public void TestChainedCancel()
        {
            PseudoCancellableChainCommand cmd1 = new PseudoCancellableChainCommand();
            PseudoCancellableChainCommand cmd2 = new PseudoCancellableChainCommand();
            PseudoCancellableChainCommand cmd3 = new PseudoCancellableChainCommand();

            cmd1.Chain(cmd2).Chain(cmd3);
            cmd1.Cancel();

            Check.That(cmd3.Counter).IsEqualTo(-1);
        }
        public void TestClear()
        {
            bool onCancelFlag = false;
            bool onExecuteFlag = false;
            PseudoCancellableChainCommand cmd = new PseudoCancellableChainCommand();
            cmd.OnCancel(delegate () {
                onCancelFlag = true;
            });

            cmd.OnExecuteDone(delegate () {
                onExecuteFlag = true;
            });


            cmd.Clear();
            cmd.Execute();
            cmd.Cancel();
            Check.That(onExecuteFlag).IsFalse();
            Check.That(onCancelFlag).IsFalse();
        }