62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
#include <gtest/gtest.h>
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#include <web_server/src/detail/Gallery_Frame_Clock.hpp>
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#include <chrono>
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#include <condition_variable>
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#include <exception>
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#include <mutex>
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#include <thread>
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#include <vector>
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namespace aethera::web::detail {
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TEST(Gallery_Frame_Clock, Produces_One_Monotonic_Absolute_Timeline) {
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std::mutex mutex;
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std::condition_variable condition;
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std::vector<Plot_Render_Tick> ticks;
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std::exception_ptr failure;
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{
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Gallery_Frame_Clock clock(
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100.0,
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[&](Plot_Render_Tick tick) {
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std::lock_guard lock(mutex);
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ticks.push_back(tick);
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condition.notify_all();
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},
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[&](std::exception_ptr value) {
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std::lock_guard lock(mutex);
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failure = std::move(value);
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condition.notify_all();
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});
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clock.start();
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clock.start();
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{
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std::unique_lock lock(mutex);
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ASSERT_TRUE(condition.wait_for(lock, std::chrono::seconds(2), [&] {
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return ticks.size() >= 8 || failure;
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}));
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ASSERT_FALSE(failure);
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ASSERT_GE(ticks.size(), 8U);
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for (std::size_t index = 1; index < ticks.size(); ++index) {
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EXPECT_GT(ticks[index].sequence, ticks[index - 1].sequence);
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EXPECT_GT(ticks[index].time_milliseconds,
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ticks[index - 1].time_milliseconds);
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}
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EXPECT_NEAR(ticks.front().time_milliseconds,
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static_cast<double>(ticks.front().sequence) * 10.0,
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0.001);
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}
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clock.stop();
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std::this_thread::sleep_for(std::chrono::milliseconds(30));
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std::size_t stopped_count{};
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{
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std::lock_guard lock(mutex);
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stopped_count = ticks.size();
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(30));
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{
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std::lock_guard lock(mutex);
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EXPECT_EQ(ticks.size(), stopped_count);
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}
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}
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}
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}
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