diff -r 000000000000 -r 6474c204b198 layout/style/test/style_attribute_tests.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/style/test/style_attribute_tests.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+
+SimpleTest.waitForExplicitFinish();
+
+window.addEventListener("load", runTests, false);
+
+function runTests(event)
+{
+    if (event.target != document) {
+        return;
+    }
+
+    var elt = document.getElementById("content");
+
+    elt.setAttribute("style", "color: blue; background-color: fuchsia");
+    is(elt.style.color, "blue",
+       "setting correct style attribute (color)");
+    is(elt.style.backgroundColor, "fuchsia",
+       "setting correct style attribute (color)");
+
+    elt.setAttribute("style", "{color: blue; background-color: fuchsia}");
+    is(elt.style.color, "",
+       "setting braced style attribute (color)");
+    is(elt.style.backgroundColor, "",
+       "setting braced style attribute (color)");
+
+    SimpleTest.finish();
+}