OpenWalnut  1.4.0
WFlagForwarder_test.h
00001 //---------------------------------------------------------------------------
00002 //
00003 // Project: OpenWalnut ( http://www.openwalnut.org )
00004 //
00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
00006 // For more information see http://www.openwalnut.org/copying
00007 //
00008 // This file is part of OpenWalnut.
00009 //
00010 // OpenWalnut is free software: you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as published by
00012 // the Free Software Foundation, either version 3 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // OpenWalnut is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 // GNU Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public License
00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
00022 //
00023 //---------------------------------------------------------------------------
00024 
00025 #ifndef WFLAGFORWARDER_TEST_H
00026 #define WFLAGFORWARDER_TEST_H
00027 
00028 #include <cxxtest/TestSuite.h>
00029 
00030 #include "../WFlagForwarder.h"
00031 #include "../WFlag.h"
00032 #include "../WConditionOneShot.h"
00033 
00034 /**
00035  * Test WFlagForwarder.
00036  */
00037 class WFlagForwarderTest : public CxxTest::TestSuite
00038 {
00039 public:
00040     /**
00041      * Add some flags and test whether the value gets propagated properly.
00042      */
00043     void testPropagation( void )
00044     {
00045         // create some flags
00046         boost::shared_ptr< WFlag< int > > flagSource( new WFlag< int >( new WConditionOneShot(), 5 ) );
00047         boost::shared_ptr< WFlag< int > > flagTarget1( new WFlag< int >( new WConditionOneShot(), 10 ) );
00048         boost::shared_ptr< WFlag< int > > flagTarget2( new WFlag< int >( new WConditionOneShot(), 15 ) );
00049 
00050         // create the forwarder
00051         WFlagForwarder< int >* f = new WFlagForwarder< int >( flagSource );
00052         f->forward( flagTarget1 );
00053         f->forward( flagTarget2 );
00054 
00055         // now all flags should have value 5
00056         TS_ASSERT( flagSource->get() == 5 );
00057         TS_ASSERT( flagTarget1->get() == 5 );
00058         TS_ASSERT( flagTarget2->get() == 5 );
00059 
00060         // set some value to the source
00061         flagSource->set( 50 );
00062 
00063         // now all flags should have value 50
00064         TS_ASSERT( flagSource->get() == 50 );
00065         TS_ASSERT( flagTarget1->get() == 50 );
00066         TS_ASSERT( flagTarget2->get() == 50 );
00067 
00068         // changing the value of one target flag should not affect the others:
00069         flagTarget2->set( 100 );
00070         TS_ASSERT( flagSource->get() == 50 );
00071         TS_ASSERT( flagTarget1->get() == 50 );
00072         TS_ASSERT( flagTarget2->get() == 100 );
00073     }
00074 };
00075 
00076 #endif  // WFLAGFORWARDER_TEST_H
00077 
00078