public void TestCustomCommand_Detach()
{
var fact = Substitute.For <CustomCommandFactory>();
var receiver = Substitute.For <ICustomReceiver>();
var validator = Substitute.For <ICustomValidator>();
validator.IsValidArgument(receiver).Returns <bool>(true);
CustomCommand cmd = fact.Create(receiver, validator) as CustomCommand;
Assert.IsNotNull(cmd);
Assert.IsNotNull(cmd.Receiver);
Assert.AreSame(receiver, cmd.Receiver);
Assert.IsNotNull(cmd.Validator);
Assert.AreSame(validator, cmd.Validator);
cmd.Dettach();
Assert.IsNotNull(cmd);
Assert.IsNull(cmd.Receiver);
Assert.IsNull(cmd.Validator);
}