From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../Array/prototype/reduce/15.4.4.21-9-6.js | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-6.js (limited to 'js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-6.js') diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-6.js b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-6.js new file mode 100644 index 0000000000..635d08b6e5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-6.js @@ -0,0 +1,26 @@ +// 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 visits deleted element in array after the + call when same index is also present in prototype +---*/ + +function callbackfn(prevVal, curVal, idx, obj) +{ + delete arr[3]; + delete arr[4]; + return prevVal + curVal; +} + +Array.prototype[4] = 5; +var arr = ['1', 2, 3, 4, 5]; +var res = arr.reduce(callbackfn); +delete Array.prototype[4]; + +//one element acually deleted +assert.sameValue(res, "1235", 'res'); + +reportCompare(0, 0); -- cgit v1.2.3