public void DoSomething_increments_counter()
{
var counter = new Counter();
var subject = new ClassThatIncrementsCounter(counter);
subject.DoSomething();
Assert.AreEqual(1, counter.Value);
}
public void DoSomething_increments_counter()
{
var counter = new Mock<ICounter>();
// indicate that we want to track whether this method was called.
counter.Setup(x => x.Increment()).Verifiable();
var subject = new ClassThatIncrementsCounter(counter.Object);
subject.DoSomething();
// verify that the method was called.
counter.Verify(x => x.Increment());
}