/**
    * 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.apache.commons.logging.test;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.assertEquals;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  import org.junit.Test;
  
  public class InvokeJCLTest {
  
      @Test
      public void testIsEnabledAPI() {
          // assume that we are running over slf4j-jdk14
          Log log = LogFactory.getLog(InvokeJCLTest.class);
          assertFalse(log.isTraceEnabled());
          assertFalse(log.isDebugEnabled());
          assertTrue(log.isInfoEnabled());
          assertTrue(log.isWarnEnabled());
          assertTrue(log.isErrorEnabled());
          assertTrue(log.isFatalEnabled());
      }
  
      @Test
      public void testPrintAPI() {
          Log log = LogFactory.getLog(InvokeJCLTest.class);
          Exception e = new Exception("just testing");
  
          log.trace(null);
          log.trace("trace message");
  
          log.debug(null);
          log.debug("debug message");
  
          log.info(null);
          log.info("info  message");
  
          log.warn(null);
          log.warn("warn message");
  
          log.error(null);
          log.error("error message");
  
          log.fatal(null);
          log.fatal("fatal message");
  
          log.trace(null, e);
          log.trace("trace message", e);
  
          log.debug(null, e);
          log.debug("debug message", e);
  
          log.info(null, e);
          log.info("info  message", e);
  
          log.warn(null, e);
          log.warn("warn message", e);
  
          log.error(null, e);
          log.error("error message", e);
  
          log.fatal(null, e);
          log.fatal("fatal message", e);
      }
  
      @Test
      public void testAvoidConvertingObjectToString() {
          Log log = LogFactory.getLog(InvokeJCLTest.class);
          Exception e = new Exception("just testing");
  
          TestMessage fatalMsg = new TestMessage("fatal msg");
          TestMessage errorMsg = new TestMessage("error msg");
         TestMessage warnMsg = new TestMessage("warn msg");
         TestMessage infoMsg = new TestMessage("info msg");
         TestMessage debugMsg = new TestMessage("debug msg");
         TestMessage traceMsg = new TestMessage("trace msg");
 
         log.fatal(fatalMsg);
         log.fatal(fatalMsg, e);
         assertEquals(2, fatalMsg.invokedCount);
 
         log.error(errorMsg);
         log.error(errorMsg, e);
         assertEquals(2, errorMsg.invokedCount);
 
         log.warn(warnMsg);
         log.warn(warnMsg, e);
         assertEquals(2, warnMsg.invokedCount);
 
         log.info(infoMsg);
         log.info(infoMsg, e);
         assertEquals(2, infoMsg.invokedCount);
 
         log.debug(debugMsg);
         log.debug(debugMsg, e);
         assertEquals(0, debugMsg.invokedCount);
 
         log.trace(traceMsg);
         log.trace(traceMsg, e);
         assertEquals(0, traceMsg.invokedCount);
     }
 
     static class TestMessage {
 
         private final String msg;
         int invokedCount = 0;
 
         TestMessage(String msg) {
             this.msg = msg;
         }
 
         @Override
         public String toString() {
             invokedCount++;
             return msg;
         }
     }
 
 }