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 --- ...set-length-zero-array-length-is-non-writable.js | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Array/prototype/push/set-length-zero-array-length-is-non-writable.js (limited to 'js/src/tests/test262/built-ins/Array/prototype/push/set-length-zero-array-length-is-non-writable.js') diff --git a/js/src/tests/test262/built-ins/Array/prototype/push/set-length-zero-array-length-is-non-writable.js b/js/src/tests/test262/built-ins/Array/prototype/push/set-length-zero-array-length-is-non-writable.js new file mode 100644 index 0000000000..43527e8569 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/push/set-length-zero-array-length-is-non-writable.js @@ -0,0 +1,38 @@ +// Copyright (C) 2022 Apple Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.push +description: > + A TypeError is thrown when "length" is [[Set]] on an empty array with non-writable "length". +info: | + Array.prototype.push ( ...items ) + + [...] + 2. Let len be ? LengthOfArrayLike(O). + [...] + 6. Perform ? Set(O, "length", 𝔽(len), true). + + OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc ) + + [...] + 2. If IsDataDescriptor(ownDesc) is true, then + a. If ownDesc.[[Writable]] is false, return false. + + Set ( O, P, V, Throw ) + + [...] + 1. Let success be ? O.[[Set]](P, V, O). + 2. If success is false and Throw is true, throw a TypeError exception. +---*/ + +var array = []; +Object.defineProperty(array, "length", { writable: false }); + +assert.throws(TypeError, function() { + array.push(); +}); + +assert(!array.hasOwnProperty(0)); +assert.sameValue(array.length, 0); + +reportCompare(0, 0); -- cgit v1.2.3