test_discardSystemSource.xhtml (3335B)
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=990353 6 --> 7 <window title="Mozilla Bug 990353" 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=990353" 14 target="_blank">Mozilla Bug 990353</a> 15 </body> 16 17 <!-- test code goes here --> 18 <script type="application/javascript"> 19 <![CDATA[ 20 /** Test for Bug 990353 */ 21 SimpleTest.waitForExplicitFinish(); 22 23 function canary() { 24 // eslint-disable-next-line no-unused-vars 25 var someBitOfSource = 42; 26 } 27 28 var gLoadCount = 0; 29 function frameLoaded() { 30 switch (++gLoadCount) { 31 case 1: 32 ok(/native code/.test(window[0].canary.toString()), "System function should be sourceless: " + window[0].canary.toString()); 33 ok(/native code/.test(window[0].onload.toString()), "System event handler should be sourceless: " + window[0].onload.toString()); 34 var sb = new Cu.Sandbox("https://www.example.com", { discardSource: true }); 35 Cu.evalInSandbox('function canary() { var someBitOfSource = 42; }', sb); 36 ok(/native code/.test(sb.canary.toString()), "Function from sandbox with explicit discarding should be sourceless"); 37 try { 38 window[0].throwSomething(); 39 ok(false, "should have thrown"); 40 } catch (e) { 41 ok(/some error/.test(e), "Threw exception as expected: " + e); 42 ok(/throwSomething/.test(e.stack), "Exception stack trace works: " + e.stack); 43 } 44 window[0].location = "https://example.org/tests/js/xpconnect/tests/chrome/file_discardSystemSource.html"; 45 break; 46 case 2: 47 ok(/someBitOfSource/.test(Cu.waiveXrays(window[0]).canary.toString()), "Content function should have source"); 48 ok(/someBitOfSource/.test(Cu.waiveXrays(window[0]).onload.toString()), "Content event handler should have source"); 49 testWorker(); 50 break; 51 } 52 } 53 54 function testWorker() { 55 var worker = new window[0].wrappedJSObject.Worker('worker_discardSystemSource.js'); 56 worker.onmessage = function(evt) { 57 ok(/someBitOfSource/.test(evt.data), "Non-chrome worker should have source: " + evt.data); 58 var chromeWorker = new Worker('worker_discardSystemSource.js'); 59 chromeWorker.onmessage = function(evt) { 60 ok(/native code/.test(evt.data), "Chrome worker should not have source: " + evt.data); 61 SimpleTest.finish(); 62 } 63 } 64 } 65 66 function go() { 67 // We should have our own source, because the pref wasn't enabled when we 68 // were loaded. 69 ok(/someBitOfSource/.test(canary.toString()), "Should have own source"); 70 71 window[0].frameElement.onload = frameLoaded; 72 window[0].location = "chrome://mochitests/content/chrome/js/xpconnect/tests/chrome/file_discardSystemSource.html"; 73 } 74 addLoadEvent(function() { 75 SpecialPowers.pushPrefEnv({set: [['javascript.options.discardSystemSource', true]]}, go); 76 }); 77 78 ]]> 79 </script> 80 <iframe></iframe> 81 </window>