summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Object/prototype/hasOwnProperty/topropertykey_before_toobject.js
blob: 76ba785ec37c1276cc77b23f34ab621cb84503f3 (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
// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-object.prototype.hasownproperty
description: >
  ToPropertyKey is performed before ToObject.
info: |
  Object.prototype.hasOwnProperty ( V )

  1. Let P be ? ToPropertyKey(V).
  2. Let O be ? ToObject(this value).

  ToPropertyKey ( argument )

  1. Let key be ? ToPrimitive(argument, hint String).
features: [Symbol.toPrimitive]
---*/

var coercibleKey1 = {
  get toString() {
    this.hint = "string";
    throw new Test262Error();
  },
  get valueOf() {
    this.hint = "defaultOrNumber";
    throw new Test262Error();
  },
};

assert.throws(Test262Error, function() {
  Object.prototype.hasOwnProperty.call(null, coercibleKey1);
});
assert.sameValue(coercibleKey1.hint, "string");


var coercibleKey2 = {};
coercibleKey2[Symbol.toPrimitive] = function(hint) {
  this.hint = hint;
  throw new Test262Error();
};

assert.throws(Test262Error, function() {
  Object.prototype.hasOwnProperty.call(undefined, coercibleKey2);
});
assert.sameValue(coercibleKey2.hint, "string");

reportCompare(0, 0);