// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-internalizejsonproperty description: > Abrupt completion from array "length" property access while reviving info: | JSON.parse ( text [ , reviver ] ) [...] 7. If IsCallable(reviver) is true, then [...] e. Return ? InternalizeJSONProperty(root, rootName). Runtime Semantics: InternalizeJSONProperty ( holder, name) 1. Let val be ? Get(holder, name). 2. If Type(val) is Object, then a. Let isArray be ? IsArray(val). b. If isArray is true, then i. Set I to 0. ii. Let len be ? ToLength(? Get(val, "length")). features: [Proxy] ---*/ var badLength = new Proxy([], { get: function(_, name) { if (name === 'length') { throw new Test262Error(); } } }); assert.throws(Test262Error, function() { JSON.parse('[0,0]', function() { this[1] = badLength; }); }); reportCompare(0, 0);