/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.classic;
  
  import java.io.ByteArrayInputStream;
  import java.util.concurrent.TimeUnit;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import ch.qos.logback.classic.joran.JoranConfigurator;
  import ch.qos.logback.core.joran.spi.JoranException;
  import org.junit.jupiter.api.Timeout;
  
  public class LoggerContextDeadlockTest {
  
      LoggerContext loggerContext = new LoggerContext();
  
      GetLoggerThread getLoggerThread = new GetLoggerThread(loggerContext);
  
      @BeforeEach
      public void setUp() throws Exception {
  
      }
  
      @AfterEach
      public void tearDown() throws Exception {
      }
  
      // LBCLASSIC_81
      // LOGBACK-394
      @Test
      @Timeout(value = 20, unit= TimeUnit.SECONDS)
      public void test_LOGBACK_394() throws JoranException {
  
          getLoggerThread.start();
          for (int i = 0; i < 500; i++) {
              JoranConfigurator jc = new JoranConfigurator();
              jc.setContext(loggerContext);
              ByteArrayInputStream baos = new ByteArrayInputStream(
                      "<configuration><root level=\"DEBUG\"/></configuration>".getBytes());
              jc.doConfigure(baos);
          }
      }
  
      class GetLoggerThread extends Thread {
  
          final LoggerContext loggerContext;
  
          GetLoggerThread(LoggerContext loggerContext) {
              this.loggerContext = loggerContext;
          }
  
          @Override
          public void run() {
              for (int i = 0; i < 10000; i++) {
                  if (i % 100 == 0) {
                      try {
                          Thread.sleep(1);
                      } catch (InterruptedException e) {
                      }
                  }
                  loggerContext.getLogger("a" + i);
              }
          }
      }
  
  }