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/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-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 'js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js new file mode 100644 index 0000000000..266db31b77 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js @@ -0,0 +1,33 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-proxy-object-internal-methods-and-internal-slots-isextensible +description: > + If "isExtensible" trap is null or undefined, [[IsExtensible]] call is + properly forwarded to [[ProxyTarget]] (which is also a Proxy object). +info: | + [[IsExtensible]] ( ) + + [...] + 4. Let target be O.[[ProxyTarget]]. + 5. Let trap be ? GetMethod(handler, "isExtensible"). + 6. If trap is undefined, then + a. Return ? IsExtensible(target). + + IsExtensible ( O ) + + 1. Assert: Type(O) is Object. + 2. Return ? O.[[IsExtensible]](). +features: [Proxy] +---*/ + +var regExp = /(?:)/g; +Object.preventExtensions(regExp); + +var regExpTarget = new Proxy(regExp, {}); +var regExpProxy = new Proxy(regExpTarget, {}); + +assert(!Object.isExtensible(regExpProxy)); + +reportCompare(0, 0); |