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 * Copyright (c) 2018, 2019, 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 jpackage no argument test

 * @build JPackageHelper

 * @build JPackagePath

 * @modules jdk.jpackage

 */

    private static final String RESULT1 = "Usage: jpackage <mode> <options>";

    private static final String[] EXPECTED =

            {"--help", "list of possible options"};

    private static void validate(String output) throws Exception {

        String[] result = JPackageHelper.splitAndFilter(output);

        if (result.length != 2) {

            System.err.println(output);

            throw new AssertionError(

                    "Invalid number of lines in output: " + result.length);

        }

        if (!result[0].trim().equals(RESULT1)) {

            System.err.println("Expected: " + RESULT1);

            System.err.println("Actual: " + result[0]);

            throw new AssertionError("Unexpected line 1");

        }

        for (String expected : EXPECTED) {

            if (!result[1].contains(expected)) {

                System.err.println("Expected to contain: " + expected);

                System.err.println("Actual: " + result[1]);

                throw new AssertionError("Unexpected line 2");

            }

        }

    }

    private static void testNoArg() throws Exception {

        String output = JPackageHelper.executeCLI(true, new String[0]);

        validate(output);

    }

    private static void testNoArgToolProvider() throws Exception {

        String output =

                JPackageHelper.executeToolProvider(true, new String[0]);

        validate(output);

    }

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

        testNoArg();

        testNoArgToolProvider();

    }

}