private XmlNode GetAssertedContainerSpan(bool withStyle)
        {
            var renderer = new TestableBocAutoCompleteReferenceValueRenderer(
                _resourceUrlFactory,
                GlobalizationService,
                RenderingFeatures.Default,
                () => TextBox);

            renderer.Render(CreateRenderingContext());

            var document     = Html.GetResultDocument();
            var containerDiv = document.GetAssertedChildElement("span", 0);

            containerDiv.AssertAttributeValueEquals("id", "MyReferenceValue");
            containerDiv.AssertAttributeValueContains("class", "bocAutoCompleteReferenceValue");
            if (Control.IsReadOnly)
            {
                containerDiv.AssertAttributeValueContains("class", "readOnly");
            }
            if (!Control.Enabled)
            {
                containerDiv.AssertAttributeValueContains("class", "disabled");
            }

            // containerDiv.AssertChildElementCount (1);

            if (withStyle)
            {
                containerDiv.AssertStyleAttribute("width", s_width.ToString());
                containerDiv.AssertStyleAttribute("height", s_height.ToString());
            }

            return(containerDiv);
        }
        public void RenderDiagnosticMetadataAttributes()
        {
            var renderer = new TestableBocAutoCompleteReferenceValueRenderer(
                _resourceUrlFactory,
                GlobalizationService,
                RenderingFeatures.WithDiagnosticMetadata,
                () => TextBox);

            TextBox.AutoPostBack = false;
            Control.Stub(stub => stub.Enabled).Return(true);
            SetUpClientScriptExpectations();
            SetValue();

            Control.Stub(stub => stub.TextBoxStyle).Return(new SingleRowTextBoxStyle());
            Control.TextBoxStyle.AutoPostBack = true;

            Html.Writer.AddAttribute(HtmlTextWriterAttribute.Class, "body");
            Html.Writer.RenderBeginTag(HtmlTextWriterTag.Span);
            renderer.Render(CreateRenderingContext());
            Html.Writer.RenderEndTag();

            var document = Html.GetResultDocument();
            var control  = document.DocumentElement.GetAssertedChildElement("span", 0);

            control.AssertAttributeValueEquals(DiagnosticMetadataAttributes.ControlType, "BocAutoCompleteReferenceValue");
            control.AssertAttributeValueEquals(DiagnosticMetadataAttributes.TriggersPostBack, "true");
        }