test262/test/built-ins/JSON/prop-desc.js

41 lines
1.1 KiB
JavaScript

// 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-json-object
description: >
Property descriptor of JSON
info: |
The JSON Object
...
The JSON object does not have a [[Construct]] internal method;
it is not possible to use the JSON object as a constructor with the new operator.
The JSON object does not have a [[Call]] internal method;
it is not possible to invoke the JSON object as a function.
17 ECMAScript Standard Built-in Objects:
Every other data property described in clauses 18 through 26 and in Annex B.2
has the attributes { [[Writable]]: true, [[Enumerable]]: false,
[[Configurable]]: true } unless otherwise specified.
includes: [propertyHelper.js]
---*/
assert.sameValue(typeof JSON, "object");
assert.throws(TypeError, function() {
JSON();
}, "no [[Call]]");
assert.throws(TypeError, function() {
new JSON();
}, "no [[Construct]]");
verifyProperty(this, "JSON", {
enumerable: false,
writable: true,
configurable: true
});