// Copyright (C) 2004 - 2009 Philip Aston
   // All rights reserved.
   //
   // This file is part of The Grinder software distribution. Refer to
   // the file LICENSE which is part of The Grinder distribution for
   // licensing details. The Grinder distribution is available on the
   // Internet at http://grinder.sourceforge.net/
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  // OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package net.grinder.console.common;
  
  import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.List;
  
  import junit.framework.TestCase;
  import net.grinder.testutility.CallData;
  import net.grinder.testutility.RandomObjectFactory;
  import net.grinder.testutility.RandomStubFactory;
  
  
  /**
   *  Unit test case for {@link ErrorQueue}.
   *
   * @author Philip Aston
   */
  public class TestErrorQueue extends TestCase {
  
    public void testErrorQueue() throws Exception {
  
      final ErrorQueue errorQueue = new ErrorQueue();
  
      final RandomObjectFactory randomObjectFactory = new RandomObjectFactory();
  
      final Method[] methods = ErrorQueue.class.getMethods();
  
      final List<CallData> callDataList = new ArrayList<CallData>();
  
      // Call without delegate.
      for (int i = 0; i < methods.length; ++i) {
        final Method method = methods[i];
  
        if (method.getName().startsWith("handle")) {
          final Object[] parameters =
            randomObjectFactory.generateParameters(method.getParameterTypes());
  
          callDataList.add(new CallData(method, (Object)null, parameters));
  
          method.invoke(errorQueue, parameters);
        }
      }
  
      // Set delegate and assert that it gets the pending events.
      final RandomStubFactory<ErrorHandler> delegateErrorHandlerStubFactory =
        RandomStubFactory.create(ErrorHandler.class);
      errorQueue.setErrorHandler(delegateErrorHandlerStubFactory.getStub());
  
      for (CallData data : callDataList) {
        delegateErrorHandlerStubFactory.assertSuccess(data.getMethodName(),
                                                      data.getParameters());
      }
  
      delegateErrorHandlerStubFactory.assertNoMoreCalls();
  
      // Delegate should get all new pending events.
      for (int i = 0; i < methods.length; ++i) {
        final String methodName = methods[i].getName();
  
        if (methodName.startsWith("handle")) {
          final Object[] parameters =
            randomObjectFactory.generateParameters(
              methods[i].getParameterTypes());
  
          methods[i].invoke(errorQueue, parameters);
  
          delegateErrorHandlerStubFactory.assertSuccess(methodName, parameters);
        }
      }
  
      delegateErrorHandlerStubFactory.assertNoMoreCalls();
  
      // Set no delegate, assert last delegate gets no new events.
      errorQueue.setErrorHandler(null);
  
      for (int i = 0; i < methods.length; ++i) {
        final Method method = methods[i];
  
       if (method.getName().startsWith("handle")) {
         final Object[] parameters =
           randomObjectFactory.generateParameters(method.getParameterTypes());
 
         callDataList.add(new CallData(method, null, parameters));
 
         method.invoke(errorQueue, parameters);
       }
     }
 
     delegateErrorHandlerStubFactory.assertNoMoreCalls();
   }
 }