Symbol.toStringTag.js

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// |reftest| module

// Copyright (C) 2016 the V8 project authors. All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

es6id: 26.3.1

esid: sec-@@tostringtag

description: >

    `Symbol.toStringTag` property descriptor

info: |

    The initial value of the @@toStringTag property is the String value

    "Module".

    This property has the attributes { [[Writable]]: false, [[Enumerable]]:

    false, [[Configurable]]: false }.

flags: [module]

features: [Symbol.toStringTag]

---*/

import * as ns from './Symbol.toStringTag.js';

assert.sameValue(ns[Symbol.toStringTag], 'Module');

// propertyHelper.js is not appropriate for this test because it assumes that

// the object exposes the ordinary object's implementation of [[Get]], [[Set]],

// [[Delete]], and [[OwnPropertyKeys]], which the module namespace exotic

// object does not.

var desc = Object.getOwnPropertyDescriptor(ns, Symbol.toStringTag);

assert.sameValue(desc.enumerable, false, 'reports as non-enumerable');

assert.sameValue(desc.writable, false, 'reports as non-writable');

assert.sameValue(desc.configurable, false, 'reports as non-configurable');

reportCompare(0, 0);