/*

 * 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.

 *

 * 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.PrintStream;

import java.lang.System.Logger;

import java.lang.System.Logger.Level;

import java.util.ArrayList;

import java.util.concurrent.atomic.AtomicBoolean;

import java.util.Enumeration;

import java.util.List;

import java.util.ResourceBundle;

import java.util.Set;

import jdk.internal.logger.BootstrapLogger;

import jdk.internal.logger.LazyLoggers;

/*

 * @test

 * @bug     8144460 8144214

 * @summary Cover the logXX and LogEvent.valueOf APIs of BootstrapLogger

 *          and logXX APIs of SimpleConsoleLogger.

 * @modules java.base/jdk.internal.logger

 *          java.base/sun.util.logging

 * @build BootstrapLoggerUtils LogStream

 * @run main/othervm BootstrapLoggerAPIsTest

 */

public class BootstrapLoggerAPIsTest {

    private static final LogStream ERR = new LogStream();

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

        final ContentManager MGR = new ContentManager();

        // private reflection hook that allows us to simulate a non booted VM

        final AtomicBoolean VM_BOOTED = new AtomicBoolean(false);

        BootstrapLoggerUtils.setBootedHook(() -> VM_BOOTED.get());

        // We replace System.err to check the messages that have been logged

        // by the JUL ConsoleHandler and default SimpleConsoleLogger

        // implementaion

        System.setErr(new PrintStream(ERR));

        VM_BOOTED.getAndSet(false);

        if (BootstrapLogger.isBooted()) {

            throw new RuntimeException("VM should not be booted!");

        }

        final Logger LOGGER =

        final sun.util.logging.PlatformLogger.Level PLATFORM_LEVEL =

                sun.util.logging.PlatformLogger.Level.SEVERE;

        final MyResources BUNDLE = new MyResources();

        /*

         * Test logXX APIs for interface java.lang.System.Logger. Log content

         * before VM is booted should be retained. Log content after VM was

         * booted should be flushed instantly. VM is not booted in first round

         * of loop, VM is booted in second round of loop.

         */

        for (int i = 0; i < 2; i++) {

            boolean booted = BootstrapLogger.isBooted();

            // make sure there is no [remaining] content in the LogStream.

            MGR.failLog("xyz", "throwable #", "MyClass_#", "MyMethod_#");

            /*

             * test logXX APIs for interface java.lang.System.Logger.

             */

            // void log(java.lang.System$Logger$Level,java.util.ResourceBundle,

            //          java.lang.String,java.lang.Throwable)

            LOGGER.log(Level.ERROR, BUNDLE, "abc #0", new RuntimeException("throwable #0"));

            MGR.checkLog(booted, "xyz #0", "throwable #0");

            // void log(java.lang.System$Logger$Level,java.util.ResourceBundle,

            //          java.lang.String,java.lang.Object[])

            LOGGER.log(Level.ERROR, BUNDLE, "abc #1");

            MGR.checkLog(booted, "xyz #1");

            // void log(java.lang.System$Logger$Level,java.lang.String,java.lang.Object[])

            LOGGER.log(Level.ERROR, BUNDLE, "abc {0}", "#2");

            MGR.checkLog(booted, "xyz #2");

            // void log(java.lang.System$Logger$Level,java.lang.String,java.lang.Throwable)

            LOGGER.log(Level.ERROR, "xyz #3", new RuntimeException("throwable #3"));

            MGR.checkLog(booted, "xyz #3", "throwable #3");

            // void log(java.lang.System$Logger$Level,java.util.function.Supplier)

            LOGGER.log(Level.ERROR, () -> "xyz #4");

            MGR.checkLog(booted, "xyz #4");

            // void log(java.lang.System$Logger$Level,java.lang.Object)

            LOGGER.log(Level.ERROR, new MyObject("xyz #5"));

            MGR.checkLog(booted, "xyz #5");

            // void log(java.lang.System$Logger$Level,java.util.function.Supplier,

            //          java.lang.Throwable)

            LOGGER.log(Level.ERROR, () -> "xyz #6", new RuntimeException("throwable #6"));

            MGR.checkLog(booted, "xyz #6", "throwable #6");

            /*

             * test logXX APIs for interface

             * sun.util.logging.PlatformLogger.Bridge.

             */

            sun.util.logging.PlatformLogger.Bridge bridge =

                    (sun.util.logging.PlatformLogger.Bridge) LOGGER;

            // void log(sun.util.logging.PlatformLogger$Level,java.lang.String)

            bridge.log(PLATFORM_LEVEL, "xyz #7");

            MGR.checkLog(booted, "xyz #7");

            // void log(sun.util.logging.PlatformLogger$Level,java.lang.String,java.lang.Throwable)

            bridge.log(PLATFORM_LEVEL, "xyz #8", new RuntimeException("throwable #8"));

            MGR.checkLog(booted, "xyz #8", "throwable #8");

            // void log(sun.util.logging.PlatformLogger$Level,java.lang.String,java.lang.Object[])

            bridge.log(PLATFORM_LEVEL, "xyz {0}", "#9");

            MGR.checkLog(booted, "xyz #9");

            // void log(sun.util.logging.PlatformLogger$Level,java.util.function.Supplier)

            bridge.log(PLATFORM_LEVEL, () -> "xyz #10");

            MGR.checkLog(booted, "xyz #10");

            // void log(sun.util.logging.PlatformLogger$Level,

            //        java.lang.Throwable,java.util.function.Supplier)

            bridge.log(PLATFORM_LEVEL, new RuntimeException("throwable #11"), () -> "xyz #11");

            MGR.checkLog(booted, "xyz #11", "throwable #11");

            // void logp(sun.util.logging.PlatformLogger$Level,java.lang.String,

            //          java.lang.String,java.lang.String)

            bridge.logp(PLATFORM_LEVEL, "MyClass_#12", "MyMethod_#12", "xyz #12");

            MGR.checkLog(booted, "xyz #12", "MyClass_#12", "MyMethod_#12");

            // void logp(sun.util.logging.PlatformLogger$Level,java.lang.String,

            //          java.lang.String,java.util.function.Supplier)

            bridge.logp(PLATFORM_LEVEL, "MyClass_#13", "MyMethod_#13", () -> "xyz #13");

            MGR.checkLog(booted, "xyz #13", "MyClass_#13", "MyMethod_#13");

            // void logp(sun.util.logging.PlatformLogger$Level,java.lang.String,

            //          java.lang.String,java.lang.String,java.lang.Object[])

            bridge.logp(PLATFORM_LEVEL, "MyClass_#14", "MyMethod_#14", "xyz {0}", "#14");

            MGR.checkLog(booted, "xyz #14", "MyClass_#14", "MyMethod_#14");

            // void logp(sun.util.logging.PlatformLogger$Level,java.lang.String,

            //          java.lang.String,java.lang.String,java.lang.Throwable)

            bridge.logp(PLATFORM_LEVEL, "MyClass_#15", "MyMethod_#15",

                    "xyz #15", new RuntimeException("throwable #15"));

            MGR.checkLog(booted, "xyz #15", "throwable #15", "MyClass_#15", "MyMethod_#15");

            // void logp(sun.util.logging.PlatformLogger$Level,java.lang.String,

            //          java.lang.String,java.lang.Throwable,java.util.function.Supplier)

            bridge.logp(PLATFORM_LEVEL, "MyClass_#16", "MyMethod_#16",

                    new RuntimeException("throwable #16"), () -> "xyz #16");

            MGR.checkLog(booted, "xyz #16", "throwable #16", "MyClass_#16", "MyMethod_#16");

            // void logrb(sun.util.logging.PlatformLogger$Level,java.lang.String,java.lang.String,

            //          java.util.ResourceBundle,java.lang.String,java.lang.Object[])

            bridge.logrb(PLATFORM_LEVEL, "MyClass_#17", "MyMethod_#17",

                    BUNDLE, "abc {0}", "#17");

            MGR.checkLog(booted, "xyz #17", "MyClass_#17", "MyMethod_#17");

            // void logrb(sun.util.logging.PlatformLogger$Level,java.lang.String,java.lang.String,

            //          java.util.ResourceBundle,java.lang.String,java.lang.Throwable)

            bridge.logrb(PLATFORM_LEVEL, "MyClass_#18", "MyMethod_#18",

                    BUNDLE, "abc #18", new RuntimeException("throwable #18"));

            MGR.checkLog(booted, "xyz #18", "throwable #18", "MyClass_#18", "MyMethod_#18");

            // void logrb(sun.util.logging.PlatformLogger$Level,java.util.ResourceBundle,

            //          java.lang.String,java.lang.Object[])

            bridge.logrb(PLATFORM_LEVEL, BUNDLE, "abc {0}", "#19");

            MGR.checkLog(booted, "xyz #19");

            // void logrb(sun.util.logging.PlatformLogger$Level,java.util.ResourceBundle,

            //          java.lang.String,java.lang.Throwable)

            bridge.logrb(PLATFORM_LEVEL, BUNDLE, "abc #20",

                        new RuntimeException("throwable #20"));

            MGR.checkLog(booted, "xyz #20", "throwable #20");

            /*

             * retained log content should be flushed after VM is booted.

             */

            if (!booted) {

                VM_BOOTED.getAndSet(true);

                // trigger the flush, make sure to call LOGGER.log(...)

                // after VM_BOOTED.getAndSet(true) and before MGR.assertCachedLog()

                LOGGER.log(Level.ERROR, "VM was just booted! This log should flush the cached logs.");

                MGR.assertCachedLog();

            }

        }

    }

    private static class ContentManager {

        final List<String[]> cached = new ArrayList<String[]>();

        String[] last;

        public void cache() {

            cached.add(last);

        }

        public ContentManager failLog(String... nonexistent) {

            last = nonexistent;

            for (String c : nonexistent) {

                if (ERR.drain().contains(c)) {

                    throw new RuntimeException("Content \"" + nonexistent

                            + "\" should not exist in the log!");

                }

            }

            return this;

        }

        public void assertLog(String... logs) {

            String log = ERR.drain();

            for (String str : logs) {

                if (!log.contains(str)) {

                    throw new RuntimeException("Content \"" + str + "\" does not exist in the log!");

                }

            }

        }

        public void checkLog(boolean booted, String... logs) {

            if (!booted) {

                failLog(logs).cache();

            } else {

                assertLog(logs);

            }

        }

        public void assertCachedLog() {

            String log = ERR.drain();

            for (String[] arr : cached) {

                for (String c : arr) {

                    if (!log.contains(c)) {

                        throw new RuntimeException("Content \"" + c + "\" does not exist in the log!");

                    }

                }

            }

        }

    }

    private static class MyObject {

        String str;

        public MyObject(String str) {

            this.str = str;

        }

        public String toString() {

            return str;

        }

    }

    private static class MyResources extends ResourceBundle {

        public Object handleGetObject(String key) {

            if (key.contains("abc #") || key.contains("abc {")) {

                return key.replaceAll("abc ", "xyz ");

            }

            return null;

        }

        public Enumeration<String> getKeys() {

            return null;

        }

    }

}