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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/xpconnect/tests/mochitest/test_weakRefs_cross_compartment.html')
| -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> |