jerryscript/tests/jerry/es2015/arraybuffer-isview.js
Roland Takacs 67d677a1bc Implement ArrayBuffer.isView function (#3403)
JerryScript-DCO-1.0-Signed-off-by: Roland Takacs r.takacs2@partner.samsung.com
2019-12-04 15:36:42 +01:00

38 lines
1.6 KiB
JavaScript

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
assert(ArrayBuffer.isView() === false);
assert(ArrayBuffer.isView([]) === false);
assert(ArrayBuffer.isView({}) === false);
assert(ArrayBuffer.isView(null) === false);
assert(ArrayBuffer.isView(undefined) === false);
assert(ArrayBuffer.isView(new ArrayBuffer(10)) === false);
assert(ArrayBuffer.isView(new Int8Array()) === true);
assert(ArrayBuffer.isView(new Uint8Array()) === true);
assert(ArrayBuffer.isView(new Uint8ClampedArray()) === true);
assert(ArrayBuffer.isView(new Int16Array()) === true);
assert(ArrayBuffer.isView(new Uint16Array()) === true);
assert(ArrayBuffer.isView(new Int32Array()) === true);
assert(ArrayBuffer.isView(new Uint32Array()) === true);
assert(ArrayBuffer.isView(new Float32Array()) === true);
assert(ArrayBuffer.isView(new Float64Array()) === true);
assert(ArrayBuffer.isView(new Int8Array(10).subarray(0, 3)) === true);
var buffer = new ArrayBuffer(2);
var dv = new DataView(buffer);
assert(ArrayBuffer.isView(dv) === true);