public void ShouldNeverBecomeNegative(string sentence, int startPointDurability)
{
const int expectedPointDurability = 0;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), sentence);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldDegradeCorrectlyForManyLowercaseLetters(string lowercaseLetters)
{
const int startPointDurability = 20;
int expectedPointDurability = startPointDurability - lowercaseLetters.Length;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), lowercaseLetters);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldDegradCorrectlyforManyRandomCharacters(string miscCharacters)
{
const int startPointDurability = 20;
int expectedPointDurability = startPointDurability - miscCharacters.Length;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), miscCharacters);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldDegradeCorrectlyForMixedCaseAndWhitespace(string mixedString, int degradeAmount)
{
const int startPointDurability = 40;
int expectedPointDurability = startPointDurability - degradeAmount;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), mixedString);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldAddTextToPaper()
{
const string testSentence = "This is a sentence";
IPencil pencil = GetPencil();
IPaper paper = GetPaper();
pencil.Write(paper, testSentence);
Assert.Equal(testSentence, paper.Text);
}
public void ShouldDegradeByTwoWhenWritingInUppercase()
{
const string uppercaseLetter = "A";
const int startPointDurability = 5;
const int expectedPointDurability = 3;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), uppercaseLetter);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldDegradeCorrectlyForManyUppercaseLetters(string uppercaseLetters)
{
const int uppercaseDegradeValue = 2;
const int startPointDurability = 40;
int expectedPointDurability = startPointDurability - (uppercaseLetters.Length * uppercaseDegradeValue);
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), uppercaseLetters);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldWriteWhitespaceCharacters()
{
const string testWhitespace = " \t\r\n\f\v ";
const int pointDurability = 0;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper();
pencil.Write(paper, testWhitespace);
Assert.Equal(testWhitespace, paper.Text);
}
public void ShouldDefaultDegradingByOneIfNotWhitespaceOrUppercase()
{
const string otherCharecter = "?";
const int startPointDurability = 5;
const int expectedPointDurability = 4;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
pencil.Write(GetPaper(), otherCharecter);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldResetDurabilityToOriginalValue()
{
const string testSentence = "Text to waste pencil durability for testing sharpening abilities";
const int pointDurability = 100;
IPencil pencil = GetPencil(pointDurability: pointDurability);
pencil.Write(GetPaper(), testSentence);
pencil.Sharpen();
Assert.Equal(pointDurability, pencil.CurrentPointDurability);
}
public void ShouldWriteCorrectNumberOfSpaces()
{
const string testSentence = "This should not be written.";
const string expectedString = " ";
const int pointDurability = 0;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper();
pencil.Write(paper, testSentence);
Assert.Equal(expectedString, paper.Text);
}
public void ShouldAppendToExistingText()
{
const string paperText = "This is a sentence";
const string testSentence = " This is another sentence";
const string expectedText = paperText + testSentence;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Write(paper, testSentence);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldWritePartOfTheSentenceWithoutEnoughDurability()
{
const string testSentence = "This should not be written and This should not be written";
const string expectedSentence = "This should not be written and ";
const int pointDurability = 26;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper();
pencil.Write(paper, testSentence);
Assert.Equal(expectedSentence, paper.Text);
}
public void ShouldNotWriteUppercaseIfNotEnoughDurability()
{
const string testString = "aTat";
const string expectedText = "a a ";
const int pointDurability = 2;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper();
pencil.Write(paper, testString);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldKeepWhitespaceInMiddleOfText()
{
const string testSentence = "\vT\this is a\t sentence\n with whi\r\ntespace chara\ncters.\f";
const string expectedText = "\v \t \t \n \r\n \n \f";
const int pointDurability = 0;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper();
pencil.Write(paper, testSentence);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldAppendSpacesToText()
{
const string paperText = "This already exists.";
const string testSentence = " This should not be written.";
const string expectedText = "This already exists. ";
const int pointDurability = 0;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper(paperText);
pencil.Write(paper, testSentence);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldNotResetDurabilityWhenZeroLength()
{
const string testSentence = "Keep it simple";
const int length = 0;
const int startPointDurability = 100;
const int expectedPointDurability = 87;
IPencil pencil = GetPencil(pointDurability: startPointDurability, length: length);
pencil.Write(GetPaper(), testSentence);
pencil.Sharpen();
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
