File: iterable.js

package info (click to toggle)
qtdeclarative-opensource-src-gles 5.15.17%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 258,992 kB
  • sloc: javascript: 512,415; cpp: 497,385; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 46; php: 27
file content (30 lines) | stat: -rw-r--r-- 925 bytes parent folder | download | duplicates (11)
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
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.4.1.1
esid: sec-weakset-iterable
description: >
  Returns the new WeakSet adding the objects from the iterable parameter.
info: |
  WeakSet ( [ iterable ] )

  ...
  9. Repeat
    f. Let status be Call(adder, set, «nextValue»).
    g. If status is an abrupt completion, return IteratorClose(iter, status).
includes: [compareArray.js]
---*/

var first = {};
var second = {};
var added = [];
var add = WeakSet.prototype.add;
WeakSet.prototype.add = function(value) {
  added.push(value);
  return add.call(this, value);
};
var s = new WeakSet([first, second]);

assert.sameValue(added.length, 2, 'Called WeakSet#add for each object');
assert.sameValue(added[0], first, 'Adds object in order - first');
assert.sameValue(added[1], second, 'Adds object in order - second');