public void CanGetRootsWhenNodeMoved()
        {
            var fileId   = Guid.NewGuid().ToString();
            var codeFile = this.PrepareCodeFile(fileId, this.cSharpSource01);
            var subject  = new SingleNodeSnapshot(codeFile, new SyntaxTreeMappedVisitor <SyntaxTreeMappedVisitorContext>());

            var node = codeFile.SyntaxTree.GetRoot().DescendantNodes().OfType <FieldDeclarationSyntax>().First(f => f.Declaration.Variables.Count > 0 && f.Declaration.Variables.First().Identifier.Text == "FieldToMove");

            var annotatedRoot = subject.Initialize(node);

            codeFile.SyntaxTree = annotatedRoot.SyntaxTree;

            var fieldToMove = codeFile.SyntaxTree.GetRoot().DescendantNodes().OfType <FieldDeclarationSyntax>().First(f => f.Declaration.Variables.Count > 0 && f.Declaration.Variables.First().Identifier.Text == "FieldToMove");

            FieldRemover remover = new FieldRemover("FieldToMove");

            codeFile.SyntaxTree = remover.Visit(codeFile.SyntaxTree.GetRoot()).SyntaxTree;

            FieldAdder adder = new FieldAdder("MyHelperClass", fieldToMove);

            codeFile.SyntaxTree = adder.Visit(codeFile.SyntaxTree.GetRoot()).SyntaxTree;

            var result = subject.ResolveRoot();

            result.Should().NotBeNull();
            result.CurrentPath.ToString().Should().Be($"{Languages.CSharp}:{fileId}/Members[0]/Members[0]/Members[1]");
            result.OriginalPath.ToString().Should().Be($"{Languages.CSharp}:{fileId}/Members[0]/Members[1]/Members[9]");
        }
        public void CanGetRootWhenUnmodified()
        {
            var fileId   = Guid.NewGuid().ToString();
            var codeFile = this.PrepareCodeFile(fileId, this.cSharpSource01);
            var subject  = new SingleNodeSnapshot(codeFile, new SyntaxTreeMappedVisitor <SyntaxTreeMappedVisitorContext>());

            var node = codeFile.SyntaxTree.GetRoot().DescendantNodes().OfType <ClassDeclarationSyntax>().First(c => c.Identifier.Text == "MyAwesomeClass");

            var annotatedRoot = subject.Initialize(node);

            codeFile.SyntaxTree = annotatedRoot.SyntaxTree;

            var result = subject.ResolveRoot();

            result.Should().NotBeNull();
            result.CurrentPath.ToString().Should().Be($"{Languages.CSharp}:{fileId}/Members[0]/Members[1]");
            result.OriginalPath.ToString().Should().Be($"{Languages.CSharp}:{fileId}/Members[0]/Members[1]");
        }