test262/test/built-ins/Object/hasOwn/symbol_own_property.js
Jamie Kyle bad7c0487e
Add tests for Object.hasOwn (#2995)
* Add tests for Object.hasOwn

* Update test/built-ins/Object/hasOwn/length.js

Co-authored-by: Jordan Harband <ljharb@gmail.com>

* Update test/built-ins/Object/hasOwn/name.js

Co-authored-by: Jordan Harband <ljharb@gmail.com>

* Fixup comments for Object.hasOwn

* Add Object.hasOwn descriptor test

* use assert.sameValue with true instead of assert()

* remove extra semicolons

* Remove old $ERROR style tests from hasown

* Fix thrown error type in hasown tests

* Fix incorrect test cases

Co-authored-by: Jordan Harband <ljharb@gmail.com>
2021-06-16 17:35:06 -04:00

33 lines
657 B
JavaScript

// Copyright (C) 2021 Jamie Kyle. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-object.hasown
description: Object.hasOwn called with symbol property key
info: |
Object.hasOwn ( _O_, _P_ )
1. Let _obj_ be ? ToObject(_O_).
1. Let _key_ be ? ToPropertyKey(_P_).
...
author: Jamie Kyle
features: [Symbol, Object.hasOwn]
---*/
var obj = {};
var sym = Symbol();
assert.sameValue(
Object.hasOwn(obj, sym),
false,
"Returns false if symbol own property not found"
);
obj[sym] = 0;
assert.sameValue(
Object.hasOwn(obj, sym),
true,
"Returns true if symbol own property found"
);