mirror of https://github.com/tc39/test262.git
47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-internalizejsonproperty
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description: Abrupt completion from defining array property while reviving
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info: |
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JSON.parse ( text [ , reviver ] )
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[...]
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7. If IsCallable(reviver) is true, then
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[...]
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e. Return ? InternalizeJSONProperty(root, rootName).
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Runtime Semantics: InternalizeJSONProperty ( holder, name)
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1. Let val be ? Get(holder, name).
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2. If Type(val) is Object, then
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a. Let isArray be ? IsArray(val).
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b. If isArray is true, then
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i. Set I to 0.
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ii. Let len be ? ToLength(? Get(val, "length")).
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iii. Repeat while I < len,
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1. Let newElement be ? InternalizeJSONProperty(val, !
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ToString(I)).
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2. If newElement is undefined, then
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[...]
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3. Else,
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a. Perform ? CreateDataProperty(val, ! ToString(I),
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newElement).
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features: [Proxy]
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---*/
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var badDefine = new Proxy([null], {
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defineProperty: function(_, name) {
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throw new Test262Error();
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}
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});
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assert.throws(Test262Error, function() {
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JSON.parse('["first", null]', function(_, value) {
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if (value === 'first') {
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this[1] = badDefine;
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}
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return value;
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});
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});
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