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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.
/*---
esid: sec-weakmap-iterable
description: >
Returns the new WeakMap adding entries from the iterable parameter, with
Object keys.
info: |
WeakMap ( [ _iterable_ ] )
5. Let _adder_ be ? Get(_map_, *"set"*).
6. Return ? AddEntriesFromIterable(_map_, _iterable_, _adder_).
AddEntriesFromIterable:
3. Repeat,
i. Let _status_ be Completion(Call(_adder_, _target_, « _k_, _v_ »)).
WeakMap.prototype.set( _key_, _value_ ):
6. Let _p_ be the Record {[[Key]]: _key_, [[Value]]: _value_}.
7. Append _p_ as the last element of _entries_.
features: [WeakMap]
---*/
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);
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