test262/test/language/expressions/delete/11.4.1-4.a-10.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: >
    This test is actually testing the [[Delete]] internal method (8.12.8). Since the
    language provides no way to directly exercise [[Delete]], the tests are placed here.
es5id: 11.4.1-4.a-10
description: >
    delete operator returns true for property (stringify) defined on
    built-in object (JSON)
---*/

var d = delete JSON.stringify;

assert.sameValue(d, true, 'd');
assert.sameValue(JSON.stringify, undefined, 'JSON.stringify');