/*

 * Copyright (c) 2012, 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 7175845

 * @modules jdk.jartool

 * @summary jar -uf should not change file permission

 */

import java.io.*;

import java.nio.file.*;

import java.nio.file.attribute.*;

import java.util.Set;

import java.util.spi.ToolProvider;

public class UpdateJar {

    private static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar")

        .orElseThrow(() ->

            new RuntimeException("jar tool not found")

        );

    private static void cleanup(String... fnames) throws Throwable {

        for (String fname : fnames) {

            Files.deleteIfExists(Paths.get(fname));

        }

    }

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

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

            String jar = "testUpdateJar.jar";

            String e0  = "testUpdateJar_entry0.txt";

            String e1  = "testUpdateJar_entry1.txt";

            cleanup(jar, e0, e1);

            try {

                try (FileOutputStream fos0 = new FileOutputStream(e0);

                     FileOutputStream fos1 = new FileOutputStream(e1)) {

                    fos0.write(0);

                    fos1.write(0);

                }

                String[] jarArgs = new String[] {"cfM0", jar, e0};

                if (JAR_TOOL.run(System.out, System.err, jarArgs) != 0) {

                    fail("Could not create jar file.");

                }

                Set<PosixFilePermission> pm = Files.getPosixFilePermissions(Paths.get(jar));

                jarArgs = new String[] {"uf", jar, e1};

                if (JAR_TOOL.run(System.out, System.err, jarArgs) != 0) {

                    fail("Could not create jar file.");

                }

                equal(pm, Files.getPosixFilePermissions(Paths.get(jar)));

            } finally {

                cleanup(jar, e0, e1);

            }

        }

    }

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

}