/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.io.File;

import java.nio.file.Files;

/*

 * @test

 * @summary jpackage create image with no --name

 * @library ../helpers

 * @build JPackageHelper

 * @build JPackagePath

 * @modules jdk.jpackage

 * @run main/othervm -Xmx512m JPackageCreateAppImageNoNameTest

 */

public class JPackageCreateAppImageNoNameTest {

    private static final String OUTPUT = "output";

    private static final String appOutput = JPackagePath.getAppOutputFile();

    private static final String[] CMD = {

        "create-app-image",

        "--input", "input",

        "--output", OUTPUT,

        "--main-jar", "hello.jar",

        "--main-class", "Hello",

    };

    private static void validateResult(String[] result) throws Exception {

        if (result.length != 2) {

            throw new AssertionError(

                   "Unexpected number of lines: " + result.length);

        }

        if (!result[0].trim().equals("jpackage test application")) {

            throw new AssertionError("Unexpected result[0]: " + result[0]);

        }

        if (!result[1].trim().equals("args.length: 0")) {

            throw new AssertionError("Unexpected result[1]: " + result[1]);

        }

    }

    private static void validate() throws Exception {

        int retVal = JPackageHelper.execute(null, app);

        if (retVal != 0) {

            throw new AssertionError(

                   "Test application exited with error: " + retVal);

        }

        File outfile = new File(appWorkingDir + File.separator + appOutput);

        if (!outfile.exists()) {

            throw new AssertionError(appOutput + " was not created");

        }

        String output = Files.readString(outfile.toPath());

        String[] result = output.split("\n");

        validateResult(result);

    }

    private static void testMainClassAttribute() throws Exception {

        JPackageHelper.executeCLI(true, CMD);

        validate();

    }

    private static void testMainClassAttributeToolProvider() throws Exception {

        JPackageHelper.deleteOutputFolder(OUTPUT);

        JPackageHelper.executeToolProvider(true, CMD);

        validate();

    }

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

        JPackageHelper.createHelloImageJar();

        testMainClassAttribute();

        testMainClassAttributeToolProvider();

    }

}