//[Theory, AutoData]
public void Compare_ShouldReturnCorrectValue(
Generator <int> generator)
{
//arrange
var firstActionTime = generator.First(i => i >= 50 && i <= 100);
var secondActionTime = generator.First(i => i >= 50 && i <= 100);
//act
var actual = PerformanceTime.Compare(() => Thread.Sleep(firstActionTime), () => Thread.Sleep(secondActionTime));
//assert
actual.Item1.Milliseconds.Should().BeInRange(firstActionTime, firstActionTime + 5);
actual.Item2.Milliseconds.Should().BeInRange(secondActionTime, secondActionTime + 5);
}
//[Theory, AutoData]
public async Task CompareAsync_ShouldReturnCorrectValue(
Generator <int> generator)
{
//arrange
var firstActionTime = generator.First(i => i >= 50 && i <= 100);
var secondActionTime = generator.First(i => i >= 50 && i <= 100);
//act
var actual = await PerformanceTime.Compare(() => Task.Delay(firstActionTime), () => Task.Delay(secondActionTime));
//assert
actual.Item1.Milliseconds.Should().BeInRange(firstActionTime, firstActionTime + 20);
actual.Item2.Milliseconds.Should().BeInRange(secondActionTime, secondActionTime + 20);
}
public void ResolveViewModel_WhenCalled2Times_ShouldBeFasterTheSecondTime(
[Frozen] Mock <IViewModelFactory> viewModelFactory,
CreateCommandsAndOvvmViewModelFactory sut,
object request,
Mock <ViewModelWithCommands> expected)
{
//arrange
viewModelFactory.Setup(v => v.ResolveViewModel(request)).Returns(expected.Object);
//act
var firstCallTime = PerformanceTime.Measure(() => sut.ResolveViewModel(request)).DebugWriteline("First call : {0}");
var secondCallTime = PerformanceTime.Measure(() => sut.ResolveViewModel(request)).DebugWriteline("Second call : {0}");
//assert
secondCallTime.Should().BeLessThan(firstCallTime);
}
