diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/map/target-array-with-non-writable-property.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/map/target-array-with-non-writable-property.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/target-array-with-non-writable-property.js b/js/src/tests/test262/built-ins/Array/prototype/map/target-array-with-non-writable-property.js new file mode 100644 index 0000000000..c8761fb5d8 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/map/target-array-with-non-writable-property.js @@ -0,0 +1,38 @@ +// Copyright (C) 2018 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.map +description: > + Non-writable properties are overwritten by CreateDataPropertyOrThrow. +info: | + 22.1.3.16 Array.prototype.map ( callbackfn [ , thisArg ] ) + + ... + 7. Repeat, while k < len + ... + c. If kPresent is true, then + ... + iii. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue). + ... +features: [Symbol.species] +includes: [propertyHelper.js] +---*/ + +var a = [1]; +a.constructor = {}; +a.constructor[Symbol.species] = function(len) { + var q = new Array(0); + Object.defineProperty(q, 0, { + value: 0, writable: false, configurable: true, enumerable: false, + }); + return q; +}; + +var r = a.map(function(){ return 2; }); + +verifyProperty(r, 0, { + value: 2, writable: true, configurable: true, enumerable: true, +}); + +reportCompare(0, 0); |