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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 import java.io.ByteArrayInputStream;
  27 import java.io.ByteArrayOutputStream;
  28 import java.io.IOUtil;
  29 import java.util.Arrays;
  30 
  31 /* @test
  32    @summary Test copy a InputStream to a OutputStream reporting the amount 
  33             of bytes copied in total.
  34  */
  35 public class CopyInputStreamOutputStream {
  36 
  37     public static void main(String[] args) throws Exception {
  38         new CopyInputStreamOutputStream().go();
  39     }
  40 
  41 
  42     private void go() throws Exception {
  43         byte[] data = LoremIpsum.getBytes();
  44         ByteArrayInputStream in = new ByteArrayInputStream(data);
  45         ByteArrayOutputStream out = new ByteArrayOutputStream();
  46 
  47         if (IOUtil.copy(in, out) != data.length) {
  48             throw new Exception("expected amount of copied bytes wrong");
  49         }
  50 
  51         if (!Arrays.equals(data, out.toByteArray())) {
  52             throw new Exception("copied data wrong");
  53         }
  54     }
  55 }