diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/map/create-proto-from-ctor-realm-array.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/map/create-proto-from-ctor-realm-array.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/create-proto-from-ctor-realm-array.js b/js/src/tests/test262/built-ins/Array/prototype/map/create-proto-from-ctor-realm-array.js new file mode 100644 index 0000000000..47f97d04c4 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/map/create-proto-from-ctor-realm-array.js @@ -0,0 +1,45 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.map +description: Prefer Array constructor of current realm record +info: | + 1. Let O be ? ToObject(this value). + [...] + 5. Let A be ? ArraySpeciesCreate(O, len). + [...] + + 9.4.2.3 ArraySpeciesCreate + + [...] + 5. Let C be ? Get(originalArray, "constructor"). + 6. If IsConstructor(C) is true, then + a. Let thisRealm be the current Realm Record. + b. Let realmC be ? GetFunctionRealm(C). + c. If thisRealm and realmC are not the same Realm Record, then + i. If SameValue(C, realmC.[[Intrinsics]].[[%Array%]]) is true, let C + be undefined. + [...] +features: [cross-realm, Symbol.species] +---*/ + +var array = []; +var callCount = 0; +var OArray = $262.createRealm().global.Array; +var speciesDesc = { + get: function() { + callCount += 1; + } +}; +var result; +array.constructor = OArray; + +Object.defineProperty(Array, Symbol.species, speciesDesc); +Object.defineProperty(OArray, Symbol.species, speciesDesc); + +result = array.map(function() {}); + +assert.sameValue(Object.getPrototypeOf(result), Array.prototype); +assert.sameValue(callCount, 0, 'Species constructor is not referenced'); + +reportCompare(0, 0); |