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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /devtools/server/tests/chrome/test_makeGlobalObjectReference.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=914405
+
+Debugger.prototype.makeGlobalObjectReference should dereference WindowProxy
+(outer window) objects.
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Mozilla Bug 914405</title>
+ <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+</head>
+<body>
+<pre id="test">
+<script>
+"use strict";
+
+const {addSandboxedDebuggerToGlobal} = ChromeUtils.importESModule("resource://gre/modules/jsdebugger.sys.mjs");
+addSandboxedDebuggerToGlobal(globalThis);
+
+window.onload = function() {
+ SimpleTest.waitForExplicitFinish();
+
+ // Load one of our iframes over http to force it in a different compartment
+ // from the current window and the other iframe.
+ const iframe = document.createElement("iframe");
+ const baseURL = "http://mochi.test:8888/chrome/devtools/server/tests/chrome/";
+ iframe.src = baseURL + "iframe1_makeGlobalObjectReference.html";
+ iframe.onload = iframeOnLoad;
+ document.body.appendChild(iframe);
+
+ function iframeOnLoad() {
+ const dbg = new Debugger();
+
+ // 'o' for 'outer window'
+ const g1o = iframe.contentWindow;
+ ok(!dbg.hasDebuggee(g1o), "iframe is not initially a debuggee");
+
+ // Like addDebuggee, makeGlobalObjectReference innerizes.
+ // 'i' stands for 'inner window'.
+ // 'DO' stands for 'Debugger.Object'.
+ const g1iDO = dbg.makeGlobalObjectReference(g1o);
+ ok(!dbg.hasDebuggee(g1o),
+ "makeGlobalObjectReference does not add g1 as debuggee, designated via outer");
+ ok(!dbg.hasDebuggee(g1iDO),
+ "makeGlobalObjectReference does not add g1 as debuggee, designated via D.O ");
+
+ // Wrapping an object automatically outerizes it, so dereferencing an
+ // inner object D.O gets you an outer object.
+ // ('===' does distinguish inner and outer objects.)
+ // (That's a capital '=', if you must know.)
+ ok(g1iDO.unsafeDereference() === g1o, "g1iDO has the right referent");
+
+ // However, Debugger.Objects do distinguish inner and outer windows.
+ const g1oDO = g1iDO.makeDebuggeeValue(g1o);
+ ok(g1iDO !== g1oDO, "makeDebuggeeValue doesn't innerize");
+ ok(g1iDO.unsafeDereference() === g1oDO.unsafeDereference(),
+ "unsafeDereference() outerizes," +
+ " so inner and outer window D.Os both dereference to outer");
+
+ ok(dbg.addDebuggee(g1o) === g1iDO, "addDebuggee returns the inner window's D.O");
+ ok(dbg.hasDebuggee(g1o), "addDebuggee adds the correct global");
+ ok(dbg.hasDebuggee(g1iDO),
+ "hasDebuggee can take a D.O referring to the inner window");
+ ok(dbg.hasDebuggee(g1oDO),
+ "hasDebuggee can take a D.O referring to the outer window");
+
+ const iframe2 = document.createElement("iframe");
+ iframe2.src = "iframe2_makeGlobalObjectReference.html";
+ iframe2.onload = iframe2OnLoad;
+ document.body.appendChild(iframe2);
+
+ function iframe2OnLoad() {
+ // makeGlobalObjectReference dereferences CCWs.
+ const g2o = iframe2.contentWindow;
+ g2o.g1o = g1o;
+
+ const g2iDO = dbg.addDebuggee(g2o);
+ const g2g1oDO = g2iDO.getOwnPropertyDescriptor("g1o").value;
+ ok(g2g1oDO !== g1oDO, "g2's cross-compartment wrapper for g1o gets its own D.O");
+ ok(g2g1oDO.unwrap() === g1oDO,
+ "unwrapping g2's cross-compartment wrapper for g1o gets the right D.O");
+ ok(dbg.makeGlobalObjectReference(g2g1oDO) === g1iDO,
+ "makeGlobalObjectReference unwraps cross-compartment wrappers, and innerizes");
+
+ SimpleTest.finish();
+ }
+ }
+};
+
+</script>
+</pre>
+</body>
+</html>