public void ShouldCorrectlyConflictWithTextAndOverwriteWhitespace()
{
const string paperText = "This is a sentence.";
const string editText = "overwrite";
const string expectedText = "Thi@v@@w@i@@ntence.";
const int startIndex = 3;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldSetNegativeStartIndexToZero()
{
const string paperText = " ";
const string editText = "Negative";
const string expectedText = "Negative ";
const int startIndex = -20;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldOverwriteBeyondExistingTextLength()
{
const string paperText = " ";
const string editText = "This is a sentence.";
const string expectedText = " This is a sentence.";
const int startIndex = 5;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldAppendToPaperWhenStartIndexIsTooLarge()
{
const string paperText = "This is a sentence.";
const string editText = " This is another sentence.";
const string expectedText = "This is a sentence. This is another sentence.";
const int startIndex = 19;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldOverwriteWhitespaceWithOtherWhitespace()
{
const string paperText = " ";
const string editText = " \t\r\n\f\v ";
const string expectedText = " \t\r\n\f\v ";
const int startIndex = 3;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldNotOverwriteTextWithWhitespace()
{
const string paperText = "This is a sentence.";
const string editText = " \t\r\n\f\v ";
const string expectedText = "This is a sentence.";
const int startIndex = 11;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldOverwriteExistingTextWithConflictCharacter()
{
const string paperText = "This is a sentence.";
const string editText = "Added";
const string expectedText = "This is a se@@@@@e.";
const int startIndex = 12;
IPencil pencil = GetPencil();
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldWriteWhitespaceIfNoDurability()
{
const string paperText = "Word Word";
const string editText = "a\t\r\n\f\va";
const string expectedText = "Word \t\r\n\f\v Word";
const int startIndex = 4;
const int pointDurability = 0;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldAddSpacesBeyondExistingTextLengthIfBecomesDull()
{
const string paperText = " ";
const string editText = "This is a sentence.";
const string expectedText = " This is a ";
const int startIndex = 5;
const int pointDurability = 8;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldNotWriteUppercaseIfNotEnoughDurability()
{
const string paperText = "Word Word";
const string editText = "tTt";
const string expectedText = "Word t t Word";
const int startindex = 5;
const int pointDurability = 2;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startindex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldWritePartialEditWhenDurabilityRunsOut()
{
const string paperText = "This is a sentence.";
const string editText = "overwrite";
const string expectedText = "Thi@v@@wa sentence.";
const int startIndex = 3;
const int pointDurability = 5;
IPencil pencil = GetPencil(pointDurability: pointDurability);
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedText, paper.Text);
}
public void ShouldCorrectlyDegradeWhenOverwritingText()
{
const string paperText = "This is a sentence.";
const string editText = "overwrite";
const int startIndex = 3;
const int startPointDurability = 129;
const int expectedPointDurability = 120;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
public void ShouldCorrectlyDegradeWhenAppendedToTheEnd()
{
const string paperText = "This is a sentence.";
const string editText = " This is another sentence.";
const int startIndex = 19;
const int startPointDurability = 123;
const int expectedPointDurability = 100;
IPencil pencil = GetPencil(pointDurability: startPointDurability);
IPaper paper = GetPaper(paperText);
pencil.Edit(paper, editText, startIndex);
Assert.Equal(expectedPointDurability, pencil.CurrentPointDurability);
}
