diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/browser/browser_freeze_builtins.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/browser/browser_freeze_builtins.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/xpconnect/tests/browser/browser_freeze_builtins.js b/js/xpconnect/tests/browser/browser_freeze_builtins.js new file mode 100644 index 0000000000..905224094e --- /dev/null +++ b/js/xpconnect/tests/browser/browser_freeze_builtins.js @@ -0,0 +1,27 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +function checkCtor(global, name, description) { + ok(Object.isFrozen(global[name]), `${description} ${name} is frozen`); + ok( + Object.isSealed(global[name].prototype), + `${description} ${name}.prototype is sealed` + ); + + let descr = Object.getOwnPropertyDescriptor(global, name); + ok(!descr.configurable, `${description} ${name} should be non-configurable`); + ok(!descr.writable, `${description} ${name} should not be writable`); +} + +function checkGlobal(global, description) { + checkCtor(global, "Object", description); + checkCtor(global, "Array", description); + checkCtor(global, "Function", description); +} + +add_task(async function () { + let systemGlobal = Cu.getGlobalForObject(Services); + checkGlobal(systemGlobal, "system global"); +}); |