/*

 * 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 4615343

 * @summary Check that ZipError is thrown instead of InternalError when

 * iterating entries of an invalid zip file

 */

import java.io.*;

import java.util.*;

import java.util.zip.*;

public class TestZipError {

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

        // Causing a ZipError is hard, especially on non-Windows systems.  See

        // comments below.

        String osName = System.getProperty("os.name");

        if (!System.getProperty("os.name").startsWith("Windows")) {

            return;

        }

        String fileName = "error4615343.zip";

        File f = new File(fileName);

        f.delete();

        ZipOutputStream zos;

        ZipEntry ze;

        // Create a zip file with two entries.

        zos = new ZipOutputStream(new FileOutputStream(f));

        ze = new ZipEntry("one");

        zos.putNextEntry(ze);

        zos.write("hello".getBytes());

        zos.closeEntry();

        ze = new ZipEntry("two");

        zos.putNextEntry(ze);

        zos.write("world".getBytes());

        zos.closeEntry();

        zos.close();

        // Open the ZipFile.  This will read the zip file's central

        // directory into in-memory data structures.

        ZipFile zf = new ZipFile(fileName);

        // Delete the file; of course this does not change the in-memory data

        // structures that represent the central directory!

        f.delete();

        // Re-create zip file, with different entries than earlier.  However,

        // recall that we have in-memory information about the central

        // directory of the file at its previous state.

        zos = new ZipOutputStream(new FileOutputStream(f));

        ze = new ZipEntry("uno");

        zos.putNextEntry(ze);

        zos.write("hola".getBytes());

        zos.closeEntry();

        zos.close();

        // Iterate zip file's contents.  On Windows, this will result in a

        // ZipError, because the data in the file differs from the in-memory

        // central directory information we read earlier.

        Enumeration<? extends ZipEntry> entries = zf.entries();

        try {

            while (entries.hasMoreElements()) {

                ze = entries.nextElement();

            }

            fail("Did not get expected exception");

        } catch (ZipError e) {

            pass();

        } catch (InternalError e) {

            fail("Caught InternalError instead of expected ZipError");

        } catch (Throwable t) {

            unexpected(t);

        } finally {

            zf.close();

            f.delete();

        }

    }

    //--------------------- 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");}

}