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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.
/*---
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');
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