public void WhenOverwritingTheValueAppearsOnThePaper(string text, string expectedResult)
{
var testString = "An apple a day keeps the doctor away";
var pencil = new Pencil(1000, 5, 100);
var paper = new Paper();
pencil.Write(testString, ref paper);
pencil.Erase("apple", ref paper);
pencil.Rewrite(text, ref paper);
Assert.Equal(expectedResult, paper.Content);
}
public void WhenRewritingNothingItDoesNotThrowEx()
{
var pencil = new Pencil();
var paper = new Paper();
try
{
pencil.Rewrite(string.Empty, ref paper);
}
catch
{
Assert.True(false, "Exception thrown when calling Rewrite");
}
}
public void WhenOverwritingThePointDurabilityIsReduced(string text, int expectedResult)
{
var testString = "An apple a day keeps the doctor away";
var initialDurability = 1000;
var pencil = new Pencil(initialDurability, 5, 100);
var paper = new Paper();
pencil.Write(testString, ref paper);
pencil.Sharpen();
pencil.Erase("apple", ref paper);
pencil.Rewrite(text, ref paper);
Assert.Equal(initialDurability - expectedResult, pencil.Durability);
}