public void WhenCopyParamsWithinValue_ThenPaste(int copyPosition, int copyLength, int pastePosition, string expected)
{
var sut = new CopyPasteCommand(copyPosition, copyLength, pastePosition).SetValue(Value);
sut.Execute();
Assert.That(sut.Result, Is.EqualTo(expected));
}
public void WhenCopyLengthWouldGoOutOfRange_ThenCopyTillEnd(int copyPosition, int copyLength, int pastePosition, string expected)
{
var sut = new CopyPasteCommand(copyPosition, copyLength, pastePosition).SetValue(Value);
sut.Execute();
Assert.That(sut.Result, Is.EqualTo(expected));
}
public void WhenPastePositionGreaterThanLength_ThenPasteAtEnd()
{
var sut = new CopyPasteCommand(0, 4, Value.Length + 1).SetValue(Value);
sut.Execute();
Assert.That(sut.Result, Is.EqualTo(Value + "John"));
}
public void WhenCopyPositionEqualsOrGreaterThanValueLength_ThenSetToSame(int copyPosition, int copyLength, int pastePosition)
{
var sut = new CopyPasteCommand(copyPosition, copyLength, pastePosition).SetValue(Value);
sut.Execute();
Assert.That(sut.Result, Is.EqualTo(Value));
}
public void WhenCopyLengthIsLessThanOne_ThenSetToSame()
{
var sut = new CopyPasteCommand(0, 0, 5).SetValue(Value);
sut.Execute();
Assert.That(sut.Result, Is.EqualTo(Value));
}
public void WhenValueIsNull_ThenSetToNull()
{
var sut = new CopyPasteCommand(0, 2, 5);
sut.Execute();
Assert.That(sut.Result, Is.Null);
}
