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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/test262/built-ins/Proxy/getPrototypeOf/not-extensible-not-same-proto-throws.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/test262/built-ins/Proxy/getPrototypeOf/not-extensible-not-same-proto-throws.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-not-same-proto-throws.js b/js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-not-same-proto-throws.js new file mode 100644 index 0000000000..8d454a5aa4 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-not-same-proto-throws.js @@ -0,0 +1,45 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.1 +description: > + Throws a TypeError if the target is not extensible and the trap result is + not the same as the target.[[GetPrototypeOf]] result. +info: | + [[GetPrototypeOf]] ( ) + + ... + 1. Let handler be the value of the [[ProxyHandler]] internal slot of O. + ... + 4. Let target be the value of the [[ProxyTarget]] internal slot of O. + 5. Let trap be GetMethod(handler, "getPrototypeOf"). + ... + 8. Let handlerProto be Call(trap, handler, «target»). + ... + 11. Let extensibleTarget be IsExtensible(target). + ... + 14. Let targetProto be target.[[GetPrototypeOf]](). + 15. ReturnIfAbrupt(targetProto). + 16. If SameValue(handlerProto, targetProto) is false, throw a TypeError + exception. + ... +features: [Proxy] +---*/ + +var target = Object.create({ + foo: 1 +}); + +var p = new Proxy(target, { + getPrototypeOf: function() { + return {}; + } +}); + +Object.preventExtensions(target); + +assert.throws(TypeError, function() { + Object.getPrototypeOf(p); +}); + +reportCompare(0, 0); |