js/xpconnect/tests/mochitest/test_bug960820.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/xpconnect/tests/mochitest/test_bug960820.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,56 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<!--
     1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=960820
     1.8 +-->
     1.9 +<head>
    1.10 +  <meta charset="utf-8">
    1.11 +  <title>Test for Bug 960820</title>
    1.12 +  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    1.13 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    1.14 +  <script type="application/javascript">
    1.15 +
    1.16 +  /** Test for exception stacks crossing **/
    1.17 +
    1.18 +  // Synchronous event dispatch creates a new script entry point. At the time
    1.19 +  // of this writing, an event listener defined in a Sandbox will cause the
    1.20 +  // SafeJSContext to be pushed to the cx stack, which differs from the JSContext
    1.21 +  // associated with this DOM window. So we test both kinds of boundaries.
    1.22 +  var sb = new SpecialPowers.Cu.Sandbox(SpecialPowers.Services.scriptSecurityManager.getSystemPrincipal());
    1.23 +  sb.win = window;
    1.24 +  SpecialPowers.Cu.evalInSandbox("win.document.addEventListener('click', " +
    1.25 +                                 "function clickHandler() { win.wrappedJSObject.clickCallback(); });", sb);
    1.26 +  function clickCallback() {
    1.27 +    var stack = (new Error()).stack;
    1.28 +    ok(true, "Invoked clickCallback. Stack: " + stack);
    1.29 +    ok(/clickCallback/.test(stack), "clickCallback should be in the stack");
    1.30 +    ok(!/clickHandler/.test(stack), "clickHandler should not be in the stack");
    1.31 +    ok(/dispatchClick/.test(stack), "dispatchClick should be in the stack");
    1.32 +
    1.33 +    // Check Components.stack, but first filter through the SpecialPowers junk.
    1.34 +    var stack = SpecialPowers.wrap(SpecialPowers.Components).stack;
    1.35 +    while (/specialpowers/.test(stack)) {
    1.36 +      stack = stack.caller;
    1.37 +    }
    1.38 +    ok(/clickCallback/.test(stack), "clickCallback should be reachable via Components.stack");
    1.39 +    ok(/clickHandler/.test(stack.caller), "clickHandler should be reachable via Components.stack");
    1.40 +    ok(/dispatchClick/.test(stack.caller.caller), "dispatchClick hould be reachable via Components.stack");
    1.41 +  }
    1.42 +  function dispatchClick() {
    1.43 +    document.dispatchEvent(new MouseEvent('click'));
    1.44 +  }
    1.45 +  dispatchClick();
    1.46 +
    1.47 +
    1.48 +  </script>
    1.49 +</head>
    1.50 +<body>
    1.51 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=960820">Mozilla Bug 960820</a>
    1.52 +<p id="display"></p>
    1.53 +<div id="content" style="display: none">
    1.54 +
    1.55 +</div>
    1.56 +<pre id="test">
    1.57 +</pre>
    1.58 +</body>
    1.59 +</html>

mercurial