public void ComplexOperationTests()
{
var gapBuffer = new GapBuffer();
const string lorem = "Lorem";
gapBuffer.Insert(' ', 0);
foreach (var character in lorem)
{
gapBuffer.Insert(character, gapBuffer.GetLength());
}
var actualResult = gapBuffer.GetText(0, gapBuffer.GetLength() - 1);
Assert.AreEqual(" Lorem", actualResult, "The returned text differs.");
foreach (var character in lorem)
{
gapBuffer.Insert(character, 0);
}
actualResult = gapBuffer.GetText(0, gapBuffer.GetLength() - 1);
Assert.AreEqual("meroL Lorem", actualResult, "The returned text differs.");
gapBuffer.Delete(3, 3);
actualResult = gapBuffer.GetText(0, gapBuffer.GetLength() - 1);
Assert.AreEqual("merL Lorem", actualResult, "The returned text differs.");
gapBuffer.Delete(0, gapBuffer.GetLength() - 1);
actualResult = gapBuffer.GetText(0, 0);
Assert.AreEqual(default, actualResult, "The returned text differs.");
public void GetTextLastStringTest()
{
// Arrange.
var gapBuffer = new GapBuffer();
var expectedResult = " nisl.";
gapBuffer.Insert("Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse nisl.", 0);
// Act.
var actualResult = gapBuffer.GetText(gapBuffer.GetLength() - 6, gapBuffer.GetLength() - 1);
// Assert.
Assert.AreEqual(expectedResult, actualResult, "The returned text differs.");
}
public void DeleteLastCharTest()
{
// Arrange.
var gapBuffer = new GapBuffer();
var expectedResult = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse nisl";
gapBuffer.Insert("Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse nisl.", 0);
// Act.
gapBuffer.Delete(gapBuffer.GetLength() - 1, gapBuffer.GetLength() - 1);
var actualResult = gapBuffer.GetText(0, gapBuffer.GetLength() - 1);
// Assert.
Assert.AreEqual(expectedResult, actualResult, "The buffer storage content differs.");
}
public void GetLengthDeleteTest()
{
// Arrange.
var gapBuffer = new GapBuffer();
var expectedResult = 0;
gapBuffer.Insert("Lorem", 0);
// Act.
gapBuffer.Delete(0, gapBuffer.GetLength() - 1);
var actualResult = gapBuffer.GetLength();
// Assert.
Assert.AreEqual(expectedResult, actualResult, "The buffer storage length differs.");
}
public void InsertCharTest()
{
// Arrange.
var gapBuffer = new GapBuffer();
var expectedResult = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse nisl.";
// Act.
var index = 0;
foreach (var character in expectedResult)
{
gapBuffer.Insert(character, index);
index++;
}
var actualResult = gapBuffer.GetText(0, gapBuffer.GetLength() - 1);
// Assert.
Assert.AreEqual(expectedResult, actualResult, "The buffer storage content differs.");
}
