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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html b/js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html new file mode 100644 index 0000000000..87e509b535 --- /dev/null +++ b/js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html @@ -0,0 +1,68 @@ +<!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> |