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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/src/tests/non262/object/freeze-proxy.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.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/src/tests/non262/object/freeze-proxy.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/non262/object/freeze-proxy.js b/js/src/tests/non262/object/freeze-proxy.js new file mode 100644 index 0000000000..3d95a28d4f --- /dev/null +++ b/js/src/tests/non262/object/freeze-proxy.js @@ -0,0 +1,27 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +function logProxy(object = {}, handler = {}) { + var log = []; + var proxy = new Proxy(object, new Proxy(handler, { + get(target, propertyKey, receiver) { + log.push(propertyKey); + return target[propertyKey]; + } + })); + return {proxy, log}; +} + +// The order of operations is backwards when compared to ES6 draft rev 27 +// (2014 August 24), but see https://bugs.ecmascript.org/show_bug.cgi?id=3215 +// for an explanation on why the spec version is clearly wrong. + +var {proxy, log} = logProxy(); +Object.freeze(proxy); +assertDeepEq(log, ["preventExtensions", "ownKeys"]); + +var {proxy, log} = logProxy(); +Object.freeze(Object.freeze(proxy)); +assertDeepEq(log, ["preventExtensions", "ownKeys", "preventExtensions", "ownKeys"]); + +reportCompare(0, 0); |