/*

 * Copyright (c) 2018, 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

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 * questions.

 */

 /*

 * @test

 * @summary jpackager help test

 * @library helpers

 * @build JPackagerHelper

 * @build JPackagerPath

 * @modules jdk.jpackager

 * @run main/othervm -Xmx512m JPackagerHelpTest

 */

public class JPackagerHelpTest {

    // Platform specific help messages.

    private static final String WINDOWS_HELP =

            "The following options are valid for Windows platforms";

    private static final String OSX_HELP =

            "The following options are valid for Mac OS X platforms";

    private static final String LINUX_HELP =

            "The following options are valid for Linux platforms";

    private static void validate(String output1, String output2)

            throws Exception {

        if (output1.split("\n").length < 25) {

            throw new AssertionError("jpacakger --help failed");

        }

        if (output2.split("\n").length < 25) {

            throw new AssertionError("jpacakger -h failed");

        }

        // Make sure output matches for --help and -h

        if (!output1.equals(output2)) {

            System.err.println("================= --help =================");

            System.err.println(output1);

            System.err.println("=================== -h ===================");

            System.err.println(output2);

            throw new AssertionError(

                    "jpacakger help text does not match between --help and -h");

        }

        if (JPackagerHelper.isWindows()) {

            if (!output1.contains(WINDOWS_HELP)) {

                throw new AssertionError(

                  "jpacakger help text missing Windows specific help");

            }

            if (output1.contains(OSX_HELP) || output1.contains(LINUX_HELP)) {

                throw new AssertionError(

                  "jpacakger help text contains other platforms specific help");

            }

        } else if (JPackagerHelper.isOSX()) {

            if (!output1.contains(OSX_HELP)) {

                throw new AssertionError(

                  "jpacakger help text missing OS X specific help");

            }

            if (output1.contains(WINDOWS_HELP) ||

                    output1.contains(LINUX_HELP)) {

                throw new AssertionError(

                 "jpacakger help text contains other platforms specific help");

            }

        } else if (JPackagerHelper.isLinux()) {

            if (!output1.contains(LINUX_HELP)) {

                throw new AssertionError(

                  "jpacakger help text missing Linux specific help");

            }

            if (output1.contains(OSX_HELP) || output1.contains(WINDOWS_HELP)) {

                throw new AssertionError(

                  "jpacakger help text contains other platforms specific help");

            }

        }

    }

    private static void testHelp() throws Exception {

        String output1 = JPackagerHelper.executeCLI(true, "--help");

        String output2 = JPackagerHelper.executeCLI(true, "-h");

        validate(output1, output2);

    }

    private static void testHelpToolProvider() throws Exception {

        String output1 = JPackagerHelper.executeToolProvider(true, "--help");

        String output2 = JPackagerHelper.executeToolProvider(true, "-h");

        validate(output1, output2);

    }

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

        testHelp();

        testHelpToolProvider();

    }

}