text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0.txt
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *=========================================================================*/
  
  
  #include "itkSimpleFastMutexLock.h"
  
  
  int itkSimpleFastMutexLockTest( int , char * [] )
  {
      {
      itk::SimpleFastMutexLock lock;
  
      // Acquire the lock
      lock.Lock();
  
      // Acquire the lock again; as this call happens within the same thread,
      // it shouldn't block.
      // If the lock isn't recursive, it will block forever and the CTest
      // timeout will cause the test to fail.
      lock.Lock();
      }
  
  
      {  //Test non-blocking version
      itk::SimpleFastMutexLock nblock;
      nblock.Lock();
      nblock.Unlock();
      const bool testTryLockWhenFree = nblock.TryLock();
      if ( testTryLockWhenFree != true )
        {
        std::cout << "Failed to capture a free lock with TryLock()" << std::endl;
        return EXIT_FAILURE;
        }
  
      if (!nblock.TryLock())
        {
        std::cout << "Failed to recursively capture a lock with TryLock()" << std::endl;
        return EXIT_FAILURE;
        }
      nblock.Unlock();
      nblock.Lock();
      //Ensure the the TryLock() does not cause a deadlock.
      // If the lock isn't recursive, it will block forever and the CTest
      // timeout will cause the test to fail.
      nblock.Unlock();
      }
  
    return EXIT_SUCCESS;
  }
  