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comparison: js/xpconnect/tests/chrome/test_scriptSettings.xul

js/xpconnect/tests/chrome/test_scriptSettings.xul

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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"/>
10
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>
16
17 <!-- test code goes here -->
18 <iframe src="data:text/html,"></iframe>
19 <script type="application/javascript">
20 <![CDATA[
21
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];
28
29 // Smoketest.
30 is(Cu.getIncumbentGlobal(), window, "smoketest");
31
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");
37
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");
45
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');
50
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 }
61
62 var bound = Cu.getIncumbentGlobal.bind(Cu, makeCallback(window, undefined, "simple bound"));
63 is(bound(), window, "Bound method returns the right global");
64
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() {
71
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() {
77
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() {
84
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() {
92
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;
99
100 }).then(function() {
101
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;
109
110 }).then(function() {
111
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() {
120
121 SimpleTest.finish();
122 });
123 });
124
125 ]]>
126 </script>
127 </window>

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