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 InsertStringTest()
{
// Arrange.
var gapBuffer = new GapBuffer();
var expectedResult = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse nisl.";
// Act.
gapBuffer.Insert(expectedResult, 0);
var actualResult = gapBuffer.GetText(0, gapBuffer.GetLength() - 1);
// Assert.
Assert.AreEqual(expectedResult, actualResult, "The buffer storage content differs.");
}
public void GetTextMiddleStringTest()
{
// Arrange.
var gapBuffer = new GapBuffer();
var expectedResult = "ipsum";
gapBuffer.Insert("Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Suspendisse nisl.", 0);
// Act.
var actualResult = gapBuffer.GetText(6, 10);
// Assert.
Assert.AreEqual(expectedResult, actualResult, "The returned text 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.");
}