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