/* * Copyright (c) 2005, 2011, 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 * published by the Free Software Foundation. * * 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 5092263 * @summary GZIPInputStream o GZIPOutputStream === the identity stream * @author Martin Buchholz * @key randomness
*/
// To manually test for uncompressed streams larger than 2GB, do // javac Accordion.java && java -server Accordion 3325349068 // javac Accordion.java && java -server Accordion 5470735564
finallong bytes = args.length == 0 ? 10001 : Long.parseLong(args[0]); finalint bufsize = 1729; finallong count = bytes/bufsize; final PipedOutputStream out = new PipedOutputStream(); final PipedInputStream in = new PipedInputStream(out); final Random random = new Random(); finalbyte[] data = newbyte[1729]; for (int i = 0; i < data.length; i++)
data[i] = (byte)random.nextInt(255);
System.out.println("count="+count);
Thread compressor = newThread() { publicvoid run() { try (GZIPOutputStream s = new GZIPOutputStream(out)) { for (long i = 0; i < count; i++)
s.write(data, 0, data.length);
} catch (Throwable t) { trouble = t; }}};
Thread uncompressor = newThread() { publicvoid run() { try (GZIPInputStream s = new GZIPInputStream(in)) { finalbyte[] maybeBytes = newbyte[data.length]; for (long i = 0; i < count; i++) {
readFully(s, maybeBytes); if (! Arrays.equals(data, maybeBytes)) thrownew Exception("data corruption");
} if (s.read(maybeBytes, 0, 1) > 0) thrownew Exception("Unexpected NON-EOF");
} catch (Throwable t) { trouble = t; }}};
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