// 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);