public void NewLineCommand_AddNewLine() { NewLineCommand command = new NewLineCommand(0, 0); command.Execute(this.document); Assert.AreEqual(5, this.document.Lines.Count); Assert.AreEqual("", this.document.Lines[0]); Assert.AreEqual(this.initialDocument.Lines[0], this.document.Lines[1]); command.Undo(); Assert.AreEqual(this.initialDocument.Text, this.document.Text); command = new NewLineCommand(0, 2); command.Execute(this.document); Assert.AreEqual(5, this.document.Lines.Count); Assert.AreEqual("he", this.document.Lines[0]); Assert.AreEqual("llo", this.document.Lines[1]); command.Undo(); Assert.AreEqual(this.initialDocument.Text, this.document.Text); command = new NewLineCommand(0, 5); command.Execute(this.document); Assert.AreEqual(5, this.document.Lines.Count); Assert.AreEqual("hello", this.document.Lines[0]); Assert.AreEqual("", this.document.Lines[1]); command.Undo(); Assert.AreEqual(this.initialDocument.Text, this.document.Text); command = new NewLineCommand(0, 6); command.Execute(this.document); Assert.AreEqual(5, this.document.Lines.Count); Assert.AreEqual("", this.document.Lines[1]); Assert.AreEqual("world", this.document.Lines[2]); command.Undo(); Assert.AreEqual(this.initialDocument.Text, this.document.Text); command = new NewLineCommand(0, 11); command.Execute(this.document); Assert.AreEqual(5, this.document.Lines.Count); Assert.AreEqual("", this.document.Lines[2]); Assert.AreEqual("", this.document.Lines[3]); command.Undo(); Assert.AreEqual(this.initialDocument.Text, this.document.Text); command = new NewLineCommand(0, this.document.Text.Length); command.Execute(this.document); Assert.AreEqual(5, this.document.Lines.Count); Assert.AreEqual("123", this.document.Lines[3]); Assert.AreEqual("", this.document.Lines[4]); command.Undo(); Assert.AreEqual(this.initialDocument.Text, this.document.Text); }
public void NewLineCommand_AddNewLine_WrongCaretIndex() { NewLineCommand command = new NewLineCommand(0, this.document.Text.Length + 1); command.Execute(this.document); }