blob: 98e67832dd3b2a510636a8bbc743128fd0386b97 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.slice
description: >
Throws a TypeError if _O_.[[ViewedArrayBuffer]] is detached. Using other
targetType
info: |
22.2.3.24 %TypedArray%.prototype.slice ( start, end )
...
Let A be ? TypedArraySpeciesCreate(O, « count »).
If count > 0, then
If IsDetachedBuffer(O.[[ViewedArrayBuffer]]) is true, throw a TypeError exception.
...
includes: [testTypedArray.js, detachArrayBuffer.js]
features: [align-detached-buffer-semantics-with-web-reality, Symbol.species, TypedArray]
---*/
testWithTypedArrayConstructors(function(TA) {
let counter = 0;
var sample = new TA(1);
sample.constructor = {};
sample.constructor[Symbol.species] = function(count) {
var other = TA === Int8Array ? Int16Array : Int8Array;
counter++;
$DETACHBUFFER(sample.buffer);
return new other(count);
};
assert.throws(TypeError, function() {
counter++;
sample.slice();
}, '`sample.slice()` throws TypeError');
assert.sameValue(counter, 2, 'The value of `counter` is 2');
});
reportCompare(0, 0);
|
