// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.toReversed
description: >
%TypedArray%.prototype.toReversed throws if the receiver is not a valid TypedArray
info: |
%TypedArray%.prototype.toReversed ( )
1. Let O be the this value.
2. Perform ? ValidateTypedArray(O).
...
includes: [detachArrayBuffer.js, testTypedArray.js]
features: [TypedArray, change-array-by-copy]
---*/
var invalidValues = {
'null': null,
'undefined': undefined,
'true': true,
'"abc"': "abc",
'12': 12,
'Symbol()': Symbol(),
'[1, 2, 3]': [1, 2, 3],
'{ 0: 1, 1: 2, 2: 3, length: 3 }': { 0: 1, 1: 2, 2: 3, length: 3 },
'Uint8Array.prototype': Uint8Array.prototype,
'1n': 1n,
};
Object.entries(invalidValues).forEach(value => {
assert.throws(TypeError, () => {
TypedArray.prototype.toReversed.call(value[1]);
}, `${value[0]} is not a valid TypedArray`);
});
testWithTypedArrayConstructors(function(TA) {
let buffer = new ArrayBuffer(8);
let sample = new TA(buffer, 0, 1);
$DETACHBUFFER(sample.buffer);
assert.throws(TypeError, () => {
sample.toReversed();
}, `array has a detached buffer`);
});