1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/test/mochitest/test_GCrace.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +<head>
1.5 + <title>GC race with actors on the parent</title>
1.6 +
1.7 + <script type="text/javascript"
1.8 + src="/tests/SimpleTest/SimpleTest.js"></script>
1.9 + <script type="text/javascript" src="utils.js"></script>
1.10 + <link rel="stylesheet" type="text/css"
1.11 + href="/tests/SimpleTest/test.css" />
1.12 +<body onload="start()">
1.13 + <p id="display"></p>
1.14 +
1.15 + <script class="testbody" type="application/javascript">
1.16 + SimpleTest.waitForExplicitFinish();
1.17 + setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
1.18 +
1.19 + function start() {
1.20 + if (!SimpleTest.testPluginIsOOP()) {
1.21 + ok(true, "Skipping this test when test plugin is not OOP.");
1.22 + SimpleTest.finish();
1.23 + return;
1.24 + }
1.25 + else {
1.26 + if (navigator.platform.startsWith("Win")) {
1.27 + SimpleTest.expectAssertions(0, 350);
1.28 + }
1.29 +
1.30 + setTimeout(checkGCRace, 1000);
1.31 + }
1.32 + }
1.33 +
1.34 + var nested = false;
1.35 +
1.36 + function cb(f) {
1.37 + ok(!nested, "Callback shouldn't occur in a nested stack frame");
1.38 + try {
1.39 + f(35);
1.40 + ok(true, "Callback was called, no crash");
1.41 + }
1.42 + catch (e) {
1.43 + ok(false, "Exception calling callback object: " + e);
1.44 + }
1.45 + SimpleTest.executeSoon(removePlugin);
1.46 + }
1.47 +
1.48 + function removePlugin() {
1.49 + var p = document.getElementById('p');
1.50 + p.parentNode.removeChild(p);
1.51 + p = null;
1.52 + SpecialPowers.Cu.forceGC();
1.53 + SimpleTest.finish();
1.54 + }
1.55 +
1.56 + function checkGCRace() {
1.57 + nested = true;
1.58 +
1.59 + // The plugin will hand back a function and immediately sleep.
1.60 + // We will lose our only reference to the function and force GC, followed
1.61 + // by calling us with that function object again. We should be able to
1.62 + // call the function and not crash.
1.63 + var p = document.getElementById('p');
1.64 + var f = p.checkGCRace(cb);
1.65 + f = null; // 'f' should be collected next GC
1.66 +
1.67 + nested = false;
1.68 +
1.69 + setTimeout(function() {
1.70 + SpecialPowers.Cu.forceGC();
1.71 + }, 2000);
1.72 + }
1.73 + </script>
1.74 +
1.75 + <embed id="p" type="application/x-test" wmode="window"></embed>
