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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/unit/test_deepFreezeClone.js | |
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/unit/test_deepFreezeClone.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_deepFreezeClone.js b/js/xpconnect/tests/unit/test_deepFreezeClone.js new file mode 100644 index 0000000000..949b85f551 --- /dev/null +++ b/js/xpconnect/tests/unit/test_deepFreezeClone.js @@ -0,0 +1,31 @@ +function checkThrows(f, rgxp) { try { f(); do_check_false(); } catch (e) { Assert.ok(rgxp.test(e)); } } + +var o = { foo: 42, bar : { tick: 'tock' } }; +function checkClone(clone, frozen) { + var waived = Cu.waiveXrays(clone); + function touchFoo() { "use strict"; waived.foo = 12; Assert.equal(waived.foo, 12); } + function touchBar() { "use strict"; waived.bar.tick = 'tack'; Assert.equal(waived.bar.tick, 'tack'); } + function addProp() { "use strict"; waived.newProp = 100; Assert.equal(waived.newProp, 100); } + if (!frozen) { + touchFoo(); + touchBar(); + addProp(); + } else { + checkThrows(touchFoo, /read-only/); + checkThrows(touchBar, /read-only/); + checkThrows(addProp, /extensible/); + } + + var desc = Object.getOwnPropertyDescriptor(waived, 'foo'); + Assert.equal(desc.writable, !frozen); + Assert.equal(desc.configurable, !frozen); + desc = Object.getOwnPropertyDescriptor(waived.bar, 'tick'); + Assert.equal(desc.writable, !frozen); + Assert.equal(desc.configurable, !frozen); +} + +function run_test() { + var sb = new Cu.Sandbox(null); + checkClone(Cu.waiveXrays(Cu.cloneInto(o, sb)), false); + checkClone(Cu.cloneInto(o, sb, { deepFreeze: true }), true); +} |