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/setPrototypeOf/not-extensible-target-not-same-target-prototype.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/setPrototypeOf/not-extensible-target-not-same-target-prototype.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js b/js/src/tests/test262/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js new file mode 100644 index 0000000000..3c59f9a50e --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js @@ -0,0 +1,55 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.2 +description: > + Throws a TypeError exception if boolean trap result is true, target is + not extensible, and the given parameter is not the same object as the target + prototype. +info: | + [[SetPrototypeOf]] (V) + + ... + 2. Let handler be the value of the [[ProxyHandler]] internal slot of O. + ... + 5. Let target be the value of the [[ProxyTarget]] internal slot of O. + 6. Let trap be GetMethod(handler, "setPrototypeOf"). + ... + 9. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, V»)). + 14. Let targetProto be target.[[GetPrototypeOf]](). + 15. ReturnIfAbrupt(targetProto). + 16. If booleanTrapResult is true and SameValue(V, targetProto) is false, + throw a TypeError exception. + ... +features: [Proxy, Reflect, Reflect.setPrototypeOf] +---*/ + +var target, proxy; +target = {}; +proxy = new Proxy(target, { + setPrototypeOf: function() { + return true; + } +}); + +Object.preventExtensions(target); + +assert.throws(TypeError, function() { + Reflect.setPrototypeOf(proxy, {}); +}, "target prototype is different"); + +var proto = {}; +target = Object.setPrototypeOf({}, proto); +proxy = new Proxy(target, { + setPrototypeOf: function() { + Object.setPrototypeOf(target, {}); + Object.preventExtensions(target); + return true; + } +}); + +assert.throws(TypeError, function() { + Reflect.setPrototypeOf(proxy, proto); +}, "target prototype is changed inside trap handler"); + +reportCompare(0, 0); |