From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../trap-is-null-target-is-proxy.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js (limited to 'js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js') diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js new file mode 100644 index 0000000000..c35cf085b1 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js @@ -0,0 +1,29 @@ +// 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-preventextensions +description: > + If "preventExtensions" trap is null or undefined, [[PreventExtensions]] call + is properly forwarded to [[ProxyTarget]] (which is also a Proxy object). +info: | + [[PreventExtensions]] ( ) + + [...] + 4. Let target be O.[[ProxyTarget]]. + 5. Let trap be ? GetMethod(handler, "preventExtensions"). + 6. If trap is undefined, then + a. Return ? target.[[PreventExtensions]](). +features: [Proxy] +---*/ + +var plainObject = {}; +var plainObjectTarget = new Proxy(plainObject, {}); +var plainObjectProxy = new Proxy(plainObjectTarget, { + preventExtensions: null, +}); + +Object.preventExtensions(plainObjectProxy); +assert(!Object.isExtensible(plainObject)); + +reportCompare(0, 0); -- cgit v1.2.3