mitk: mitkWeakPointerTest.cpp Source File

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00001 /*=========================================================================
00002  
00003  Program:   BlueBerry Platform
00004  Language:  C++
00005  Date:      $Date$
00006  Version:   $Revision$
00007  
00008  Copyright (c) German Cancer Research Center, Division of Medical and
00009  Biological Informatics. All rights reserved.
00010  See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.
00011  
00012  This software is distributed WITHOUT ANY WARRANTY; without even
00013  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014  PURPOSE.  See the above copyright notices for more information.
00015  
00016  =========================================================================*/
00017 
00018 #include "mitkTestingMacros.h"
00019 
00020 #include <mitkWeakPointer.h>
00021 #include <itkObject.h>
00022 
00023 int mitkWeakPointerTest(int /*argc*/, char* /*argv*/[])
00024 {
00025 
00026   MITK_TEST_BEGIN("WeakPointer")
00027 
00028   mitk::WeakPointer<itk::Object> weakPointer;
00029   mitk::WeakPointer<itk::Object> weakPointer2;
00030 
00031   // Testing constructors and reference counting
00032   itk::Object::Pointer smartPointer = itk::Object::New();
00033   mitk::WeakPointer<itk::Object> weakPointer3(smartPointer);
00034   mitk::WeakPointer<itk::Object> weakPointer4(weakPointer);
00035   {
00036     itk::Object::Pointer tmpSmartPointer(weakPointer);
00037     itk::Object::Pointer tmpSmartPointer2(weakPointer2);
00038     MITK_TEST_CONDITION_REQUIRED(tmpSmartPointer.GetPointer() == tmpSmartPointer2.GetPointer(), "Testing equal pointers");
00039   }
00040 
00041   weakPointer = smartPointer;
00042   weakPointer2 = weakPointer;
00043 
00044   MITK_TEST_CONDITION_REQUIRED(1 == smartPointer->GetReferenceCount(), "Testing reference count");
00045   smartPointer = 0;
00046   MITK_TEST_CONDITION_REQUIRED(weakPointer.IsNull(), "Testing expired weak pointer (smart pointer assignment)");
00047   MITK_TEST_CONDITION_REQUIRED(weakPointer2.IsNull(), "Testing expired weak pointer (weak pointer assignment)");
00048   MITK_TEST_CONDITION_REQUIRED(weakPointer3.IsNull(), "Testing expired weak pointer (smart pointer constructor)");
00049   MITK_TEST_CONDITION_REQUIRED(weakPointer4.IsNull(), "Testing expired weak pointer (copy constructor)")
00050 
00051   MITK_TEST_END()
00052 }