summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Object/defineProperty/symbol-data-property-default-strict-strict.js
blob: 9e6e7a4b81003fd20aeef6159ce8a40d19b1fcd5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
'use strict';
// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 19.1.2.4
description: >
    Symbol used as property for default data property definition
flags: [onlyStrict]
features: [Symbol]
includes: [propertyHelper.js]
---*/
var sym = Symbol();
var obj = {};


Object.defineProperty(obj, sym, {
  value: 1,
});

assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
verifyProperty(obj, sym, {
  value: 1,
  configurable: false,
  writable: false,
  enumerable: false,
});

assert.sameValue(
  Object.prototype.propertyIsEnumerable.call(obj, sym),
  false,
  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
);

assert.throws(TypeError, function() {
  delete obj[sym];
});

assert.notSameValue(
  Object.getOwnPropertyDescriptor(obj, sym),
  undefined,
  "`Object.getOwnPropertyDescriptor(obj, sym)` does not return `undefined`"
);

assert.throws(TypeError, function() {
  obj[sym] = 2;
});

assert.sameValue(obj[sym], 1, "The value of `obj[sym]` is `1`");

reportCompare(0, 0);