/**
    * Copyright (c) 2004-2011 QOS.ch
    * All rights reserved.
    *
    * Permission is hereby granted, free  of charge, to any person obtaining
    * a  copy  of this  software  and  associated  documentation files  (the
    * "Software"), to  deal in  the Software without  restriction, including
    * without limitation  the rights to  use, copy, modify,  merge, publish,
    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
   * permit persons to whom the Software  is furnished to do so, subject to
   * the following conditions:
   *
   * The  above  copyright  notice  and  this permission  notice  shall  be
   * included in all copies or substantial portions of the Software.
   *
   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   */
  package org.slf4j.jul;
  
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.slf4j.*;
  
  import java.util.logging.Handler;
  import java.util.logging.Level;
  import java.util.logging.LogRecord;
  
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  /**
   * Test whether invoking the SLF4J API causes problems or not.
   *
   * @author Ceki Gulcu
   */
  public class InvocationTest {
  
      Level oldLevel;
      java.util.logging.Logger root = java.util.logging.Logger.getLogger("");
  
      ListHandler listHandler = new ListHandler();
  
      @Before
      public void setUp() throws Exception {
          oldLevel = root.getLevel();
          root.setLevel(Level.FINE);
          // removeAllHandlers(root);
          root.addHandler(listHandler);
      }
  
      @After
      public void tearDown() throws Exception {
          root.setLevel(oldLevel);
          removeListHandlers(root);
      }
  
      void removeListHandlers(java.util.logging.Logger logger) {
          Handler[] handlers = logger.getHandlers();
          for (Handler h : handlers) {
              if (h instanceof ListHandler)
                  logger.removeHandler(h);
          }
      }
  
      @Test
      public void smoke() {
          Logger logger = LoggerFactory.getLogger("test1");
          logger.debug("Hello world.");
          assertLogMessage("Hello world.", 0);
      }
  
      @Test
      public void verifyMessageFormatting() {
          Integer i1 = Integer.valueOf(1);
          Integer i2 = Integer.valueOf(2);
          Integer i3 = Integer.valueOf(3);
          Exception e = new Exception("This is a test exception.");
          Logger logger = LoggerFactory.getLogger("test2");
  
          int index = 0;
          logger.debug("Hello world");
          assertLogMessage("Hello world", index++);
  
          logger.debug("Hello world {}", i1);
          assertLogMessage("Hello world " + i1, index++);
  
          logger.debug("val={} val={}", i1, i2);
          assertLogMessage("val=1 val=2", index++);
 
         logger.debug("val={} val={} val={}", new Object[] { i1, i2, i3 });
         assertLogMessage("val=1 val=2 val=3", index++);
 
         logger.debug("Hello world 2", e);
         assertLogMessage("Hello world 2", index);
         assertException(e.getClass(), index++);
         logger.info("Hello world 2.");
 
         logger.warn("Hello world 3.");
         logger.warn("Hello world 3", e);
 
         logger.error("Hello world 4.");
         logger.error("Hello world {}", Integer.valueOf(3));
         logger.error("Hello world 4.", e);
     }
 
     @Test
     public void testNull() {
         Logger logger = LoggerFactory.getLogger("testNull");
         logger.debug(null);
         logger.info(null);
         logger.warn(null);
         logger.error(null);
 
         Exception e = new Exception("This is a test exception.");
         logger.debug(null, e);
         logger.info(null, e);
         logger.warn(null, e);
         logger.error(null, e);
     }
 
     @Test
     public void testMarker() {
         Logger logger = LoggerFactory.getLogger("testMarker");
         Marker blue = MarkerFactory.getMarker("BLUE");
         logger.debug(blue, "hello");
         logger.info(blue, "hello");
         logger.warn(blue, "hello");
         logger.error(blue, "hello");
 
         logger.debug(blue, "hello {}", "world");
         logger.info(blue, "hello {}", "world");
         logger.warn(blue, "hello {}", "world");
         logger.error(blue, "hello {}", "world");
 
         logger.debug(blue, "hello {} and {} ", "world", "universe");
         logger.info(blue, "hello {} and {} ", "world", "universe");
         logger.warn(blue, "hello {} and {} ", "world", "universe");
         logger.error(blue, "hello {} and {} ", "world", "universe");
     }
 
     @Test
     public void testMDC() {
         MDC.put("k", "v");
         assertNotNull(MDC.get("k"));
         assertEquals("v", MDC.get("k"));
 
         MDC.remove("k");
         assertNull(MDC.get("k"));
 
         MDC.put("k1", "v1");
         assertEquals("v1", MDC.get("k1"));
         MDC.clear();
         assertNull(MDC.get("k1"));
 
         try {
             MDC.put(null, "x");
             fail("null keys are invalid");
         } catch (IllegalArgumentException e) {
         }
     }
 
     private void assertLogMessage(String expected, int index) {
         LogRecord logRecord = listHandler.recordList.get(index);
         Assert.assertNotNull(logRecord);
         assertEquals(expected, logRecord.getMessage());
     }
 
     private void assertException(Class<? extends Throwable> exceptionType, int index) {
         LogRecord logRecord = listHandler.recordList.get(index);
         Assert.assertNotNull(logRecord);
         assertEquals(exceptionType, logRecord.getThrown().getClass());
     }
 
 }