test_scriptSettings.xhtml (5487B)
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 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="./file_empty.html"></iframe> 19 <script type="application/javascript"> 20 <![CDATA[ 21 22 /** Test for the script settings stack. */ 23 SimpleTest.waitForExplicitFinish(); 24 SpecialPowers.pushPrefEnv({"set": [["security.allow_eval_with_system_principal", 25 true]]}); 26 addLoadEvent(function() { 27 let 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 Cu.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.withResolvers(); 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.withResolvers(); 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.withResolvers(); 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.withResolvers(); 87 iwin.wrappedJSObject.timeoutFun2 = Cu.getIncumbentGlobal.bind(Cu, makeCallback(iwin, d, "cross-global setTimeout of scripted function")); 88 iwin.eval('var 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.withResolvers(); 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.PointerEvent('click')); 98 return d.promise; 99 100 }).then(function() { 101 102 // Try an event handler set by |iwin|. 103 let d = Promise.withResolvers(); 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.withResolvers(); 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>