1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// 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-iterable
description: >
Returns the new WeakMap adding the objects from the iterable parameter.
info: |
WeakMap ( [ iterable ] )
...
9. Repeat
k. Let status be Call(adder, map, «k.[[value]], v.[[value]]»).
l. If status is an abrupt completion, return IteratorClose(iter, status).
---*/
var first = {};
var second = {};
var results = [];
var set = WeakMap.prototype.set;
WeakMap.prototype.set = function(key, value) {
results.push({
_this: this,
key: key,
value: value
});
return set.call(this, key, value);
};
var map = new WeakMap([
[first, 42],
[second, 43]
]);
assert.sameValue(results.length, 2, 'Called WeakMap#set for each object');
assert.sameValue(results[0].key, first, 'Adds object in order - first key');
assert.sameValue(results[0].value, 42, 'Adds object in order - first value');
assert.sameValue(results[0]._this, map, 'Adds object in order - this');
assert.sameValue(results[1].key, second, 'Adds object in order - second key');
assert.sameValue(results[1].value, 43, 'Adds object in order - second value');
assert.sameValue(results[1]._this, map, 'Adds object in order - this');
reportCompare(0, 0);
|
