OpenWalnut
1.2.5
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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 WCONDITIONONESHOT_TEST_H 00026 #define WCONDITIONONESHOT_TEST_H 00027 00028 #include <iostream> 00029 00030 #include <boost/thread.hpp> 00031 #include <cxxtest/TestSuite.h> 00032 00033 #include "../WConditionOneShot.h" 00034 00035 /** 00036 * Helper class. 00037 */ 00038 class Callable 00039 { 00040 public: 00041 00042 /** 00043 * Flag set true when the thread starts. 00044 */ 00045 bool flag; 00046 00047 /** 00048 * The condition to use. 00049 */ 00050 WConditionOneShot* c; 00051 00052 /** 00053 * The thread. 00054 */ 00055 void threadMain() 00056 { 00057 flag = true; 00058 00059 // let the test's thread reach its "wait" call first 00060 boost::this_thread::sleep( boost::posix_time::seconds( 1 ) ); 00061 c->notify(); 00062 }; 00063 }; 00064 00065 /** 00066 * Test WConditionOneShot 00067 */ 00068 class WConditionOneShotTest : public CxxTest::TestSuite 00069 { 00070 public: 00071 00072 /** 00073 * An instantiation should never throw an exception, as well as tear down. 00074 */ 00075 void testInstantiation( void ) 00076 { 00077 WConditionOneShot* c = 0; 00078 00079 TS_ASSERT_THROWS_NOTHING( c = new WConditionOneShot() ); 00080 TS_ASSERT_THROWS_NOTHING( delete c ); 00081 } 00082 00083 /** 00084 * Test whether notification is working. 00085 */ 00086 void testWaitNotify() 00087 { 00088 WConditionOneShot c; 00089 Callable t; 00090 t.flag = false; 00091 t.c = &c; 00092 00093 // start a thread 00094 boost::thread thread = boost::thread( boost::bind( &Callable::threadMain, &t ) ); 00095 00096 // wait for condition 00097 c.wait(); 00098 00099 // since it is a one shot condition -> another wait will not cause a freeze 00100 c.wait(); 00101 00102 TS_ASSERT( t.flag ); 00103 00104 // notifying twice should not cause exceptions (boost::lock_error) 00105 TS_ASSERT_THROWS_NOTHING( c.notify() ); 00106 } 00107 }; 00108 00109 #endif // WCONDITIONONESHOT_TEST_H 00110