I’ve finally found a need to mock a method that has a void return option. Here is how to do it with Rhino Mocks.
// Setup the delete methods
Expect.Call(delegate { items.Delete(_TestItems[0].Item); })
.Throw(new System.Data.ConstraintException("duplicate row"))
.Repeat.AtLeastOnce();
You can also have it return nothing and now throw any exceptions like so.
Expect.Call(delegate { items.Delete(_TestItems[1].Item); })
.Repeat.AtLeastOnce();
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