From 8dd16259287f58f9273002717ec4d27e97127719 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 07:43:14 +0200 Subject: Merging upstream version 127.0. Signed-off-by: Daniel Baumann --- .../from/iterated-array-changed-by-tonumber.js | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 js/src/tests/test262/built-ins/TypedArray/from/iterated-array-changed-by-tonumber.js (limited to 'js/src/tests/test262/built-ins/TypedArray/from/iterated-array-changed-by-tonumber.js') diff --git a/js/src/tests/test262/built-ins/TypedArray/from/iterated-array-changed-by-tonumber.js b/js/src/tests/test262/built-ins/TypedArray/from/iterated-array-changed-by-tonumber.js new file mode 100644 index 0000000000..a0d6099170 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/from/iterated-array-changed-by-tonumber.js @@ -0,0 +1,39 @@ +// Copyright (C) 2024 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-%typedarray%.from +description: > + Modifications to input array after iteration are handled correctly. +info: | + %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] ) + + ... + 6. If usingIterator is not undefined, then + a. Let values be ? IteratorToList(? GetIteratorFromMethod(source, usingIterator)). + b. Let len be the number of elements in values. + ... + e. Repeat, while k < len, + ... + vi. Perform ? Set(targetObj, Pk, mappedValue, true). + ... +features: [TypedArray] +---*/ + +let values = [0, { + valueOf() { + // Removes all array elements. Caller must have saved all elements. + values.length = 0; + return 100; + } +}, 2]; + +// `from` called with array which uses the built-in array iterator. +let ta = Int32Array.from(values); + +assert.sameValue(ta.length, 3); +assert.sameValue(ta[0], 0); +assert.sameValue(ta[1], 100); +assert.sameValue(ta[2], 2); + +reportCompare(0, 0); -- cgit v1.2.3