test_executeInGlobal-outerized_this.html (2929B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=837060 5 6 When we use Debugger.Object.prototype.executeInGlobal, the 'this' value seen 7 by the evaluated code should be the WindowProxy, not the inner window 8 object. 9 --> 10 <head> 11 <meta charset="utf-8"> 12 <title>Mozilla Bug 837060</title> 13 <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> 14 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> 15 </head> 16 <body> 17 <pre id="test"> 18 <script> 19 "use strict"; 20 21 const {addDebuggerToGlobal} = ChromeUtils.importESModule("resource://gre/modules/jsdebugger.sys.mjs"); 22 addDebuggerToGlobal(globalThis); 23 24 window.onload = function() { 25 SimpleTest.waitForExplicitFinish(); 26 27 const iframe = document.createElement("iframe"); 28 iframe.src = "data:text/html,<script>var me = 'page 1';<\/script>"; 29 iframe.onload = firstOnLoadHandler; 30 document.body.appendChild(iframe); 31 32 function firstOnLoadHandler() { 33 const dbg = new Debugger(); 34 const page1DO = dbg.addDebuggee(iframe.contentWindow); 35 iframe.src = "data:text/html,<script>var me = 'page 2';<\/script>"; 36 iframe.onload = function() { 37 const page2DO = dbg.addDebuggee(iframe.contentWindow); 38 ok(page1DO !== page2DO, "the two pages' globals get distinct D.O's"); 39 ok(page1DO.unsafeDereference() === page2DO.unsafeDereference(), 40 "unwrapping page1DO and page2DO outerizes both, yielding the same outer window"); 41 42 is(page1DO.executeInGlobal("me").return, 43 "page 1", "page1DO continues to refer to original page"); 44 is(page2DO.executeInGlobal("me").return, "page 2", 45 "page2DO refers to current page"); 46 47 is(page1DO.executeInGlobal("this === window").return, true, 48 "page 1: Debugger.Object.prototype.executeInGlobal should outerize 'this'"); 49 is(page1DO.executeInGlobalWithBindings("this === window", {x: 2}).return, true, 50 "page 1: Debugger.Object.prototype.executeInGlobal should outerize 'this'"); 51 52 is(page2DO.executeInGlobal("this === window").return, true, 53 "page 2: Debugger.Object.prototype.executeInGlobal should outerize 'this'"); 54 is(page2DO.executeInGlobalWithBindings("this === window", {x: 2}).return, true, 55 "page 2: Debugger.Object.prototype.executeInGlobal should outerize 'this'"); 56 57 // Debugger doesn't let one use outer windows as globals. You have to innerize. 58 const outerDO = page1DO.makeDebuggeeValue(page1DO.unsafeDereference()); 59 ok(outerDO !== page1DO, 60 "outer window gets its own D.O, distinct from page 1's global"); 61 ok(outerDO !== page2DO, 62 "outer window gets its own D.O, distinct from page 2's global"); 63 SimpleTest.doesThrow(() => outerDO.executeInGlobal("me"), 64 "outer window D.Os can't be used as globals"); 65 66 SimpleTest.finish(); 67 }; 68 } 69 }; 70 </script> 71 </pre> 72 </body> 73 </html>