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 --- .../deleteProperty/trap-is-null-target-is-proxy.js | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-null-target-is-proxy.js (limited to 'js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-null-target-is-proxy.js') diff --git a/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-null-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-null-target-is-proxy.js new file mode 100644 index 0000000000..3ba8d7b741 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/deleteProperty/trap-is-null-target-is-proxy.js @@ -0,0 +1,43 @@ +// 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-delete-p +description: > + If "deleteProperty" trap is null or undefined, [[Delete]] call is + properly forwarded to [[ProxyTarget]] (which is also a Proxy object). +info: | + [[Delete]] ( P ) + + [...] + 5. Let target be O.[[ProxyTarget]]. + 6. Let trap be ? GetMethod(handler, "deleteProperty"). + 7. If trap is undefined, then + a. Return ? target.[[Delete]](P). +features: [Proxy, Reflect] +---*/ + +var stringTarget = new Proxy(new String("str"), {}); +var stringProxy = new Proxy(stringTarget, { + deleteProperty: null, +}); + +assert(!Reflect.deleteProperty(stringProxy, "length")); +assert.throws(TypeError, function() { + "use strict"; + delete stringProxy[0]; +}); + + +var regExpTarget = new Proxy(/(?:)/g, {}); +var regExpProxy = new Proxy(regExpTarget, { + deleteProperty: null, +}); + +assert(delete regExpProxy.foo); +assert.throws(TypeError, function() { + "use strict"; + delete regExpProxy.lastIndex; +}); + +reportCompare(0, 0); -- cgit v1.2.3