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 
  33 var buffer = new ArrayBuffer(4);
  34 var dv = new DataView(buffer);
  35 
  36 // write (default) big endian, read big/little endian
  37 dv.setUint16(0, 0xABCD);
  38 Assert.assertEquals(dv.getUint16(0), 0xABCD);
  39 Assert.assertEquals(dv.getUint16(0, false), 0xABCD);
  40 Assert.assertEquals(dv.getUint16(0, true), 0xCDAB);
  41 
  42 // write little endian, read big/little endian
  43 dv.setUint16(0, 0xABCD, true);
  44 Assert.assertEquals(dv.getUint16(0), 0xCDAB);
  45 Assert.assertEquals(dv.getUint16(0, false), 0xCDAB);
  46 Assert.assertEquals(dv.getUint16(0, true), 0xABCD);
  47 
  48 // write explicit big endian, read big/little endian
  49 dv.setUint16(0, 0xABCD, false);
  50 Assert.assertEquals(dv.getUint16(0), 0xABCD);
  51 Assert.assertEquals(dv.getUint16(0, false), 0xABCD);
  52 Assert.assertEquals(dv.getUint16(0, true), 0xCDAB);
  53 
  54 // write (default) big endian, read big/little endian
  55 dv.setUint32(0, 0xABCDEF89);
  56 Assert.assertEquals(dv.getUint32(0), 0xABCDEF89);
  57 Assert.assertEquals(dv.getUint32(0, false), 0xABCDEF89);
  58 Assert.assertEquals(dv.getUint32(0, true), 0x89EFCDAB);
  59 
  60 // write little endian, read big/little endian
  61 dv.setUint32(0, 0xABCDEF89, true);
  62 Assert.assertEquals(dv.getUint32(0), 0x89EFCDAB);
  63 Assert.assertEquals(dv.getUint32(0, false), 0x89EFCDAB);
  64 Assert.assertEquals(dv.getUint32(0, true), 0xABCDEF89);
  65 
  66 // write explicit big endian, read big/little endian
  67 dv.setUint32(0, 0xABCDEF89, false);
  68 Assert.assertEquals(dv.getUint32(0), 0xABCDEF89);
  69 Assert.assertEquals(dv.getUint32(0, false), 0xABCDEF89);
  70 Assert.assertEquals(dv.getUint32(0, true), 0x89EFCDAB);