/*

 * 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

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

 * questions.

 */

/*

 * @test

 * @bug 8211093

 * @summary Check default configuration

 * @build DefaultConfigTest

 * @run main/othervm DefaultConfigTest

 */

import java.util.Collections;

import java.util.List;

import java.util.Set;

import java.util.logging.ConsoleHandler;

import java.util.logging.Level;

import java.util.logging.LogManager;

import java.util.logging.Logger;

import java.util.stream.Collectors;

public class DefaultConfigTest {

    static final java.io.PrintStream out = System.out;

    public static void main(String arg[]) {

        LogManager manager = LogManager.getLogManager();

        if (!Set.of(Collections.list(manager.getLoggerNames()).toArray())

                .equals(Set.of("", "global"))) {

            throw new RuntimeException("Unexpected logger name in: "

                    + Collections.list(manager.getLoggerNames()));

        }

        Logger global = Logger.getGlobal();

        Logger root = Logger.getLogger("");

        Logger foo  = Logger.getLogger("com.xyz.foo");

        if (!Set.of(Collections.list(manager.getLoggerNames()).toArray())

                .equals(Set.of("", "global", "com.xyz.foo"))) {

            throw new RuntimeException("Unexpected logger name in: "

                    + Collections.list(manager.getLoggerNames()));

        }

        for (Logger l : List.of(global, foo)) {

            if (l.getLevel() != null) {

                throw new RuntimeException("Unexpected level "

                        + l.getLevel() + " for " + l.getName());

            }

            if (l.getHandlers().length != 0) {

                throw new RuntimeException("Unexpected handlers "

                        + List.of(l.getHandlers()) + " for " + l.getName());

            }

            for (Level level : List.of(

                    Level.ALL, Level.FINEST, Level.FINER, Level.FINE, Level.CONFIG)) {

                if (l.isLoggable(level)) {

                    throw new RuntimeException("Level "

                            + level + " should not be loggable for " + l.getName());

                }

            }

            for (Level level : List.of(

                    Level.INFO, Level.WARNING, Level.SEVERE)) {

                if (!l.isLoggable(level)) {

                    throw new RuntimeException("Level "

                            + level + " should be loggable for " + l.getName());

                }

            }

        }

        if (root.getLevel() != Level.INFO) {

            throw new RuntimeException("Unexpected level "

                    + root.getLevel() + " for root logger");

        }

        if (root.getHandlers().length != 1) {

            throw new RuntimeException("Unexpected handlers "

                    + List.of(root.getHandlers()) + " for root logger");

        }

        if (root.getHandlers()[0].getClass() != ConsoleHandler.class) {

            throw new RuntimeException("Unexpected handlers "

                    + List.of(root.getHandlers()) + " for root logger");

        }

        if (root.getHandlers()[0].getLevel() != Level.INFO) {

            throw new RuntimeException("Unexpected level "

                    + root.getHandlers()[0].getLevel() + " for handler "

                    + root.getHandlers()[0]);

        }

        out.println(List.of(root, global, foo).stream()

                .map(Logger::getName)

                .map(s -> String.format("\"%s\"", s))

                .collect(Collectors.joining(", ",

                        "Default configuration checked for ",

                        ".")));

    }

}