diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
commit | 8dd16259287f58f9273002717ec4d27e97127719 (patch) | |
tree | 3863e62a53829a84037444beab3abd4ed9dfc7d0 /js/src/tests/test262/built-ins/TypedArray/prototype/includes/index-compared-against-initial-length-out-of-bounds.js | |
parent | Releasing progress-linux version 126.0.1-1~progress7.99u1. (diff) | |
download | firefox-8dd16259287f58f9273002717ec4d27e97127719.tar.xz firefox-8dd16259287f58f9273002717ec4d27e97127719.zip |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/includes/index-compared-against-initial-length-out-of-bounds.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/includes/index-compared-against-initial-length-out-of-bounds.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/includes/index-compared-against-initial-length-out-of-bounds.js b/js/src/tests/test262/built-ins/TypedArray/prototype/includes/index-compared-against-initial-length-out-of-bounds.js new file mode 100644 index 0000000000..a589430e35 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/includes/index-compared-against-initial-length-out-of-bounds.js @@ -0,0 +1,54 @@ +// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options +// Copyright (C) 2024 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-%typedarray%.prototype.includes +description: > + Index is compared against the initial length when typed array is made out-of-bounds. +info: | + %TypedArray%.prototype.includes ( searchElement [ , fromIndex ] ) + + ... + 2. Let taRecord be ? ValidateTypedArray(O, seq-cst). + 3. Let len be TypedArrayLength(taRecord). + ... + 5. Let n be ? ToIntegerOrInfinity(fromIndex). + ... + 9. If n ≥ 0, then + a. Let k be n. + ... + 11. Repeat, while k < len, + ... + +features: [TypedArray, resizable-arraybuffer] +---*/ + +let rab = new ArrayBuffer(4, {maxByteLength: 20}); + +// Uses byteOffset to make typed array out-of-bounds when shrinking size to zero. +let byteOffset = 1; + +let ta = new Int8Array(rab, byteOffset); + +let index = { + valueOf() { + // Shrink buffer to zero. + rab.resize(0); + + // Index is larger than the initial length. + return 10; + } +}; + +// Typed array is in-bounds. +assert.sameValue(ta.length, 3); + +let result = ta.includes(undefined, index); + +// Typed array is out-of-bounds. +assert.sameValue(ta.length, 0); + +assert.sameValue(result, false); + +reportCompare(0, 0); |