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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-b-24.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-b-24.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-b-24.js b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-b-24.js new file mode 100644 index 0000000000..8c6f24ae3c --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-b-24.js @@ -0,0 +1,36 @@ +// 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.reduce +description: > + Array.prototype.reduce - deleting property of prototype causes + deleted index property not to be visited on an Array +---*/ + +var accessed = false; +var testResult = true; + +function callbackfn(accum, val, idx, obj) { + accessed = true; + if (idx === 1) { + testResult = false; + } +} + +var arr = [0, , , 3]; +Object.defineProperty(arr, "0", { + get: function() { + delete Array.prototype[1]; + return 0; + }, + configurable: true +}); + +Array.prototype[1] = 1; +arr.reduce(callbackfn, "initialValue"); + +assert(testResult, 'testResult !== true'); +assert(accessed, 'accessed !== true'); + +reportCompare(0, 0); |