// 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 defining array property 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")). iii. Repeat while I < len, 1. Let newElement be ? InternalizeJSONProperty(val, ! ToString(I)). 2. If newElement is undefined, then [...] 3. Else, a. Perform ? CreateDataProperty(val, ! ToString(I), newElement). features: [Proxy] ---*/ var badDefine = new Proxy([null], { defineProperty: function(_, name) { throw new Test262Error(); } }); assert.throws(Test262Error, function() { JSON.parse('["first", null]', function(_, value) { if (value === 'first') { this[1] = badDefine; } return value; }); });