sleep_for(
std::chrono::microseconds(std::rand() % 1000 + 1));
queue.wake();
int count = 0;
for (int i = 0; i < 1000; ++i) {
queue[0].execute([&count, i]() {
EXPECT_EQ(i, count);
++count;
// std::cout << count << std::endl;
});
}
std::this_thread::sleep_for(std::chrono::microseconds(20000));
EXPECT_EQ(1000, count);
queue.stop();
queue.wait_stop();
}
TEST(ThreadQueue, MutliThread) {
ThreadQueue queue;
std::this_thread::sleep_for(
std::chrono::microseconds(std::rand() % 1000 + 1));
queue.wake();
std::atomic_uint count{0};
for (int i = 0; i < 10000; ++i) {
queue.execute(std::rand(), [&count]() {
++count;
// std::cout << count << std::endl;
});
}
std::this_thread::sleep_for(std::chrono::microseconds(20000));
EXPECT_EQ(10000u, count);
queue.stop();
queue.wait_stop();
}
TEST(ThreadQueue, MultiThreadWithHighPriority) {
// TODO(windows): add it back
GTEST_SKIP();
ThreadQueue queue;
std::this_thread::sleep_for(
std::chrono::microseconds(std::rand() % 1000 + 1));
queue.wake();
std::atomic_uint count{0};
std::atomic_uint high_priority_count{0};
ailego::ElapsedTime timer;
uint64_t task_time;
uint64_t high_priority_task_time;
// Enqueue normal tasks
for (int i = 0; i < 1000; ++i) {
queue.execute(std::rand(), [&count, &timer, &task_time]() {
++count;
std::this_thread::sleep_for(std::chrono::microseconds(100));
if (count == 1000) {
task_time = timer.milli_seconds();
}
});
}
// Enqueue high-priority tasks
for (int i = 0; i < 1000; ++i) {
queue.execute_high_priority(std::rand(), [&high_priority_count, &timer,
&high_priority_task_time]() {
++high_priority_count;
std::this_thread::sleep_for(std::chrono::microseconds(500));
if (high_priority_count == 1000) {
high_priority_task_time = timer.milli_seconds();
}
});
}
// Wait for all tasks to complete
std::this_thread::sleep_for(std::chrono::seconds(3));
EXPECT_EQ(count, 1000);
EXPECT_EQ(high_priority_count, 1000);
// Verify that all high-priority tasks are completed first
EXPECT_GT(task_time, high_priority_task_time);
std::cout << "task time: " << task_time
<< ", high priority task time: " << high_priority_task_time
<< std::endl;
queue.stop();
queue.wait_stop();
}