From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../findLast/predicate-may-detach-buffer.js | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js') diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js new file mode 100644 index 0000000000..51cc7dad9a --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-may-detach-buffer.js @@ -0,0 +1,41 @@ +// Copyright (C) 2021 Microsoft. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.findlast +description: > + Predicate may detach the buffer +info: | + %TypedArray%.prototype.findLast (predicate [ , thisArg ] ) + + ... + + However, such optimization must not introduce any observable changes in the + specified behaviour of the algorithm and must take into account the + possibility that calls to predicate may cause the this value to become + detached. + + IntegerIndexedElementGet ( O, index ) + + ... + Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot. + If IsDetachedBuffer(buffer) is true, return undefined. + +includes: [testTypedArray.js, detachArrayBuffer.js] +features: [TypedArray, array-find-from-last] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var loops = 0; + var sample = new TA(2); + + sample.findLast(function() { + if (loops === 0) { + $DETACHBUFFER(sample.buffer); + } + loops++; + }); + + assert.sameValue(loops, 2); +}); + +reportCompare(0, 0); -- cgit v1.2.3