public void RemoveRangeCommand_RemoveLines()
{
RemoveRangeCommand command = new RemoveRangeCommand(3, 5);
command.Execute(this.document);
List<string> expected = new List<string>()
{ "helrld", "", "123" };
string expectedString = string.Join("\n", expected);
Assert.AreEqual(expectedString, this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(0, this.document.Text.Length);
command.Execute(this.document);
Assert.AreEqual("", this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(12, 4);
command.Execute(this.document);
expected = new List<string>()
{ "hello", "world", "" };
expectedString = string.Join("\n", expected);
Assert.AreEqual(expectedString, this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(11, 5);
command.Execute(this.document);
expected = new List<string>()
{ "hello", "world" };
expectedString = string.Join("\n", expected);
Assert.AreEqual(expectedString, this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
}
public void RemoveRangeCommand_RemoveCharacter()
{
RemoveRangeCommand command = new RemoveRangeCommand(0, 1);
command.Execute(this.document);
Assert.AreEqual("ello", this.document.Lines[0]);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(4, 1);
command.Execute(this.document);
Assert.AreEqual("hell", this.document.Lines[0]);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(5, 1);
command.Execute(this.document);
Assert.AreEqual("helloworld", this.document.Lines[0]);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(11, 1);
command.Execute(this.document);
Assert.AreEqual(3, this.document.Lines.Count);
Assert.AreEqual("hello\nworld\n123", this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(12, 1);
command.Execute(this.document);
Assert.AreEqual(3, this.document.Lines.Count);
Assert.AreEqual("hello\nworld\n123", this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command = new RemoveRangeCommand(this.document.Text.Length, 1);
command.Execute(this.document);
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
command.Undo();
Assert.AreEqual(this.initialDocument.Text, this.document.Text);
}