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Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-same-proto.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-same-proto.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-same-proto.js b/js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-same-proto.js new file mode 100644 index 0000000000..3ee48b1581 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/getPrototypeOf/not-extensible-same-proto.js @@ -0,0 +1,40 @@ +// 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: > + Return trap result is target is not extensible, but trap result has the same + value as 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]](). + ... + 17. Return handlerProto. + +features: [Proxy] +---*/ + +var target = Object.create(Array.prototype); + +var p = new Proxy(target, { + getPrototypeOf: function() { + return Array.prototype; + } +}); + +Object.preventExtensions(target); + +assert.sameValue(Object.getPrototypeOf(p), Array.prototype); + +reportCompare(0, 0); |