public void HoldInstanceWithNull()
{
// Setup
var lifespan = new CacheLifespan();
// Execute
lifespan.Hold(a_instance: null);
}
public void HoldInstance()
{
// Setup
var lifespan = new CacheLifespan();
var instance = new object();
// Execute
lifespan.Hold(instance);
// Assert
Assert.AreSame(instance, lifespan.Instance);
}
public void KillInstanceWithNoInstanceHeld()
{
// Setup
var lifespan = new CacheLifespan();
var instance = new object();
lifespan.Hold(instance);
// Execute
lifespan.Kill();
// Assert
Assert.IsNull(lifespan.Instance);
}
public async Task WaitPastTimeout()
{
// Setup
var lifespan = new CacheLifespan(TimeSpan.FromMilliseconds(500));
var instance = new object();
lifespan.Hold(instance);
// Execute
await Task.Delay(1000);
// Assert
Assert.IsNull(lifespan.Instance);
}