public void TextBuffer_OnChanged_NoopsIfNoChanges()
{
// Arrange
var editorOperationsFactory = new Mock <IEditorOperationsFactoryService>();
var changeCollection = new TestTextChangeCollection();
var textContentChangeArgs = new TestTextContentChangedEventArgs(changeCollection);
var documentTracker = CreateDocumentTracker(() => Mock.Of <ITextBuffer>(), Mock.Of <ITextView>());
var braceSmartIndenter = new BraceSmartIndenter(Dispatcher, documentTracker, editorOperationsFactory.Object);
// Act & Assert
braceSmartIndenter.TextBuffer_OnChanged(null, textContentChangeArgs);
}
public void TextChangeOccurred_NoChanges_ReturnsFalse()
{
// Arrange
var before = new StringTextSnapshot(string.Empty);
var after = new StringTextSnapshot(string.Empty);
var testArgs = new TestTextContentChangedEventArgs(before, after);
// Act
var result = testArgs.TextChangeOccurred(out _);
// Assert
Assert.False(result);
}
public void TextBuffer_OnChanged_NoopsIfNoChanges()
{
// Arrange
var editorOperationsFactory = new Mock <IEditorOperationsFactoryService>(MockBehavior.Strict);
var changeCollection = new TestTextChangeCollection();
var textContentChangeArgs = new TestTextContentChangedEventArgs(changeCollection);
var documentTracker = CreateDocumentTracker(() => Mock.Of <ITextBuffer>(MockBehavior.Strict), Mock.Of <ITextView>(MockBehavior.Strict));
var codeDocumentProvider = Mock.Of <TextBufferCodeDocumentProvider>(MockBehavior.Strict);
using var braceSmartIndenter = new BraceSmartIndenter(JoinableTaskFactory.Context, documentTracker, codeDocumentProvider, editorOperationsFactory.Object);
// Act & Assert
braceSmartIndenter.TextBuffer_OnChanged(null, textContentChangeArgs);
}
public void TextChangeOccurred_CancelingChanges_ReturnsFalse()
{
// Arrange
var before = new StringTextSnapshot("by");
before.Version.Changes.Add(new TestTextChange(new SourceChange(0, 2, "hi")));
before.Version.Changes.Add(new TestTextChange(new SourceChange(0, 2, "by")));
var after = new StringTextSnapshot("by");
var testArgs = new TestTextContentChangedEventArgs(before, after);
// Act
var result = testArgs.TextChangeOccurred(out _);
// Assert
Assert.False(result);
}
public void TextChangeOccurred_SingleChange_ReturnsTrue()
{
// Arrange
var before = new StringTextSnapshot("by");
var firstChange = new TestTextChange(new SourceChange(0, 2, "hi"));
before.Version.Changes.Add(firstChange);
var after = new StringTextSnapshot("hi");
var testArgs = new TestTextContentChangedEventArgs(before, after);
// Act
var result = testArgs.TextChangeOccurred(out var changeInformation);
// Assert
Assert.True(result);
Assert.Same(firstChange, changeInformation.firstChange);
Assert.Equal(firstChange, changeInformation.lastChange);
Assert.Equal("hi", changeInformation.newText);
Assert.Equal("by", changeInformation.oldText);
}
