/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2022, 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.pattern;
  
  import ch.qos.logback.classic.Level;
  import ch.qos.logback.classic.Logger;
  import ch.qos.logback.classic.LoggerContext;
  import ch.qos.logback.classic.PatternLayout;
  import ch.qos.logback.classic.spi.ILoggingEvent;
  import ch.qos.logback.classic.spi.LoggingEvent;
  import ch.qos.logback.core.status.testUtil.StatusChecker;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  //import ch.qos.logback.core.util.StatusPrinter;
  
  public class CompositeConverterTest {
  
      private PatternLayout pl = new PatternLayout();
      private LoggerContext lc = new LoggerContext();
      Logger logger = lc.getLogger(this.getClass());
      StatusChecker sc = new StatusChecker(lc);
      
      
      @BeforeEach
      public void setUp() {
          pl.setContext(lc);
      }
  
      ILoggingEvent makeLoggingEvent(String msg, Exception ex) {
          return new LoggingEvent(CompositeConverterTest.class.getName(), logger, Level.INFO, msg, ex, null);
      }
  
      
  
      @Test
      public void testLogback1582() {
          // EVAL_REF is searched within the context, if context is not set (== null), then
          // a NullPointerException will be thrown
          pl.setPattern("%m  %replace(%rootException{5, EVAL_REF}){'\\n', 'XYZ'}\"");
          pl.start();
          ILoggingEvent le = makeLoggingEvent("assert", new Exception("test"));
          
          String result = pl.doLayout(le);
          sc.assertIsErrorFree();
          assertTrue(result.contains("XYZ"));
      }
  
  }