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// |reftest| skip -- resizable-arraybuffer is not supported
// Copyright (C) 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.set-typedarray-offset
description: >
Set values from different instances using the same buffer and same
constructor when underlying ArrayBuffer has been resized
includes: [testTypedArray.js, compareArray.js]
features: [TypedArray, resizable-arraybuffer]
---*/
assert.sameValue(
typeof ArrayBuffer.prototype.resize,
'function',
'implements ArrayBuffer.prototype.resize'
);
testWithTypedArrayConstructors(function(TA) {
var BPE = TA.BYTES_PER_ELEMENT;
var ab = new ArrayBuffer(BPE * 4, {maxByteLength: BPE * 5});
var source = new TA(ab);
var target = new TA(ab);
var expected = [10, 20, 30, 40];
source[0] = 10;
source[1] = 20;
source[2] = 30;
source[3] = 40;
try {
ab.resize(BPE * 5);
expected = [10, 20, 30, 40, 0];
} catch (_) {}
target.set(source);
assert(compareArray(target, expected), 'following grow');
try {
ab.resize(BPE * 3);
expected = [10, 20, 30];
} catch (_) {}
target.set(source);
assert(compareArray(target, expected), 'following shrink');
});
reportCompare(0, 0);
|
