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// 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: >
Does not throw a TypeError if buffer is detached on custom constructor and
`k >= final`. Using same targetType.
info: |
22.2.3.24 %TypedArray%.prototype.slice ( start, end )
...
9. Let A be ? TypedArraySpeciesCreate(O, « count »).
...
14. If SameValue(srcType, targetType) is false, then
...
15. Else if count > 0, then
a. Let srcBuffer be the value of O's [[ViewedArrayBuffer]] internal slot.
b. If IsDetachedBuffer(srcBuffer) is true, throw a TypeError exception.
...
includes: [testBigIntTypedArray.js, detachArrayBuffer.js]
features: [BigInt, Symbol.species, TypedArray]
---*/
testWithBigIntTypedArrayConstructors(function(TA) {
var sample, result;
var ctor = {};
ctor[Symbol.species] = function(count) {
$DETACHBUFFER(sample.buffer);
return new TA(count);
};
sample = new TA(0);
sample.constructor = ctor;
result = sample.slice();
assert.sameValue(result.length, 0, "#1: result.length");
assert.notSameValue(result.buffer, sample.buffer, "#1: creates a new buffer");
assert.sameValue(result.constructor, TA, "#1: ctor");
sample = new TA(4);
sample.constructor = ctor;
result = sample.slice(1, 1);
assert.sameValue(result.length, 0, "#2: result.length");
assert.notSameValue(result.buffer, sample.buffer, "#2: creates a new buffer");
assert.sameValue(result.constructor, TA, "#2: ctor");
});
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