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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-14.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-14.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-14.js b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-14.js new file mode 100644 index 0000000000..af2a27140b --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-14.js @@ -0,0 +1,29 @@ +// 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.map +description: > + Array.prototype.map - decreasing length of array causes index + property not to be visited +---*/ + +function callbackfn(val, idx, obj) { + return idx === 3 && typeof val === "undefined"; +} + +var arr = [0, 1, 2, "last"]; + +Object.defineProperty(arr, "0", { + get: function() { + arr.length = 3; + return 0; + }, + configurable: true +}); + +var testResult = arr.map(callbackfn); + +assert.sameValue(typeof testResult[3], "undefined", 'typeof testResult[3]'); + +reportCompare(0, 0); |