/* * Copyright (c) 1999, 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 4214795 * @summary Make sure the same inflater will only be recycled * once.
*/
import java.io.*; import java.util.zip.*;
publicclass ReleaseInflater {
publicstaticvoid main(String[] args) throws Exception {
ZipFile zf = new ZipFile(new File(System.getProperty("test.src"), "input.jar"));
ZipEntry e = zf.getEntry("ReleaseInflater.java");
InputStream in1 = zf.getInputStream(e); // close the stream, the inflater will be released
in1.close(); // close the stream again, should be no-op
in1.close();
// create two new streams, allocating inflaters
InputStream in2 = zf.getInputStream(e);
InputStream in3 = zf.getInputStream(e);
// check to see if they influence each other if (in2.read() != in3.read()) { thrownew Exception("Stream is corrupted!");
}
}
}
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