diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-b-iii-3-b-1.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-b-iii-3-b-1.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-b-iii-3-b-1.js b/js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-b-iii-3-b-1.js new file mode 100644 index 0000000000..213a63acc5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-b-iii-3-b-1.js @@ -0,0 +1,28 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.concat +description: > + Array.prototype.concat will concat an Array when index property + (read-only) exists in Array.prototype (Step 5.b.iii.3.b) +includes: [propertyHelper.js] +---*/ + +Object.defineProperty(Array.prototype, "0", { + value: 100, + writable: false, + configurable: true +}); + +var oldArr = [101]; +var newArr = Array.prototype.concat.call(oldArr); + +verifyProperty(newArr, "0", { + value: 101, + writable: true, + enumerable: true, + configurable: true, +}); + +reportCompare(0, 0); |