public void CurrentSnapshot_ChangesWhenTextBufferChanges()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot(string.Empty));
textBuffer.ChangeContentType(NotInertContentType, editTag: null);
using var document = new DefaultLSPDocument(Uri, textBuffer, virtualDocuments: Array.Empty <VirtualDocument>());
var originalSnapshot = document.CurrentSnapshot;
// Act
var edit = textBuffer.CreateEdit();
edit.Insert(0, "New!");
edit.Apply();
// Assert
var newSnapshot = document.CurrentSnapshot;
Assert.NotSame(originalSnapshot, newSnapshot);
Assert.Equal(1, originalSnapshot.Version);
Assert.Equal(2, newSnapshot.Version);
}
public void InertTextBuffer_DoesNotCreateSnapshot()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot(string.Empty));
textBuffer.ChangeContentType(NotInertContentType, editTag: null);
using var document = new DefaultLSPDocument(Uri, textBuffer, virtualDocuments: Array.Empty <VirtualDocument>());
var originalSnapshot = document.CurrentSnapshot;
textBuffer.ChangeContentType(TestInertContentType.Instance, editTag: null);
// Act
var edit = textBuffer.CreateEdit();
edit.Insert(0, "New!");
edit.Apply();
// Assert
var newSnapshot = document.CurrentSnapshot;
Assert.Same(originalSnapshot, newSnapshot);
}
