1 /* 2 * Copyright (c) 2012, 2013, 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 * @bug 7188852 26 * @summary Test De/Inflater.getBytesRead/Written() 27 * @key randomness 28 */ 29 30 import java.io.*; 31 import java.util.*; 32 import java.util.zip.*; 33 34 35 public class TotalInOut { 36 static final int BUF_SIZE= 1 * 1024 * 1024; 37 realMain(String[] args)38 static void realMain (String[] args) throws Throwable { 39 long dataSize = 128L * 1024L * 1024L; // 128MB 40 if (args.length > 0 && "large".equals(args[0])) 41 dataSize = 5L * 1024L * 1024L * 1024L; // 5GB 42 43 Deflater deflater = new Deflater(); 44 Inflater inflater = new Inflater(); 45 46 byte[] dataIn = new byte[BUF_SIZE]; 47 byte[] dataOut = new byte[BUF_SIZE]; 48 byte[] tmp = new byte[BUF_SIZE]; 49 50 Random r = new Random(); 51 r.nextBytes(dataIn); 52 long bytesReadDef = 0; 53 long bytesWrittenDef = 0; 54 long bytesReadInf = 0; 55 long bytesWrittenInf = 0; 56 57 deflater.setInput(dataIn, 0, dataIn.length); 58 while (bytesReadDef < dataSize || bytesWrittenInf < dataSize) { 59 int len = r.nextInt(BUF_SIZE/2) + BUF_SIZE / 2; 60 if (deflater.needsInput()) { 61 bytesReadDef += dataIn.length; 62 check(bytesReadDef == deflater.getBytesRead()); 63 deflater.setInput(dataIn, 0, dataIn.length); 64 } 65 int n = deflater.deflate(tmp, 0, len); 66 bytesWrittenDef += n; 67 check(bytesWrittenDef == deflater.getBytesWritten()); 68 69 inflater.setInput(tmp, 0, n); 70 bytesReadInf += n; 71 while (!inflater.needsInput()) { 72 bytesWrittenInf += inflater.inflate(dataOut, 0, dataOut.length); 73 check(bytesWrittenInf == inflater.getBytesWritten()); 74 } 75 check(bytesReadInf == inflater.getBytesRead()); 76 } 77 } 78 79 //--------------------- Infrastructure --------------------------- 80 static volatile int passed = 0, failed = 0; pass()81 static void pass() {passed++;} pass(String msg)82 static void pass(String msg) {System.out.println(msg); passed++;} fail()83 static void fail() {failed++; Thread.dumpStack();} fail(String msg)84 static void fail(String msg) {System.out.println(msg); fail();} unexpected(Throwable t)85 static void unexpected(Throwable t) {failed++; t.printStackTrace();} unexpected(Throwable t, String msg)86 static void unexpected(Throwable t, String msg) { 87 System.out.println(msg); failed++; t.printStackTrace();} check(boolean cond)88 static boolean check(boolean cond) {if (cond) pass(); else fail(); return cond;} equal(Object x, Object y)89 static void equal(Object x, Object y) { 90 if (x == null ? y == null : x.equals(y)) pass(); 91 else fail(x + " not equal to " + y);} main(String[] args)92 public static void main(String[] args) throws Throwable { 93 try {realMain(args);} catch (Throwable t) {unexpected(t);} 94 System.out.println("\nPassed = " + passed + " failed = " + failed); 95 if (failed > 0) throw new AssertionError("Some tests failed");} 96 } 97