/*

 * Copyright (c) 2006, 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 4679743

 * @summary Test parts of DeflaterInputStream code that don't really do I/O.

 */

import java.io.*;

import java.util.zip.*;

public class ConstructDeflaterInput {

    static class MyDeflater extends Deflater {

        private boolean ended = false;

        boolean getEnded() { return ended; }

        public void end() {

            fail("MyDeflater had end() called");

            super.end();

        }

    }

    public static void realMain(String[] args) throws Throwable {

        ByteArrayInputStream bais = new ByteArrayInputStream(

            "hello, world".getBytes());

        MyDeflater def = new MyDeflater();

        DeflaterInputStream dis = null;

        byte[] b = new byte[512];

        // Check construction

        //

        try {

            dis = new DeflaterInputStream(null);

            fail();

        } catch (NullPointerException ex) {

            pass();

        }

        try {

            dis = new DeflaterInputStream(bais, null);

            fail();

        } catch (NullPointerException ex) {

            pass();

        }

        try {

            dis = new DeflaterInputStream(bais, def, 0);

            fail();

        } catch (IllegalArgumentException ex) {

            pass();

        }

        // Check sanity checks in read methods

        //

        dis = new DeflaterInputStream(bais, def);

        try {

            dis.read(null, 5, 2);

            fail();

        } catch (NullPointerException ex) {

            pass();

        }

        try {

            dis.read(b, -1, 0);

            fail();

        } catch (IndexOutOfBoundsException ex) {

            pass();

        }

        try {

            dis.read(b, 0, -1);

            fail();

        } catch (IndexOutOfBoundsException ex) {

            pass();

        }

        try {

            dis.read(b, 0, 600);

            fail();

        } catch (IndexOutOfBoundsException ex) {

            pass();

        }

        int len = 0;

        try {

            len = dis.read(b, 0, 0);

            check(len == 0);

        } catch (IndexOutOfBoundsException ex) {

            fail("Read of length 0 should return 0, but returned " + len);

        }

        try {

            dis.skip(-1);

            fail();

        } catch (IllegalArgumentException ex) {

            pass();

        }

        // Check unsupported operations

        //

        check(!dis.markSupported());

        check(dis.available() == 1);

        check(!def.getEnded());

        try {

            dis.reset();

            fail();

        } catch (IOException ex) {

            pass();

        }

        // Check close

        //

        dis.close();

        check(!def.getEnded());

        try {

            dis.available();

            fail();

        } catch (IOException ex) {

            pass();

        }

        try {

            int x = dis.read();

            fail();

        } catch (IOException ex) {

            pass();

        }

        try {

            dis.skip(1);

            fail();

        } catch (IOException ex) {

            pass();

        }

    }

    //--------------------- Infrastructure ---------------------------

    static volatile int passed = 0, failed = 0;

    static void pass() {passed++;}

    static void fail() {failed++; Thread.dumpStack();}

    static void fail(String msg) {System.out.println(msg); fail();}

    static void unexpected(Throwable t) {failed++; t.printStackTrace();}

    static void check(boolean cond) {if (cond) pass(); else fail();}

    static void equal(Object x, Object y) {

        if (x == null ? y == null : x.equals(y)) pass();

        else fail(x + " not equal to " + y);}

    public static void main(String[] args) throws Throwable {

        try {realMain(args);} catch (Throwable t) {unexpected(t);}

        System.out.println("\nPassed = " + passed + " failed = " + failed);

        if (failed > 0) throw new AssertionError("Some tests failed");}

}