/*

 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

 * @bug 7188852

 * @summary Test De/Inflater.getBytesRead/Written()

 */

import java.io.*;

import java.util.*;

import java.util.zip.*;

public class TotalInOut {

     static final int BUF_SIZE= 1 * 1024 * 1024;

     static void realMain (String[] args) throws Throwable {

         long dataSize = 128L * 1024L * 1024L;      // 128MB

         if (args.length > 0 && "large".equals(args[0]))

             dataSize = 5L * 1024L * 1024L * 1024L; //  5GB

         Deflater deflater = new Deflater();

         Inflater inflater = new Inflater();

         byte[] dataIn = new byte[BUF_SIZE];

         byte[] dataOut = new byte[BUF_SIZE];

         byte[] tmp = new byte[BUF_SIZE];

         Random r = new Random();

         r.nextBytes(dataIn);

         long bytesReadDef    = 0;

         long bytesWrittenDef = 0;

         long bytesReadInf    = 0;

         long bytesWrittenInf = 0;

         deflater.setInput(dataIn, 0, dataIn.length);

         while (bytesReadDef < dataSize || bytesWrittenInf < dataSize) {

             int len = r.nextInt(BUF_SIZE/2) + BUF_SIZE / 2;

             if (deflater.needsInput()) {

                 bytesReadDef += dataIn.length;

                 check(bytesReadDef == deflater.getBytesRead());

                 deflater.setInput(dataIn, 0, dataIn.length);

             }

             int n = deflater.deflate(tmp, 0, len);

             bytesWrittenDef += n;

             check(bytesWrittenDef == deflater.getBytesWritten());

             inflater.setInput(tmp, 0, n);

             bytesReadInf += n;

             while (!inflater.needsInput()) {

                 bytesWrittenInf += inflater.inflate(dataOut, 0, dataOut.length);

                 check(bytesWrittenInf == inflater.getBytesWritten());

             }

             check(bytesReadInf == inflater.getBytesRead());

         }

     }

     //--------------------- Infrastructure ---------------------------

     static volatile int passed = 0, failed = 0;

     static void pass() {passed++;}

     static void pass(String msg) {System.out.println(msg); passed++;}

     static void fail() {failed++; Thread.dumpStack();}

     static void fail(String msg) {System.out.println(msg); fail();}

     static void unexpected(Throwable t) {failed++; t.printStackTrace();}

     static void unexpected(Throwable t, String msg) {

         System.out.println(msg); failed++; t.printStackTrace();}

     static boolean check(boolean cond) {if (cond) pass(); else fail(); return cond;}

     static void equal(Object x, Object y) {

          if (x == null ? y == null : x.equals(y)) pass();

          else fail(x + " not equal to " + y);}

     public static void main(String[] args) throws Throwable {

          try {realMain(args);} catch (Throwable t) {unexpected(t);}

          System.out.println("\nPassed = " + passed + " failed = " + failed);

          if (failed > 0) throw new AssertionError("Some tests failed");}

}