mirror of
https://github.com/tc39/test262.git
synced 2025-11-04 05:33:50 +01:00
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
// Copyright (C) 2015 the V8 project authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
/*---
|
|
es6id: 23.3.1.1
|
|
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).
|
|
includes: [compareArray.js]
|
|
---*/
|
|
|
|
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');
|