js/xpconnect/tests/chrome/test_scriptSettings.xul

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 <?xml version="1.0"?>
     2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
     3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
     4 <!--
     5 https://bugzilla.mozilla.org/show_bug.cgi?id=937317
     6 -->
     7 <window title="Mozilla Bug 937317"
     8         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
     9   <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
    11   <!-- test results are displayed in the html:body -->
    12   <body xmlns="http://www.w3.org/1999/xhtml">
    13   <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=937317"
    14      target="_blank">Mozilla Bug 937317</a>
    15   </body>
    17   <!-- test code goes here -->
    18   <iframe src="data:text/html,"></iframe>
    19   <script type="application/javascript">
    20   <![CDATA[
    22   /** Test for the script settings stack. **/
    23   SimpleTest.waitForExplicitFinish();
    24   addLoadEvent(function() {
    25     const Cu = Components.utils;
    26     Cu.import("resource://gre/modules/Promise.jsm");
    27     iwin = window[0];
    29     // Smoketest.
    30     is(Cu.getIncumbentGlobal(), window, "smoketest");
    32     // Calling a cross-compartment non-scripted function changes the
    33     // compartment, but not the incumbent script settings object.
    34     var sb = new Cu.Sandbox(window, { wantComponents: true });
    35     is(sb.Components.utils.getIncumbentGlobal(), window, "cross-compartment sb non-scripted");
    36     is(iwin.Components.utils.getIncumbentGlobal(), window, "cross-compartment win non-scripted");
    38     // If we call a scripted function in the other compartment, that becomes
    39     // the incumbent script.
    40     function gib() { return Components.utils.getIncumbentGlobal(); };
    41     Cu.evalInSandbox(gib.toSource(), sb);
    42     iwin.eval(gib.toSource());
    43     is(sb.gib(), sb, "cross-compartment sb scripted");
    44     is(iwin.gib(), iwin, "cross-compartment win scripted");
    46     // Eval-ing top-level script in another component makes that compartment the
    47     // incumbent script.
    48     is(Cu.evalInSandbox('Components.utils.getIncumbentGlobal()', sb), sb, 'eval sb');
    49     is(iwin.eval('Components.utils.getIncumbentGlobal()'), iwin, 'eval iwin');
    51     // Make sure that the callback mechanism works.
    52     function makeCallback(expectedGlobal, deferred, kind) {
    53       function cb(incumbentGlobal) {
    54         is(incumbentGlobal, expectedGlobal, "Callback got the right incumbent global: " + kind);
    55         if (deferred)
    56           deferred.resolve();
    57       }
    58       info("Generated callback: " + kind);
    59       return cb;
    60     }
    62     var bound = Cu.getIncumbentGlobal.bind(Cu, makeCallback(window, undefined, "simple bound"));
    63     is(bound(), window, "Bound method returns the right global");
    65     // Callbacks grab the incumbent script at the time of invocation.
    66     //
    67     // Note - We avoid calling the initial defer |d| so that it's not in-scope for everything below.
    68     let initialDefer = Promise.defer();
    69     setTimeout(Cu.getIncumbentGlobal.bind(Cu, makeCallback(window, initialDefer, "same-global setTimeout")), 0);
    70     initialDefer.promise.then(function() {
    72       // Try cross-global setTimeout where |window| is the incumbent script when the callback is created.
    73       let d = Promise.defer();
    74       iwin.setTimeout(Cu.getIncumbentGlobal.bind(Cu, makeCallback(window, d, "cross-global setTimeout by |window|")), 0);
    75       return d.promise;
    76     }).then(function() {
    78       // Try cross-global setTimeout where |iwin| is the incumbent script when the callback is created.
    79       let d = Promise.defer();
    80       iwin.wrappedJSObject.timeoutFun = Cu.getIncumbentGlobal.bind(Cu, makeCallback(iwin, d, "cross-global setTimeout by |iwin|"));
    81       iwin.eval('setTimeout(timeoutFun, 0);');
    82       return d.promise;
    83     }).then(function() {
    85       // The incumbent script override doesn't take effect if the callback is scripted.
    86       let d = Promise.defer();
    87       iwin.wrappedJSObject.timeoutFun2 = Cu.getIncumbentGlobal.bind(Cu, makeCallback(iwin, d, "cross-global setTimeout of scripted function"));
    88       iwin.eval('let timeoutFun2Wrapper = function() { timeoutFun2(); }');
    89       setTimeout(iwin.wrappedJSObject.timeoutFun2Wrapper, 0);
    90       return d.promise;
    91     }).then(function() {
    93       // Try event listeners.
    94       let d = Promise.defer();
    95       let body = iwin.document.body;
    96       body.addEventListener('click', Cu.getIncumbentGlobal.bind(Cu, makeCallback(window, d, "cross-global event listener")));
    97       body.dispatchEvent(new iwin.MouseEvent('click'));
    98       return d.promise;
   100     }).then(function() {
   102       // Try an event handler set by |iwin|.
   103       let d = Promise.defer();
   104       let body = iwin.document.body;
   105       iwin.wrappedJSObject.handler = Cu.getIncumbentGlobal.bind(Cu, makeCallback(iwin, d, "cross-global event handler"));
   106       iwin.eval('document.body.onmousemove = handler');
   107       body.dispatchEvent(new iwin.MouseEvent('mousemove'));
   108       return d.promise;
   110     }).then(function() {
   112       // Try an event handler compiled by a content attribute.
   113       let d = Promise.defer();
   114       let body = iwin.document.body;
   115       iwin.wrappedJSObject.innerHandler = Cu.getIncumbentGlobal.bind(Cu, makeCallback(iwin, d, "cross-global compiled event handler"));
   116       iwin.eval("document.body.setAttribute('onmouseout', 'innerHandler()')");
   117       body.dispatchEvent(new iwin.MouseEvent('mouseout'));
   118       return d.promise;
   119     }).then(function() {
   121       SimpleTest.finish();
   122     });
   123   });
   125   ]]>
   126   </script>
   127 </window>

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