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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+ <head>
+ <meta charset="utf-8">
+ <title>Test WeakRef works when target is in different compartment in the browser</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript">
+ function go() {
+ SimpleTest.waitForExplicitFinish();
+
+ let Cu = SpecialPowers.Cu;
+ let isSameCompartment = Cu.getJSTestingFunctions().isSameCompartment;
+
+ // Open a new window, which will be from different compartment.
+ let win = window.open();
+ is(isSameCompartment(win, window), false,
+ "Test for opeing a window from a different compartment.");
+
+ let wr1, wr2, wr3;
+ {
+ let obj = {};
+
+ // WeakRef and target are both from different compartment.
+ wr1 = new win.WeakRef(new win.Object());
+
+ // WeakRef is same compartment, but target isn't.
+ wr2 = new WeakRef(new win.Object());
+
+ // WeakRef is in different compartment, but target is.
+ wr3 = new win.WeakRef(obj);
+
+ obj = null;
+ }
+
+ // WeakRef should keep the target in the current task.
+ isnot(wr1.deref(), undefined, "wr1.deref() should return its target.");
+ isnot(wr2.deref(), undefined, "wr2.deref() should return its target.");
+ isnot(wr3.deref(), undefined, "we3.deref() should return its target.");
+
+ // Weakref should keep the target until the end of current Job, that
+ // includes microtask(Promise).
+ Promise.resolve().then(() => {
+ isnot(wr1.deref(), undefined,
+ "wr1.deref() should return its target in promise");
+ isnot(wr2.deref(), undefined,
+ "wr2.deref() should return its target in promise");
+ isnot(wr3.deref(), undefined,
+ "wr3.deref() should return its target in promise");
+ });
+
+ // setTimeout will launch a new job and call ClearKeptObjects().
+ setTimeout(() => {
+ // Call gc() forcibly to clear the target of wr.
+ SpecialPowers.DOMWindowUtils.garbageCollect();
+
+ is(wr1.deref(), undefined, "wr1.deref() should return undefined in the new job.");
+ is(wr2.deref(), undefined, "wr2.deref() should return undefined in the new job.");
+ is(wr3.deref(), undefined, "wr3.deref() should return undefined in the new job.");
+
+ win.close();
+ SimpleTest.finish();
+ }, 0);
+ }
+
+ </script>
+ </head>
+ <body onload="go()"></body>
+</html>