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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-weakmap.prototype.get
description: >
Returns undefined when an Object key is not on the WeakMap object.
info: |
WeakMap.prototype.get ( _key_ )
3. Let _entries_ be the List that is _M_.[[WeakMapData]].
4. If CanBeHeldWeakly(_key_) is *false*, return *undefined*.
5. For each Record {[[Key]], [[Value]]} _p_ of _entries_, do
a. If _p_.[[Key]] is not empty and SameValue(_p_.[[Key]], _key_) is *true*,
return _p_.[[Value]].
6. Return *undefined*.
features: [WeakMap]
---*/
var map = new WeakMap();
var key = {};
assert.sameValue(
map.get(key), undefined,
'returns undefined if key is not on the weakmap'
);
map.set(key, 1);
map.set({}, 2);
map.delete(key);
map.set({}, 3);
assert.sameValue(
map.get(key), undefined,
'returns undefined if key was deleted'
);
reportCompare(0, 0);
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