tyler.durden/test262
1
0
Fork 0
mirror of https://github.com/tc39/test262.git synced 2025-09-15 14:17:52 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add coverage when searching undefined after shrinking buffer

Browse Source
This commit is contained in:
André Bargull 2025-01-10 09:26:18 +01:00 committed by Jordan Harband
parent e7a84b0a09
commit a977d3b649
No known key found for this signature in database
GPG Key ID: 9F6A681E35EF8B56
2 changed files with 86 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
test/built-ins/TypedArray/prototype/includes/search-undefined-after-shrinking-buffer-index-is-oob.js vendored Normal file
View File

@ -0,0 +1,42 @@
// Copyright 2025 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.includes
description: >
Search undefined after shrinking the buffer with out-of-bounds index.
info: |
%TypedArray%.prototype.includes ( searchElement [ , fromIndex ] )
...
3. Let len be TypedArrayLength(taRecord).
...
5. Let n be ? ToIntegerOrInfinity(fromIndex).
...
11. Repeat, while k < len,
...
12. Return false.
features: [TypedArray, resizable-arraybuffer]
includes: [testTypedArray.js]
---*/
testWithTypedArrayConstructors(TA => {
var rab = new ArrayBuffer(TA.BYTES_PER_ELEMENT, {maxByteLength: TA.BYTES_PER_ELEMENT});
var ta = new TA(rab);
assert.sameValue(ta.length, 1);
var index = {
valueOf() {
// Resize buffer to zero.
rab.resize(0);
// Index is out-of-bounds when comparing to the original length.
return 1;
}
};
var result = ta.includes(undefined, index);
assert.sameValue(result, false);
assert.sameValue(ta.length, 0);
});

44
test/built-ins/TypedArray/prototype/includes/search-undefined-after-shrinking-buffer.js vendored Normal file
View File

@ -0,0 +1,44 @@
// Copyright 2025 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.includes
description: >
Search undefined after shrinking the buffer with in-bounds index.
info: |
%TypedArray%.prototype.includes ( searchElement [ , fromIndex ] )
...
3. Let len be TypedArrayLength(taRecord).
...
5. Let n be ? ToIntegerOrInfinity(fromIndex).
...
11. Repeat, while k < len,
a. Let elementK be ! Get(O, ! ToString(𝔽(k))).
b. If SameValueZero(searchElement, elementK) is true, return true.
...
12. Return false.
features: [TypedArray, resizable-arraybuffer]
includes: [testTypedArray.js]
---*/
testWithTypedArrayConstructors(TA => {
var rab = new ArrayBuffer(TA.BYTES_PER_ELEMENT, {maxByteLength: TA.BYTES_PER_ELEMENT});
var ta = new TA(rab);
assert.sameValue(ta.length, 1);
var index = {
valueOf() {
// Resize buffer to zero.
rab.resize(0);
// Index is in-bounds when comparing to the original length.
return 0;
}
};
var result = ta.includes(undefined, index);
assert.sameValue(result, true);
assert.sameValue(ta.length, 0);
});