OpenWalnut  1.4.0
WCondition_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 WCONDITION_TEST_H
00026 #define WCONDITION_TEST_H
00027 
00028 #include <iostream>
00029 
00030 #include <boost/thread.hpp>
00031 #include <cxxtest/TestSuite.h>
00032 
00033 #include "../WCondition.h"
00034 
00035 /**
00036  * Helper class.
00037  */
00038 class Callable
00039 {
00040 public:
00041     /**
00042      * Flag set to true when thread starts
00043      */
00044     bool flag;
00045 
00046     /**
00047      * The condition to be used for signalling.
00048      */
00049     WCondition* c;
00050 
00051     /**
00052      * Thread main method.
00053      */
00054     void threadMain()
00055     {
00056         flag = true;
00057 
00058         // let the test's thread reach its "wait" call first
00059         boost::this_thread::sleep( boost::posix_time::seconds( 1 ) );
00060         c->notify();
00061     };
00062 };
00063 
00064 /**
00065  * Test WCondition
00066  */
00067 class WConditionTest : public CxxTest::TestSuite
00068 {
00069 public:
00070     /**
00071      * An instantiation should never throw an exception, as well as tear down.
00072      */
00073     void testInstantiation( void )
00074     {
00075         WCondition* c = 0;
00076 
00077         TS_ASSERT_THROWS_NOTHING( c = new WCondition() );
00078         TS_ASSERT_THROWS_NOTHING( delete c );
00079     }
00080 
00081     /**
00082      * Test whether notification is working.
00083      */
00084     void testWaitNotify()
00085     {
00086         WCondition c;
00087         Callable t;
00088         t.flag = false;
00089         t.c = &c;
00090 
00091         // start a thread
00092         boost::thread thread = boost::thread( boost::bind( &Callable::threadMain, &t ) );
00093 
00094         // wait for condition
00095         c.wait();
00096 
00097         TS_ASSERT( t.flag );
00098     }
00099 };
00100 
00101 #endif  // WCONDITION_TEST_H
00102