1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/tests/chrome/test_paris_weakmap_keys.xul Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,80 @@
1.4 +<?xml version="1.0"?>
1.5 +<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
1.6 +<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
1.7 +<!--
1.8 +https://bugzilla.mozilla.org/show_bug.cgi?id=777385
1.9 +-->
1.10 +<window title="Mozilla Bug 777385"
1.11 + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
1.12 + <div></div>
1.13 + <div id="mydivname"></div>
1.14 + <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
1.15 +
1.16 + <!-- test results are displayed in the html:body -->
1.17 + <body xmlns="http://www.w3.org/1999/xhtml">
1.18 + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id="
1.19 + target="_blank">Mozilla Bug 777385</a>
1.20 + </body>
1.21 +
1.22 + <!-- test code goes here -->
1.23 + <script type="application/javascript">
1.24 + <![CDATA[
1.25 + /** Test for Bug 777385 **/
1.26 +
1.27 + let Cu = Components.utils;
1.28 +
1.29 + let live_map = new WeakMap;
1.30 +
1.31 + let get_div_style = function () {
1.32 + return document.getElementById("mydivname").style;
1.33 + }
1.34 +
1.35 + let make_live_map = function () {
1.36 + let my_div_style = get_div_style();
1.37 + let div_fail = false;
1.38 + try {
1.39 + live_map.set(my_div_style, 12345);
1.40 + } catch (e) {
1.41 + div_fail = true;
1.42 + }
1.43 + ok(!div_fail, "Using elem.style as a weak map key should not produce an exception.");
1.44 +
1.45 + is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value before GC.");
1.46 +
1.47 + }
1.48 +
1.49 + make_live_map();
1.50 +
1.51 + // RGBColor is a non-nsISupports refCounted class using WebIDL bindings.
1.52 +
1.53 + // non-nsISupports cycle-collected classes should fail as weak map keys.
1.54 + let context = window.getComputedStyle(document.documentElement, null).getPropertyCSSValue("color").getRGBColorValue();
1.55 + let contextFail = false;
1.56 + try {
1.57 + live_map.set(context, 2);
1.58 + } catch (e) {
1.59 + contextFail = true;
1.60 + }
1.61 +
1.62 + ok(contextFail, "Cycle collected non-nsISupports classes aren't allowed as weak map keys.");
1.63 +
1.64 + /* Set up for running precise GC/CC then check the results. */
1.65 +
1.66 + SimpleTest.waitForExplicitFinish();
1.67 +
1.68 + Cu.schedulePreciseGC(function () {
1.69 + SpecialPowers.DOMWindowUtils.cycleCollect();
1.70 + SpecialPowers.DOMWindowUtils.garbageCollect();
1.71 + SpecialPowers.DOMWindowUtils.garbageCollect();
1.72 +
1.73 + is(Cu.nondeterministicGetWeakMapKeys(live_map).length, 1,
1.74 + "Live nsISupports new DOM bindings wrappercached native weak map key should not be removed.");
1.75 +
1.76 + is(live_map.get(get_div_style()), 12345, "Live map should have live style with right value after GC.");
1.77 +
1.78 + SimpleTest.finish();
1.79 + });
1.80 +
1.81 + ]]>
1.82 + </script>
1.83 +</window>
