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
42
43
44
|
// 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-map-iterable
description: >
new Map calls `set` for each item on the iterable argument in order.
info: |
Map ( [ iterable ] )
...
9. Repeat
...
k. Let status be Call(adder, map, «k.[[value]], v.[[value]]»).
...
includes: [compareArray.js]
---*/
var mapSet = Map.prototype.set;
var counter = 0;
var iterable = [
["foo", 1],
["bar", 2]
];
var results = [];
var _this = [];
Map.prototype.set = function(k, v) {
counter++;
results.push([k, v]);
_this.push(this);
mapSet.call(this, k, v);
};
var map = new Map(iterable);
assert.sameValue(counter, 2, "`Map.prototype.set` called twice.");
assert.compareArray(results[0], iterable[0]);
assert.compareArray(results[1], iterable[1]);
assert.sameValue(_this[0], map);
assert.sameValue(_this[1], map);
reportCompare(0, 0);
|
