public void Lines_Should_Have_Valid_Content()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
Assert.AreEqual("puppy", textEditorModel.GetLineText(0));
Assert.AreEqual("pussy", textEditorModel.GetLineText(1));
Assert.AreEqual("birdie", textEditorModel.GetLineText(2));
}
public void Editing_Line_Should_Update_The_Line_Content()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
document.Insert(0, "cutty ");
Assert.AreEqual("cutty puppy", textEditorModel.GetLineText(0));
Assert.AreEqual("pussy", textEditorModel.GetLineText(1));
Assert.AreEqual("birdie", textEditorModel.GetLineText(2));
}
public void Removing_Line_Should_Update_The_Line_Ranges()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
document.Remove(
document.Lines[0].Offset,
document.Lines[0].TotalLength);
Assert.AreEqual("pussy", textEditorModel.GetLineText(0));
Assert.AreEqual("birdie", textEditorModel.GetLineText(1));
}
public void Inserting_Line_Should_Update_The_Line_Ranges()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
TextEditorModel textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
document.Insert(0, "lion\n");
Assert.AreEqual("lion", textEditorModel.GetLineText(0));
Assert.AreEqual("puppy", textEditorModel.GetLineText(1));
Assert.AreEqual("pussy", textEditorModel.GetLineText(2));
Assert.AreEqual("birdie", textEditorModel.GetLineText(3));
}
public void Replace_Document_Text_Should_Update_Line_Contents()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
Assert.AreEqual(3, textEditorModel.GetNumberOfLines());
document.Text = "one\ntwo\nthree\nfour";
Assert.AreEqual(4, textEditorModel.GetNumberOfLines());
Assert.AreEqual("one", textEditorModel.GetLineText(0));
Assert.AreEqual("two", textEditorModel.GetLineText(1));
Assert.AreEqual("three", textEditorModel.GetLineText(2));
Assert.AreEqual("four", textEditorModel.GetLineText(3));
}
public void Nested_Batch_Document_Changes_Should_Invalidate_Lines()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npuppy\npuppy";
document.BeginUpdate();
document.Insert(0, "*");
Assert.AreEqual(0, textEditorModel.InvalidRange.StartLine,
"Wrong InvalidRange.StartLine 1");
Assert.AreEqual(0, textEditorModel.InvalidRange.EndLine,
"Wrong InvalidRange.EndLine 1");
document.BeginUpdate();
document.Insert(7, "*");
Assert.AreEqual(0, textEditorModel.InvalidRange.StartLine,
"Wrong InvalidRange.StartLine 2");
Assert.AreEqual(1, textEditorModel.InvalidRange.EndLine,
"Wrong InvalidRange.EndLine 2");
document.Insert(14, "*");
Assert.AreEqual(0, textEditorModel.InvalidRange.StartLine,
"Wrong InvalidRange.StartLine 3");
Assert.AreEqual(2, textEditorModel.InvalidRange.EndLine,
"Wrong InvalidRange.EndLine 3");
document.EndUpdate();
Assert.IsNotNull(textEditorModel.InvalidRange,
"InvalidRange should not be null");
document.EndUpdate();
Assert.IsNull(textEditorModel.InvalidRange,
"InvalidRange should be null");
Assert.AreEqual("*puppy", textEditorModel.GetLineText(0));
Assert.AreEqual("*puppy", textEditorModel.GetLineText(1));
Assert.AreEqual("*puppy", textEditorModel.GetLineText(2));
}
public void Replace_Text_Of_Same_Length_With_CR_Should_Update_Line_Content()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
document.Replace(0, 1, "\n");
Assert.AreEqual("", textEditorModel.GetLineText(0));
}
public void Remove_Document_Text_Should_Update_Line_Contents()
{
TextView textView = new TextView();
TextDocument document = new TextDocument();
using var textEditorModel = new TextEditorModel(
textView, document, null);
document.Text = "puppy\npussy\nbirdie";
Assert.AreEqual(3, textEditorModel.GetNumberOfLines());
document.Text = string.Empty;
Assert.AreEqual(1, textEditorModel.GetNumberOfLines());
Assert.AreEqual(string.Empty, textEditorModel.GetLineText(0));
}