diff -r 000000000000 -r 6474c204b198 browser/devtools/styleinspector/test/browser_computedview_matched-selectors_02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/styleinspector/test/browser_computedview_matched-selectors_02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests for matched selector texts in the computed view
+
+let test = asyncTest(function*() {
+  yield addTab("data:text/html,<div style='color:blue;'></div>");
+
+  info("Opening the computed view");
+  let {toolbox, inspector, view} = yield openComputedView();
+
+  info("Selecting the test node");
+  yield selectNode("div", inspector);
+
+  info("Checking the color property view");
+  let propertyView = getPropertyView(view, "color");
+  ok(propertyView, "found PropertyView for color");
+  is(propertyView.hasMatchedSelectors, true, "hasMatchedSelectors is true");
+
+  info("Expanding the matched selectors");
+  propertyView.matchedExpanded = true;
+  yield propertyView.refreshMatchedSelectors();
+
+  let span = propertyView.matchedSelectorsContainer.querySelector("span.rule-text");
+  ok(span, "Found the first table row");
+
+  let selector = propertyView.matchedSelectorViews[0];
+  ok(selector, "Found the first matched selector view");
+});
+
+function getPropertyView(computedView, name) {
+  let propertyView = null;
+  computedView.propertyViews.some(function(view) {
+    if (view.name == name) {
+      propertyView = view;
+      return true;
+    }
+    return false;
+  });
+  return propertyView;
+}