public void GivenAPencil_WhenToldToEditAtAPositionWithText_ThenTheTextWillFillTheSpace()
{
_paperMock.Setup(t => t.Show()).Returns(" ");
_paperMock.Setup(t => t.Write('T', 10));
_sut.EditOn(10, "T", _paperMock.Object);
_paperMock.Verify(t => t.Write('T', 10));
}
public void GivenASheetOfPaperWithWritingOnIt_WhenEditingIsCalled_ThenLettersOnThePageWillBeErased()
{
var pencil = new Pencil();
var paper = new Paper("An a day keeps the doctor away");
pencil.EditOn(3, "artichoke", paper);
Assert.Equal("An artich@k@ay keeps the doctor away", paper.Show());
}
