NazaraEngine/tests/UnitTests/Engine/Core/ClockTest.cpp

68 lines
1.7 KiB
C++

#include <Nazara/Core/Clock.hpp>
#include <catch2/catch_approx.hpp>
#include <catch2/catch_test_macros.hpp>
#include <chrono>
#include <thread>
SCENARIO("Clock", "[CORE][CLOCK]")
{
GIVEN("A clock paused")
{
Nz::Time initialTime = Nz::Time::Microseconds(100);
Nz::HighPrecisionClock clock(initialTime, true);
WHEN("We get time since it is paused")
{
THEN("Time must be the initialTime")
{
CHECK(clock.GetElapsedTime() == initialTime);
CHECK(clock.IsPaused());
}
}
WHEN("We unpause it")
{
clock.Unpause();
REQUIRE(!clock.IsPaused());
THEN("Time must not be the initialTime")
{
std::this_thread::sleep_for(std::chrono::milliseconds(1));
Nz::Time elapsedTime = clock.GetElapsedTime();
Nz::Int64 microseconds = elapsedTime.AsMicroseconds();
CHECK(microseconds != initialTime.AsMicroseconds());
CHECK(microseconds / 1000 <= elapsedTime.AsMilliseconds());
CHECK(microseconds / (1000.f * 1000.f) <= elapsedTime.AsSeconds());
}
}
WHEN("We restart it")
{
clock.Restart();
THEN("It is unpaused and we can pause it")
{
CHECK(!clock.IsPaused());
clock.Pause();
CHECK(clock.IsPaused());
CHECK(clock.GetElapsedTime() != initialTime);
}
}
WHEN("We restart if over")
{
clock.Restart(Nz::Time::Milliseconds(1'500), true);
CHECK(clock.RestartIfOver(Nz::Time::Microseconds(1'000)) == Nz::Time::Milliseconds(1'500));
CHECK(clock.GetElapsedTime() == Nz::Time::Zero());
}
WHEN("We tick it")
{
clock.Restart(Nz::Time::Milliseconds(1'500), true);
CHECK(clock.Tick(Nz::Time::Milliseconds(1'000)));
CHECK(clock.GetElapsedTime() == Nz::Time::Milliseconds(500));
CHECK_FALSE(clock.Tick(Nz::Time::Milliseconds(1'000)));
}
}
}