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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-14.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-14.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-14.js b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-14.js new file mode 100644 index 0000000000..1edbff8d55 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-14.js @@ -0,0 +1,25 @@ +// 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.indexof +description: > + Array.prototype.indexOf - deleting property of prototype causes + prototype index property not to be visited on an Array +---*/ + +var arr = [0, , 2]; + +Object.defineProperty(arr, "0", { + get: function() { + delete Array.prototype[1]; + return 0; + }, + configurable: true +}); + +Array.prototype[1] = 1; + +assert.sameValue(arr.indexOf(1), -1, 'arr.indexOf(1)'); + +reportCompare(0, 0); |