public void EraserDegrades()
{
WriterActions writer = new WriterActions();
writer.ProcessInput("how much wood would.");
writer.Erase("much w");
Assert.AreEqual(1994, writer.pencil.GetCurrentEraserDurability());
}
public void EraserDurabilityWhenEmptyStringErased()
{
WriterActions writer = new WriterActions();
writer.ProcessInput("how much wood would.");
writer.Erase("");
Assert.AreEqual(2000, writer.pencil.GetCurrentEraserDurability());
}
public void EraseNoText()
{
WriterActions writer = new WriterActions();
writer.ProcessInput("how much wood would.");
writer.Erase("");
Assert.AreEqual("how much wood would.", string.Join(null, writer.paper.ToArray()));
}
public void EraserDegradesWhileErasing()
{
WriterActions writer = new WriterActions();
writer.ProcessInput("Buffalo Bill");
writer.pencil.DecreaseEraserDurability(1997); // Degrade eraser to three.
writer.Erase("Bill");
Assert.AreEqual("Buffalo B ", string.Join(null, writer.paper.ToArray()));
}
public void EraseWhenEraserDurabilityZero()
{
WriterActions writer = new WriterActions();
writer.ProcessInput("how much wood would.");
writer.pencil.DecreaseEraserDurability(2000); // Degrade eraser to zero.
writer.Erase("how ");
Assert.AreEqual("how much wood would.", string.Join(null, writer.paper.ToArray()));
}