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/filter/create-species-undef.js | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Array/prototype/filter/create-species-undef.js (limited to 'js/src/tests/test262/built-ins/Array/prototype/filter/create-species-undef.js') diff --git a/js/src/tests/test262/built-ins/Array/prototype/filter/create-species-undef.js b/js/src/tests/test262/built-ins/Array/prototype/filter/create-species-undef.js new file mode 100644 index 0000000000..ec36822363 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/filter/create-species-undef.js @@ -0,0 +1,36 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.filter +description: > + An undefined value for the @@species constructor triggers the creation of + an Array exotic object +info: | + [...] + 5. Let A be ? ArraySpeciesCreate(O, 0). + [...] + + 9.4.2.3 ArraySpeciesCreate + + [...] + 5. Let C be ? Get(originalArray, "constructor"). + [...] + 7. If Type(C) is Object, then + a. Let C be ? Get(C, @@species). + b. If C is null, let C be undefined. + 8. If C is undefined, return ? ArrayCreate(length). +features: [Symbol.species] +---*/ + +var a = []; +var result; + +a.constructor = {}; +a.constructor[Symbol.species] = undefined; + +result = a.filter(function() {}); + +assert.sameValue(Object.getPrototypeOf(result), Array.prototype); +assert(Array.isArray(result), 'result is an Array exotic object'); + +reportCompare(0, 0); -- cgit v1.2.3