diff -r 000000000000 -r 6474c204b198 browser/devtools/styleinspector/test/browser_computedview_refresh-on-style-change_02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/styleinspector/test/browser_computedview_refresh-on-style-change_02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,40 @@
+/* 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";
+
+// Test that the computed view refreshes when the current node has its style
+// changed, even if the view is not the active one
+
+const TESTCASE_URI = 'data:text/html;charset=utf-8,' +
+                     '<div id="testdiv" style="font-size:10px;">Test div!</div>';
+
+let test = asyncTest(function*() {
+  yield addTab(TESTCASE_URI);
+
+  info("Getting the test node");
+  let div = getNode("#testdiv");
+
+  info("Opening the computed view and selecting the test node");
+  let {toolbox, inspector, view} = yield openComputedView();
+  yield selectNode(div, inspector);
+
+  let fontSize = getComputedViewPropertyValue(view, "font-size");
+  is(fontSize, "10px", "The computed view shows the right font-size");
+
+  info("Now switching to the rule view");
+  yield openRuleView();
+
+  info("Changing the node's style and waiting for the update");
+  let onUpdated = inspector.once("computed-view-refreshed");
+  div.style.cssText = "font-size: 20px; color: blue; text-align: center";
+  yield onUpdated;
+
+  fontSize = getComputedViewPropertyValue(view, "font-size");
+  is(fontSize, "20px", "The computed view shows the updated font-size");
+  let color = getComputedViewPropertyValue(view, "color");
+  is(color, "#00F", "The computed view also shows the color now");
+  let textAlign = getComputedViewPropertyValue(view, "text-align");
+  is(textAlign, "center", "The computed view also shows the text-align now");
+});