public void VerifyWhenDurabilityIsOneAndPencilWritesOneLetterTheSameLetterIsReturned()
{
PencilDurability pencilDurability = new PencilDurability(1, 1, 10);
string result = pencilDurability.Write("t");
Assert.Equal("t", result);
}
public void VerifyWhenDurabilityIsOneAndPencilWritesACapitalLetterAnEmptyStringIsReturned()
{
PencilDurability pencilDurability = new PencilDurability(1, 1, 10);
string result = pencilDurability.Write("A");
Assert.Equal(string.Empty, result);
}
public void VerifyWhenDurabilityIsTwoAndPencilWritesTwoLettersSameTwoLettersAreReturned()
{
PencilDurability pencilDurability = new PencilDurability(2, 1, 10);
string result = pencilDurability.Write("te");
Assert.Equal("te", result);
}
public void VerifyWhenPencilIsSharpenedTheLengthIsReducedByOne()
{
PencilDurability pencilDurability = new PencilDurability(10, 2, 10);
pencilDurability.Sharpen();
Assert.Equal(1, pencilDurability.GetLength());
}
public void VerifyWhenPaperIsInitializedThenTextOnPaperCanBeRead()
{
PencilDurability pencilDurability = new PencilDurability(1, 1, 10);
string paper = "Test paper";
pencilDurability.InitializePaper(paper);
Assert.Equal("Test paper", pencilDurability.GetPaperText());
}
public void VerifyWhenDurabilityIsTwoAndPencilWritesOneLowerCaseLetterAndNewlineDurabilityIsOne()
{
PencilDurability pencilDurability = new PencilDurability(2, 1, 10);
pencilDurability.Write("a\n");
int durability = pencilDurability.GetPencilDurability();
Assert.Equal(1, durability);
}
public void VerifyWhenEditingTextAndPencilDurabilityIsZeroAndNewTextWouldHaveCollidedWithExistingTextResultingPaperOriginalTextRemains()
{
PencilDurability pencilDurability = new PencilDurability(0, 1, 1);
string paper = "There is not room";
pencilDurability.InitializePaper(paper);
pencilDurability.Edit(0, "edit");
Assert.Equal(paper, pencilDurability.GetPaperText());
}
public void VerifyWhenEditingPaperAndNextTextCollidesWithTwoExistingWordsNextTextFillsWhiteSpaceAndAtSymbolReplacesCollidingLetters()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 1);
string paper = "There is not room";
pencilDurability.InitializePaper(paper);
pencilDurability.Edit(8, "enough");
Assert.Equal("There ise@@@g@oom", pencilDurability.GetPaperText());
}
public void VerifyWhenPencilIsSharpenedAndLengthIsZeroInitialDurabilityIsNotRegained()
{
PencilDurability pencilDurability = new PencilDurability(10, 0, 10);
pencilDurability.Sharpen();
pencilDurability.Write("test");
pencilDurability.Sharpen();
Assert.Equal(6, pencilDurability.GetPencilDurability());
}
public void VerifyWhenPaperIsEditWithPencilDurabilityFourAndThreeUppercaseLettersOnlyFirstTwoCharactersAdded()
{
PencilDurability pencilDurability = new PencilDurability(4, 1, 3);
string paper = "This is paper";
pencilDurability.InitializePaper(paper);
pencilDurability.Edit(8, "THE");
Assert.Equal("This is TH paper", pencilDurability.GetPaperText());
}
public void VerifyWhenPaperIsEditedWithThreeUppercaseLettersPencilDurabilityGoesDownBySix()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 3);
string paper = "This is paper";
pencilDurability.InitializePaper(paper);
pencilDurability.Edit(8, "THE");
Assert.Equal(4, pencilDurability.GetPencilDurability());
}
public void VerifyWhenPaperHasFiveConsecutiveWhiteSpacesWordTheCanBeAddedToMiddleThreeWhiteSpacesOnPaper()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 3);
string paper = "This is paper";
pencilDurability.InitializePaper(paper);
pencilDurability.Edit(8, "the");
Assert.Equal("This is the paper", pencilDurability.GetPaperText());
}
public void VerifyWhenEraserDurabilityIsThreeAndBillIsErasedThenOnlyFirstLetterOfBillRemains()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 3);
string paper = "Buffalo Bill";
pencilDurability.InitializePaper(paper);
pencilDurability.Erase("Bill");
Assert.Equal("Buffalo B ", pencilDurability.GetPaperText());
}
public void VerifyWhenEraserDurabilityIsFiveAndWordBillIsErasedWithSpaceThenEraserDurabilityIsOne()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 5);
string paper = "Buffalo Bill";
pencilDurability.InitializePaper(paper);
pencilDurability.Erase(" Bill");
Assert.Equal(1, pencilDurability.GetEraserDurability());
}
public void VerifyWhenEraserDurabilityIsFourAndWordBillIsErasedThenEraserDurabilityIsZero()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 4);
string paper = "Buffalo Bill";
pencilDurability.InitializePaper(paper);
pencilDurability.Erase("Bill");
Assert.Equal(0, pencilDurability.GetEraserDurability());
}
public void VerifyWhenTheWordTestIsErasedThenLastOccurrenceOfTestOnPaperIsReplacedWithWhitespace()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 10);
string paper = "Test my eraser test";
pencilDurability.InitializePaper(paper);
pencilDurability.Erase("test");
Assert.Equal("Test my eraser ", pencilDurability.GetPaperText());
}
public void VerifyWhenEditingPaperAndNewTextCollidesWithExistingTextAtSymbolIsWrittenInThatPosition()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 1);
string paper = "There is not room";
pencilDurability.InitializePaper(paper);
pencilDurability.Edit(13, "enough");
Assert.Equal("There is not enoug@oom", pencilDurability.GetPaperText());
}
public void VerifyPencilAppendsTextToPaperWithExistingText()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 10);
string paper = "Test paper";
pencilDurability.InitializePaper(paper);
pencilDurability.Write(" appending");
Assert.Equal("Test paper appending", pencilDurability.GetPaperText());
}
public void VerifyWhenPencilIsSharpenedItRegainsInitialDurability()
{
PencilDurability pencilDurability = new PencilDurability(10, 2, 10);
pencilDurability.Sharpen();
pencilDurability.Write("test");
pencilDurability.Sharpen();
Assert.Equal(10, pencilDurability.GetPencilDurability());
}
public void VerifyWhenWordOccursTwiceOnPaperAndEraseCalledTwiceForThatWordBothOccurrencesAreErased()
{
PencilDurability pencilDurability = new PencilDurability(10, 1, 10);
string paper = "test my eraser test";
pencilDurability.InitializePaper(paper);
pencilDurability.Erase("test");
pencilDurability.Erase("test");
Assert.Equal(" my eraser ", pencilDurability.GetPaperText());
}