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comparison: toolkit/devtools/server/tests/mochitest/test_makeGlobalObjectReference.html
toolkit/devtools/server/tests/mochitest/test_makeGlobalObjectReference.html
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| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 https://bugzilla.mozilla.org/show_bug.cgi?id=914405 | |
| 5 | |
| 6 Debugger.prototype.makeGlobalObjectReference should dereference WindowProxy | |
| 7 (outer window) objects. | |
| 8 --> | |
| 9 <head> | |
| 10 <meta charset="utf-8"> | |
| 11 <title>Mozilla Bug 914405</title> | |
| 12 <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> | |
| 13 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"> | |
| 14 </head> | |
| 15 <body> | |
| 16 <pre id="test"> | |
| 17 <script> | |
| 18 | |
| 19 Components.utils.import("resource://gre/modules/jsdebugger.jsm"); | |
| 20 addDebuggerToGlobal(this); | |
| 21 | |
| 22 window.onload = function () { | |
| 23 SimpleTest.waitForExplicitFinish(); | |
| 24 | |
| 25 var iframe = document.createElement("iframe"); | |
| 26 iframe.src = "data:text/html,<html>The word 'smorgasbord', spoken by an adorably plump child, symbolizing prosperity</html>"; | |
| 27 iframe.onload = iframeOnLoad; | |
| 28 document.body.appendChild(iframe); | |
| 29 | |
| 30 function iframeOnLoad() { | |
| 31 var dbg = new Debugger; | |
| 32 | |
| 33 var g1o = iframe.contentWindow; // 'o' for 'outer window' | |
| 34 ok(!dbg.hasDebuggee(g1o), "iframe is not initially a debuggee"); | |
| 35 | |
| 36 // Like addDebuggee, makeGlobalObjectReference innerizes. | |
| 37 // 'i' stands for 'inner window'. | |
| 38 // 'DO' stands for 'Debugger.Object'. | |
| 39 var g1iDO = dbg.makeGlobalObjectReference(g1o); | |
| 40 ok(!dbg.hasDebuggee(g1o), "makeGlobalObjectReference does not add g1 as debuggee, designated via outer"); | |
| 41 ok(!dbg.hasDebuggee(g1iDO), "makeGlobalObjectReference does not add g1 as debuggee, designated via D.O "); | |
| 42 | |
| 43 // Wrapping an object automatically outerizes it, so dereferencing an | |
| 44 // inner object D.O gets you an outer object. | |
| 45 // ('===' does distinguish inner and outer objects.) | |
| 46 // (That's a capital '=', if you must know.) | |
| 47 ok(g1iDO.unsafeDereference() === g1o, "g1iDO has the right referent"); | |
| 48 | |
| 49 // However, Debugger.Objects do distinguish inner and outer windows. | |
| 50 var g1oDO = g1iDO.makeDebuggeeValue(g1o); | |
| 51 ok(g1iDO !== g1oDO, "makeDebuggeeValue doesn't innerize"); | |
| 52 ok(g1iDO.unsafeDereference() === g1oDO.unsafeDereference(), | |
| 53 "unsafeDereference() outerizes, so inner and outer window D.Os both dereference to outer"); | |
| 54 | |
| 55 ok(dbg.addDebuggee(g1o) === g1iDO, "addDebuggee returns the inner window's D.O"); | |
| 56 ok(dbg.hasDebuggee(g1o), "addDebuggee adds the correct global"); | |
| 57 ok(dbg.hasDebuggee(g1iDO), "hasDebuggee can take a D.O referring to the inner window"); | |
| 58 ok(dbg.hasDebuggee(g1oDO), "hasDebuggee can take a D.O referring to the outer window"); | |
| 59 | |
| 60 var iframe2 = document.createElement("iframe"); | |
| 61 iframe2.src = "data:text/html,<html>Her retrospection, in hindsight, was prescient.</html>"; | |
| 62 iframe2.onload = iframe2OnLoad; | |
| 63 document.body.appendChild(iframe2); | |
| 64 | |
| 65 function iframe2OnLoad() { | |
| 66 // makeGlobalObjectReference dereferences CCWs. | |
| 67 var g2o = iframe2.contentWindow; | |
| 68 g2o.g1o = g1o; | |
| 69 | |
| 70 var g2iDO = dbg.addDebuggee(g2o); | |
| 71 var g2g1oDO = g2iDO.getOwnPropertyDescriptor('g1o').value; | |
| 72 ok(g2g1oDO !== g1oDO, "g2's cross-compartment wrapper for g1o gets its own D.O"); | |
| 73 ok(g2g1oDO.unwrap() === g1oDO, | |
| 74 "unwrapping g2's cross-compartment wrapper for g1o gets the right D.O"); | |
| 75 ok(dbg.makeGlobalObjectReference(g2g1oDO) === g1iDO, | |
| 76 "makeGlobalObjectReference unwraps cross-compartment wrappers, and innerizes"); | |
| 77 | |
| 78 SimpleTest.finish(); | |
| 79 } | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 </script> | |
| 84 </pre> | |
| 85 </body> | |
| 86 </html> |
