public void YouCanCheckToSeeIfAMethodWasCalled()
{
// Create a stub.
ISampleClass stub = CreateStub();
// Call some method.
stub.MethodThatReturnsInteger("foo");
// Check that particular method was called.
stub.AssertWasCalled(s => s.MethodThatReturnsInteger("foo"));
stub.AssertWasCalled(s => s.MethodThatReturnsInteger(Arg <string> .Is.Anything));
}
public void YouCanCheckToSeeIfAMethodWasCalledACertainNumberOfTimes()
{
// Create a stub.
ISampleClass stub = CreateStub();
// Call some methods.
stub.MethodThatReturnsInteger("foo");
stub.MethodThatReturnsInteger("bar");
// This will pass.
stub.AssertWasCalled(s => s.MethodThatReturnsInteger("foo"), o => o.Repeat.Once());
// Call the method a second time.
stub.MethodThatReturnsInteger("foo");
// Now this will fail because we called it a second time.
Assert.Throws <ExpectationViolationException>(() => stub.AssertWasCalled(s => s.MethodThatReturnsInteger("foo"), o => o.Repeat.Once()));
// Some other options.
stub.AssertWasCalled(s => s.MethodThatReturnsInteger("foo"), o => o.Repeat.Times(2));
stub.AssertWasCalled(s => s.MethodThatReturnsInteger("foo"), o => o.Repeat.AtLeastOnce());
stub.AssertWasCalled(s => s.MethodThatReturnsInteger("foo"), o => o.Repeat.Twice());
}