/*
 * Copyright (c) 2014, 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 8025619
 * @summary Test for IOException when using a channel from a closed stream.
 */
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;

public class InvalidFileChannel {

    public static void main(String[] args) throws IOException {
        int exceptions = 0;

        for (int i = 0; i < 3; i++) {
            File f = File.createTempFile("fcbug", ".tmp");
            f.deleteOnExit();

            FileChannel fc = null;
            boolean shared = false;
            switch (i) {
                case 0:
                    System.out.print("FileInputStream...");
                    FileInputStream fis = new FileInputStream(f);
                    fis.close();
                    fc = fis.getChannel();
                    shared = true;
                    break;
                case 1:
                    System.out.print("FileOutputStream...");
                    FileOutputStream fos = new FileOutputStream(f);
                    fos.close();
                    fc = fos.getChannel();
                    break;
                case 2:
                    System.out.print("RandomAccessFile...");
                    RandomAccessFile raf = new RandomAccessFile(f, "rw");
                    raf.close();
                    fc = raf.getChannel();
                    break;
            }

            try {
                fc.tryLock(0, Long.MAX_VALUE, shared);
            } catch (IOException e) {
                System.out.println("OK");
                exceptions++;
            } catch (Error err) {
                System.err.println(err);
            }
        }

        if (exceptions != 3) {
            throw new RuntimeException("FAILED: expected 3 IOExceptions but obtained "+exceptions);
        }
    }
}