public void ConstructionTest() {
TextBufferMock textBuffer = new TextBufferMock(string.Empty, RContentTypeDefinition.ContentType);
var tree = new EditorTree(textBuffer, _editorShell);
using (var editorDocument = new EditorDocumentMock(tree)) {
using (var ob = new ROutlineRegionBuilder(editorDocument, _editorShell)) {
ob.EditorDocument.Should().NotBeNull();
ob.EditorTree.Should().NotBeNull();
editorDocument.DocumentClosing.GetInvocationList().Should().ContainSingle();
FieldInfo treeUpdateField = tree.GetType().GetField("UpdateCompleted", BindingFlags.Instance | BindingFlags.NonPublic);
var d = (MulticastDelegate)treeUpdateField.GetValue(tree);
d.GetInvocationList().Should().ContainSingle();
tree.Dispose();
editorDocument.DocumentClosing.Should().BeNull();
treeUpdateField.GetValue(tree).Should().BeNull();
}
}
}