Add stub visited callback and add equality to CSSTextDecoration

Author: Eric Atkinson

select.rs

@@ -144,6 +144,12 @@ impl<N, H: SelectHandler<N>> n::s::CssSelectHandler<N> for SelectHandlerWrapper<
         false
     }
 
+    fn node_is_visited(&self, _node: &N) -> bool {
+        // FIXME
+        warn_unimpl("node_is_visited");
+        false
+    }
+
     fn ua_default_for_property(&self, property: n::p::CssProperty) -> n::h::CssHint {
         warn!("not specifiying ua default for property %?", property);
         n::h::CssHintDefault

test.rs

@@ -112,6 +112,22 @@ fn single_div_test(style: &str, f: &fn(&ComputedStyle)) {
     f(&computed);
 }
 
+fn single_html_test(style: &str, f: &fn(&ComputedStyle)) {
+    let sheet = Stylesheet::new(test_url(), style_stream(style));
+    let mut select_ctx = SelectCtx::new();
+    let handler = &TestHandler::new();
+    select_ctx.append_sheet(sheet, OriginAuthor);
+    let dom = &TestNode(@NodeData {
+        name: ~"html",
+        id: ~"id1",
+        children: ~[],
+        parent: @mut None
+    });
+    let style = select_ctx.select_style(dom, handler);
+    let computed = style.computed_style();
+    f(&computed);
+}
+
 #[test]
 fn test_background_color_simple() {
     let style = "div { background-color: #123456; }";
@@ -345,6 +361,22 @@ fn test_text_align() {
     }
 }
 
+#[test]
+fn test_text_decoration(){
+    let style = "div { text-decoration: none; }";
+    do single_html_test(style) |computed| {
+        assert!(computed.text_decoration() == Specified(CSSTextDecorationNone));
+    }
+    let style = "html { text-decoration: underline; }";
+    do single_html_test(style) |computed| {
+        assert!(computed.text_decoration() == Specified(CSSTextDecorationUnderline));
+    }
+    let style = "";
+    do single_html_test(style) |computed| {
+        assert!(computed.text_decoration() == Specified(CSSTextDecorationNone));
+    }
+}
+
 #[test]
 fn test_id_selector() {
     let style = "#id1 { text-align: center; }";

values.rs

@@ -280,6 +280,7 @@ pub enum CSSTextAlign {
     CSSTextAlignJustify
 }
 
+#[deriving(Eq)]
 pub enum CSSTextDecoration {
     CSSTextDecorationNone,
     CSSTextDecorationUnderline,