/*
 * Copyright (c) 2015, 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.
 *
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 */

import jdk.testlibrary.OutputAnalyzer;
import jdk.testlibrary.ProcessTools;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * @test
 * @bug 8076264
 * @summary Launching app shouldn't require enclosing class for the main class.
 * @library /lib/testlibrary
 * @run main/othervm MainClassWithoutEnclosingClass
 */
public final class MainClassWithoutEnclosingClass {

    public static final class Main {
        public static void main(final String[] args) {
            System.out.print("Main");
        }
    }

    static final String MAIN_CLASS = "MainClassWithoutEnclosingClass$Main";

    public static void main(final String[] args) throws Exception {
        File zipFile = new File("MainClassWithoutEnclosingClass-tmp.zip");
        zipFile.delete();

        try (FileOutputStream fos = new FileOutputStream(zipFile);
             BufferedOutputStream bos = new BufferedOutputStream(fos);
             ZipOutputStream zos = new ZipOutputStream(bos)) {

            // Add entries to allow the zip file to be used with "java -jar"
            zos.putNextEntry(new ZipEntry("META-INF/MANIFEST.MF"));
            for (final String line : new String[]{
                    "Manifest-Version: 1.0",
                    "Main-Class: " + MAIN_CLASS,
            }) {
                zos.write((line + "\n").getBytes("US-ASCII"));
            }
            zos.closeEntry();

            String testClasses = System.getProperty("test.classes");
            String baseName = MAIN_CLASS + ".class";
            zos.putNextEntry(new ZipEntry(baseName));
            Files.copy(Paths.get(testClasses, baseName), zos);
            zos.closeEntry();
        }
        // Check java -jar
        String javaHome = System.getProperty("java.home");
        String java = Paths.get(javaHome, "bin", "java").toString();
        String[] cmd = {java, "-jar", zipFile.getName()};
        ProcessBuilder pb = new ProcessBuilder(cmd);
        OutputAnalyzer a = ProcessTools.executeProcess(pb);
        a.shouldHaveExitValue(0);
        a.stdoutShouldMatch("\\AMain\\Z");
        a.stderrShouldMatch("\\A\\Z");
        zipFile.delete();
    }
}