Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "WeakRef" was not declared in function "global"
non-Strict mode Failing
Expected no error, got ReferenceError: Property 'WeakRef' doesn't exist
Features:
- WeakRef
Expected no error, got SyntaxError: warning: the variable "WeakRef" was not declared in function "global"
Expected no error, got ReferenceError: Property 'WeakRef' doesn't exist
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-weak-ref-target
description: >
Returns a new ordinary object from the WeakRef constructor when called with an
Object target
info: |
WeakRef ( _target_ )
3. Let _weakRef_ be ? OrdinaryCreateFromConstructor(NewTarget,
*"%WeakRefPrototype%"*, « [[WeakRefTarget]] »).
4. Perfom AddToKeptObjects(_target_).
5. Set _weakRef_.[[WeakRefTarget]] to _target_.
6. Return _weakRef_.
features: [WeakRef]
---*/
var target = {};
var wr = new WeakRef(target);
assert.notSameValue(wr, target, 'does not return the same object');
assert.sameValue(wr instanceof WeakRef, true, 'instanceof');
for (let key of Object.getOwnPropertyNames(wr)) {
assert(false, `should not set any own named properties: ${key}`);
}
for (let key of Object.getOwnPropertySymbols(wr)) {
assert(false, `should not set any own symbol properties: ${String(key)}`);
}
assert.sameValue(Object.getPrototypeOf(wr), WeakRef.prototype);