001/**
002 * Copyright (c) 2004-2016 QOS.ch
003 * All rights reserved.
004 *
005 * Permission is hereby granted, free  of charge, to any person obtaining
006 * a  copy  of this  software  and  associated  documentation files  (the
007 * "Software"), to  deal in  the Software without  restriction, including
008 * without limitation  the rights to  use, copy, modify,  merge, publish,
009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
010 * permit persons to whom the Software  is furnished to do so, subject to
011 * the following conditions:
012 *
013 * The  above  copyright  notice  and  this permission  notice  shall  be
014 * included in all copies or substantial portions of the Software.
015 *
016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
023 *
024 */
025package org.slf4j.helpers;
026
027import java.io.PrintStream;
028import java.util.ArrayList;
029import java.util.Collections;
030import java.util.List;
031
032import org.junit.After;
033import org.junit.Before;
034import org.slf4j.LoggerFactoryFriend;
035import org.slf4j.impl.SimpleLogger;
036
037public class SimpleLoggerMultithreadedInitializationTest extends MultithreadedInitializationTest {
038    // final static int THREAD_COUNT = 4 + Runtime.getRuntime().availableProcessors() * 2;
039    // private final List<Logger> createdLoggers = Collections.synchronizedList(new ArrayList<Logger>());
040    // private final AtomicLong eventCount = new AtomicLong(0);
041    //
042    // private final CyclicBarrier barrier = new CyclicBarrier(THREAD_COUNT + 1);
043    //
044    // final int diff = new Random().nextInt(10000);
045    static int NUM_LINES_IN_SLF4J_REPLAY_WARNING = 3;
046    private final PrintStream oldErr = System.err;
047    final String loggerName = this.getClass().getName();
048    StringPrintStream sps = new StringPrintStream(oldErr, true);
049
050    @Before
051    public void setup() {
052        System.out.println("THREAD_COUNT=" + THREAD_COUNT);
053        System.setErr(sps);
054        System.setProperty(SimpleLogger.LOG_FILE_KEY, "System.err");
055        LoggerFactoryFriend.reset();
056    }
057
058    @After
059    public void tearDown() throws Exception {
060        LoggerFactoryFriend.reset();
061        System.clearProperty(SimpleLogger.LOG_FILE_KEY);
062        System.setErr(oldErr);
063    }
064
065    @Override
066    protected long getRecordedEventCount() {
067        return sps.stringList.size();
068    };
069
070    @Override
071    protected int extraLogEvents() {
072        return NUM_LINES_IN_SLF4J_REPLAY_WARNING;
073    }
074
075    static class StringPrintStream extends PrintStream {
076
077        public static final String LINE_SEP = System.getProperty("line.separator");
078        PrintStream other;
079        boolean duplicate = false;
080
081        List<String> stringList = Collections.synchronizedList(new ArrayList<String>());
082
083        public StringPrintStream(PrintStream ps, boolean duplicate) {
084            super(ps);
085            other = ps;
086            this.duplicate = duplicate;
087        }
088
089        public StringPrintStream(PrintStream ps) {
090            this(ps, false);
091        }
092
093        public void print(String s) {
094            if (duplicate)
095                other.print(s);
096            stringList.add(s);
097        }
098
099        public void println(String s) {
100            if (duplicate)
101                other.println(s);
102            stringList.add(s);
103        }
104
105        public void println(Object o) {
106            if (duplicate)
107                other.println(o);
108            stringList.add(o.toString());
109        }
110    }
111
112}