TEST() [43/59]

SpicesTest::TEST	(	Semaphore_test	,
		Wait	)

Testing Spices::Semaphore::Wait.

Definition at line 63 of file Semaphore_test.h.

                               {
 
        SPICESTEST_PROFILE_FUNCTION();
 
        Spices::semaphore sem;
 
        const auto t0 = std::chrono::high_resolution_clock::now();
 
        std::thread t([&]() {
            std::this_thread::sleep_for(std::chrono::seconds(1));
            sem.Sign(1);
        });
 
        t.detach();
 
        // Should not block here.
        {
            sem.Wait(0);
 
            const auto time = std::chrono::high_resolution_clock::now();
            const float period = std::chrono::duration<float, std::chrono::milliseconds::period>(time - t0).count();
 
            EXPECT_LE(period, 50);
        }
 
        // Should block here.
        {
            sem.Wait(1);
 
            const auto time = std::chrono::high_resolution_clock::now();
            const float period = std::chrono::duration<float, std::chrono::milliseconds::period>(time - t0).count();
 
            EXPECT_LE(period, 1050);
            EXPECT_GE(period, 950);
        }
    }

References Spices::semaphore::Sign(), and Spices::semaphore::Wait().