public void DecrementIfGreaterThan_ShouldDoNothingIfTheConditionFailes()
{
int value = 0;
Assert.That(InterlockedExtensions.DecrementIfGreaterThan(ref value, 0) is null);
Assert.That(value, Is.EqualTo(0));
}
public void DecrementIfGreaterThan_ShouldWorkParallelly()
{
int value = 5000;
Task[] tasks = Enumerable
.Repeat(0, 5)
.Select(_ => Task.Run(Decrement))
.ToArray();
Assert.DoesNotThrowAsync(() => Task.WhenAll(tasks));
Assert.That(value, Is.EqualTo(0));
void Decrement()
{
for (int i = 0; i < 1000; i++)
{
InterlockedExtensions.DecrementIfGreaterThan(ref value, -1);
}
}
}