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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.
/*---
es6id: 23.3.3.3
esid: sec-weakmap.prototype.get
description: >
Returns undefined when key is not on the WeakMap object.
info: |
WeakMap.prototype.get ( key )
4. Let entries be the List that is the value of M’s [[WeakMapData]] internal
slot.
5. If Type(key) is not Object, return undefined.
6. Repeat for each Record {[[key]], [[value]]} p that is an element of
entries,
a. If p.[[key]] is not empty and SameValue(p.[[key]], key) is true, return
p.[[value]].
7. Return undefined.
...
---*/
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'
);
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