1 /*
   2  * Copyright (c) 2001, 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 /* @test
  25  * @summary Unit test for ByteOrder.nativeOrder()
  26  */
  27 
  28 import java.nio.*;
  29 
  30 
  31 public class NativeOrder {
  32 
  33     public static void main(String[] args) throws Exception {
  34         ByteOrder bo = ByteOrder.nativeOrder();
  35         System.err.println("ByteOrder.nativeOrder:" + bo);
  36         String arch = System.getProperty("os.arch");
  37         System.err.println("os.arch:" + arch);
  38         if (((arch.equals("i386") && (bo != ByteOrder.LITTLE_ENDIAN))) ||
  39             ((arch.equals("amd64") && (bo != ByteOrder.LITTLE_ENDIAN))) ||
  40             ((arch.equals("x86_64") && (bo != ByteOrder.LITTLE_ENDIAN))) ||
  41             ((arch.equals("ppc64") && (bo != ByteOrder.BIG_ENDIAN))) ||
  42             ((arch.equals("ppc64le") && (bo != ByteOrder.LITTLE_ENDIAN))) ||
  43             ((arch.equals("s390x") && (bo != ByteOrder.BIG_ENDIAN))) ||
  44             ((arch.equals("sparc") && (bo != ByteOrder.BIG_ENDIAN)))) {
  45             throw new Exception("Wrong byte order");
  46         }
  47         System.err.println("test is OK");
  48     }
  49 
  50 }