dataview_endian.js revision 765:91ef0e039d91 
1/*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * JDK-8015958: DataView constructor is not defined
26 *
27 * @test
28 * @run
29 */
30
31// set/get endianess checks
32
33var buffer = new ArrayBuffer(4);
34var dv = new DataView(buffer);
35
36// write (default) big endian, read big/little endian
37dv.setUint16(0, 0xABCD);
38Assert.assertEquals(dv.getUint16(0), 0xABCD);
39Assert.assertEquals(dv.getUint16(0, false), 0xABCD);
40Assert.assertEquals(dv.getUint16(0, true), 0xCDAB);
41
42// write little endian, read big/little endian
43dv.setUint16(0, 0xABCD, true);
44Assert.assertEquals(dv.getUint16(0), 0xCDAB);
45Assert.assertEquals(dv.getUint16(0, false), 0xCDAB);
46Assert.assertEquals(dv.getUint16(0, true), 0xABCD);
47
48// write explicit big endian, read big/little endian
49dv.setUint16(0, 0xABCD, false);
50Assert.assertEquals(dv.getUint16(0), 0xABCD);
51Assert.assertEquals(dv.getUint16(0, false), 0xABCD);
52Assert.assertEquals(dv.getUint16(0, true), 0xCDAB);
53
54// write (default) big endian, read big/little endian
55dv.setUint32(0, 0xABCDEF89);
56Assert.assertEquals(dv.getUint32(0), 0xABCDEF89);
57Assert.assertEquals(dv.getUint32(0, false), 0xABCDEF89);
58Assert.assertEquals(dv.getUint32(0, true), 0x89EFCDAB);
59
60// write little endian, read big/little endian
61dv.setUint32(0, 0xABCDEF89, true);
62Assert.assertEquals(dv.getUint32(0), 0x89EFCDAB);
63Assert.assertEquals(dv.getUint32(0, false), 0x89EFCDAB);
64Assert.assertEquals(dv.getUint32(0, true), 0xABCDEF89);
65
66// write explicit big endian, read big/little endian
67dv.setUint32(0, 0xABCDEF89, false);
68Assert.assertEquals(dv.getUint32(0), 0xABCDEF89);
69Assert.assertEquals(dv.getUint32(0, false), 0xABCDEF89);
70Assert.assertEquals(dv.getUint32(0, true), 0x89EFCDAB);
71