public void UnplugTest()
{
PowerRelated powerRelated = new PowerRelated();
powerGrid.PlugIn(powerRelated);
Assert.AreEqual(1, gridHashSet.Count);
powerGrid.Unplug(powerRelated);
Assert.AreEqual(0, gridHashSet.Count);
}
public void Unplug(PowerRelated powerRelated, PowerGrid powerGrid)
{
if (powerRelated == null)
{
throw new ArgumentNullException("powerRelated");
}
if (powerGrid == null)
{
throw new ArgumentNullException("powerGrid");
}
powerGrid.Unplug(powerRelated);
}