NSubstitute完全手册（十）清理已收到的调用

 1     public interface ICommand
 2     {
 3       void Execute();
 4     }
 5 
 6     public class OnceOffCommandRunner
 7     {
 8       ICommand command;
 9       public OnceOffCommandRunner(ICommand command)
10       {
11         this.command = command;
12       }
13       public void Run()
14       {
15         if (command == null) return;
16         command.Execute();
17         command = null;
18       }
19     }

 1     [TestMethod]
 2     public void Test_ClearReceivedCalls_ForgetPreviousCalls()
 3     {
 4       var command = Substitute.For<ICommand>();
 5       var runner = new OnceOffCommandRunner(command);
 6 
 7       // 第一次运行
 8       runner.Run();
 9       command.Received().Execute();
10 
11       // 忘记前面对command的调用
12       command.ClearReceivedCalls();
13 
14       // 第二次运行
15       runner.Run();
16       command.DidNotReceive().Execute();
17     }