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 --- .../target-array-with-non-writable-property.js | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Array/prototype/flat/target-array-with-non-writable-property.js (limited to 'js/src/tests/test262/built-ins/Array/prototype/flat/target-array-with-non-writable-property.js') diff --git a/js/src/tests/test262/built-ins/Array/prototype/flat/target-array-with-non-writable-property.js b/js/src/tests/test262/built-ins/Array/prototype/flat/target-array-with-non-writable-property.js new file mode 100644 index 0000000000..4294babb48 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/flat/target-array-with-non-writable-property.js @@ -0,0 +1,52 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.flat +description: > + Non-writable properties are overwritten by CreateDataProperty. + (result object's "0" is non-writable, source array gets flattened) +info: | + Array.prototype.flat ( [ depth ] ) + + [...] + 6. Perform ? FlattenIntoArray(A, O, sourceLen, 0, depthNum). + + FlattenIntoArray ( target, source, sourceLen, start, depth [ , mapperFunction, thisArg ] ) + + [...] + 9. Repeat, while sourceIndex < sourceLen + [...] + c. If exists is true, then + [...] + v. If shouldFlatten is true, then + [...] + 2. Set targetIndex to ? FlattenIntoArray(target, element, elementLen, targetIndex, depth - 1). + [...] +features: [Symbol.species] +includes: [propertyHelper.js] +---*/ + +var A = function(_length) { + Object.defineProperty(this, "0", { + value: 1, + writable: false, + enumerable: false, + configurable: true, + }); +}; + +var arr = [[2]]; +arr.constructor = {}; +arr.constructor[Symbol.species] = A; + +var res = arr.flat(1); + +verifyProperty(res, "0", { + value: 2, + writable: true, + enumerable: true, + configurable: true, +}); + +reportCompare(0, 0); -- cgit v1.2.3