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Diffstat (limited to 'js/src/tests/test262/built-ins/WeakMap/iterable-with-object-keys.js')
-rw-r--r-- | js/src/tests/test262/built-ins/WeakMap/iterable-with-object-keys.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakMap/iterable-with-object-keys.js b/js/src/tests/test262/built-ins/WeakMap/iterable-with-object-keys.js new file mode 100644 index 0000000000..77f691bdc8 --- /dev/null +++ b/js/src/tests/test262/built-ins/WeakMap/iterable-with-object-keys.js @@ -0,0 +1,48 @@ +// 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); |