test262/test/built-ins/Reflect/getOwnPropertyDescriptor/symbol-property.js

39 lines
872 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 26.1.7
description: >
Use a symbol value on property key.
info: |
26.1.7 Reflect.getOwnPropertyDescriptor ( target, propertyKey )
...
2. Let key be ToPropertyKey(propertyKey).
...
7.1.14 ToPropertyKey ( argument )
...
3. If Type(key) is Symbol, then
a. Return key.
...
includes: [compareArray.js]
features: [Symbol]
---*/
var o = {};
var s = Symbol('42');
o[s] = 42;
var result = Reflect.getOwnPropertyDescriptor(o, s);
assert(
compareArray(
Object.keys(result), ['value', 'writable', 'enumerable', 'configurable']
)
);
assert.sameValue(result.value, 42);
assert.sameValue(result.enumerable, true);
assert.sameValue(result.configurable, true);
assert.sameValue(result.writable, true);