| // 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-typedarray |
| description: Instantiate a new TypedArray with an existing TypedArray |
| info: | |
| 22.2.4.3 TypedArray ( typedArray ) |
| |
| This description applies only if the TypedArray function is called with at |
| least one argument and the Type of the first argument is Object and that |
| object has a [[TypedArrayName]] internal slot. |
| |
| includes: [testBigIntTypedArray.js] |
| features: [BigInt, TypedArray] |
| ---*/ |
| |
| var sample1 = new BigInt64Array(7); |
| var sample2 = new BigUint64Array(7); |
| |
| testWithBigIntTypedArrayConstructors(function(TA) { |
| var sample = TA === BigInt64Array ? sample2 : sample1; |
| var typedArray = new TA(sample); |
| |
| assert.sameValue(typedArray.length, 7); |
| assert.notSameValue(typedArray, sample); |
| assert.sameValue(typedArray.constructor, TA); |
| assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype); |
| }); |
