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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-length
description: >
ToIndex(length) operations
info: |
22.2.4.2 TypedArray ( length )
This description applies only if the TypedArray function is called with at
least one argument and the Type of the first argument is not Object.
...
3. Let elementLength be ? ToIndex(length).
...
includes: [testBigIntTypedArray.js]
features: [BigInt, TypedArray]
---*/
var items = [
[-0, 0, "-0"],
["", 0, "the Empty string"],
["0", 0, "string '0'"],
["1", 1, "string '1'"],
[true, 1, "true"],
[false, 0, "false"],
[NaN, 0, "NaN"],
[null, 0, "null"],
[undefined, 0, "undefined"],
[0.1, 0, "0.1"],
[0.9, 0, "0.9"],
[1.1, 1, "1.1"],
[1.9, 1, "1.9"],
[-0.1, 0, "-0.1"],
[-0.99999, 0, "-0.99999"]
];
testWithTypedArrayConstructors(function(TA) {
items.forEach(function(item) {
var len = item[0];
var expected = item[1];
var name = item[2];
var typedArray = new TA(len);
assert.sameValue(typedArray.length, expected, name + " length");
assert.sameValue(typedArray.constructor, TA, name + " constructor");
assert.sameValue(
Object.getPrototypeOf(typedArray),
TA.prototype,
name + " prototype"
);
});
});
|
