CMakeLists.txt cleanup, added minimal unittest, added run_test coeverage tool, added .gitignore file

.gitignore

@@ -0,0 +1,10 @@
+*CMakeCache*
+*CMakeFiles*
+*Makefile*
+*cmake
+*.a
+*.so
+*/cov
+*/lcov.info
+*/core
+*.kdev_include_paths

build/CMakeLists.txt

@@ -1,17 +1,11 @@
 cmake_minimum_required (VERSION 2.6)
 project (CPP_UTILS_LIB)
 
-message(STATUS "Lib dir:")
-
-set (CXX_FLAGS "-Wall -Wextra -pedantic")
+set (CXX_FLAGS "-Wall -Wextra -pedantic -Weffc++ -Wshadow -ggdb -fprofile-arcs -ftest-coverage")
 add_definitions( ${CXX_FLAGS} )
-message(STATUS "g++ flags: ${CXX_FLAGS}")
 
 include_directories (../include)
-message(STATUS "include dir: ${CPP_UTILS_LIB}/include")
-
 aux_source_directory(../src CPP_UTILS_LIB_SOURCES)
-message(STATUS "sources: ${CPP_UTILS_LIB_SOURCES}")
 
-add_library (CppUtils ${CPP_UTILS_LIB_SOURCES})
-target_link_libraries(CppUtils pthread rt)
+add_library (CppUtils SHARED ${CPP_UTILS_LIB_SOURCES})
+target_link_libraries(CppUtils pthread rt gcov)

include/Singleton.hpp

@@ -21,10 +21,9 @@ public:
     static void createInstance()
     {
       TRACE("Simgleton::createInstance()");
-      if ( m_instance ) {
-        delete m_instance;
+      if ( not m_instance ) {
+        m_instance = new T();
       }
-      m_instance = new T();
     }
 
 

test/CMakeLists.txt

@@ -1,15 +1,11 @@
-add_definitions(-Wall -Werror -pedantic -Weffc++ -Wshadow -ggdb -fprofile-arcs -ftest-coverage)
-
-include_directories(../include)
-#add_library (CppUtils src/*)
-
+set (CXX_FLAGS "-Wall -Wextra -pedantic -Weffc++ -Wshadow -ggdb -fprofile-arcs -ftest-coverage")
+add_definitions( ${CXX_FLAGS} )
 
 find_package(CxxTest)
 if(CXXTEST_FOUND)
 set(CXXTEST_USE_PERL TRUE)
 include_directories(${CXXTEST_INCLUDE_DIR} ../include)
 enable_testing()
-CXXTEST_ADD_TEST(unittest_multiple generated_main.cpp unittest_multiple.hpp )
+CXXTEST_ADD_TEST(unittest_multiple generated_main.cpp test_threadpool.hpp )
 target_link_libraries(unittest_multiple CppUtils gcov)
 endif()
-

test/main_scopedLock.cpp

@@ -4,8 +4,8 @@
 #include <pthread.h>
 pthread_mutex_t p_mutex;
 
-#include <boost/thread/mutex.hpp>
-boost::mutex b_mutex;
+// #include <boost/thread/mutex.hpp>
+// boost::mutex b_mutex;
 
 #define TRACE std::cout << __FILE__ << " @ " << __PRETTY_FUNCTION__ << ":" <<  __LINE__ << std::endl;
 
@@ -15,7 +15,7 @@ class ScopedLock
 
 public:
 
-  ScopedLock(pthread_mutex_t const& mutex) : m_mutex(mutex)
+  ScopedLock(pthread_mutex_t & mutex) : m_mutex(mutex)
   {
     TRACE;
     pthread_mutex_lock( &m_mutex );
@@ -30,7 +30,7 @@ public:
 
 private:
 
-  pthread_mutex_t m_mutex;
+  pthread_mutex_t& m_mutex;
 
 };
 
@@ -43,12 +43,12 @@ void fv ()
 }
 
 
-void fv2 ()
-{
-  boost::mutex::scoped_lock lock(b_mutex);
-
-  throw std::logic_error("boost_thread stuff");
-}
+// void fv2 ()
+// {
+//   boost::mutex::scoped_lock lock(&b_mutex);
+// 
+//   throw std::logic_error("boost_thread stuff");
+// }
 
 
 int main()
@@ -60,26 +60,26 @@ int main()
     TRACE;
 
     if (pthread_mutex_trylock( &p_mutex) == 0 ) {
-      std::cout << "pthread mutex is OK, unlocked " << std::endl;
-      pthread_mutex_unlock( &p_mutex );
+//       std::cout << "pthread mutex is OK, unlocked " << std::endl;
+//       pthread_mutex_unlock( &p_mutex );
     } else {
-      std::cout << "pthread mutex is STILL LOCKED!" << std::endl;
+//       std::cout << "pthread mutex is STILL LOCKED!" << std::endl;
     }
   }
   pthread_mutex_destroy( &p_mutex );
 
 
-  try {
-    fv2();
-  } catch (...) {
-    TRACE;
-    if ( b_mutex.try_lock() == true ) {
-      std::cout << "boost mutex is OK, unlocked " << std::endl;
-      b_mutex.unlock();
-    } else {
-      std::cout << "boost mutex is STILL LOCKED!" << std::endl;
-    }
-  }
+//   try {
+//     fv2();
+//   } catch (...) {
+//     TRACE;
+//     if ( b_mutex.try_lock() == true ) {
+//       std::cout << "boost mutex is OK, unlocked " << std::endl;
+//       b_mutex.unlock();
+//     } else {
+//       std::cout << "boost mutex is STILL LOCKED!" << std::endl;
+//     }
+//   }
 
   return 0;
 }

test/main_standalone_Mutex_ScopedLock.cpp

@@ -1,93 +1,205 @@
+#include <iostream>
+
+#ifndef NOTRACE
+  #define TRACE(x) std::cout << x << " " << __PRETTY_FUNCTION__ <<  \
+                          " : " << __LINE__ << std::endl
+
+#else
+  /// @todo Get rid of the "warning: statement has no effect" compiler msgs
+  #define TRACE(x) ""
+#endif
 
 
 #include <assert.h>
 #include <pthread.h>
 
 #include <stdexcept>
+#include <time.h>
 
 class Mutex
 {
 public:
 
-  Mutex() : m_mutex(PTHREAD_MUTEX_INITIALIZER) {
+  Mutex() {
     TRACE(this);
     int ret = pthread_mutex_init( &m_mutex, 0 );
-    assert( ret == 0 );
+//     assert( ret == 0 );
   }
   ~Mutex() {
     TRACE(this);
     int ret = pthread_mutex_destroy ( &m_mutex );
-    assert( ret == 0 );
+//     assert( ret == 0 );
   }
   void lock() {
     TRACE(this);
     int ret = pthread_mutex_lock( &m_mutex );
-    assert( ret == 0 );
+//     assert( ret == 0 );
   }
   void unlock() {
     TRACE(this);
     int ret = pthread_mutex_unlock( &m_mutex );
-    assert( ret == 0 );
+//     assert( ret == 0 );
+  }
+// private:
+  Mutex(const Mutex& m){
+    TRACE(this);
+  }
+  Mutex& operator=(const Mutex& m) {
+    TRACE(this);
+    return *this;
+  }
+
+  int tryLock() {
+    TRACE(this);
+//     return pthread_mutex_trylock(&m_mutex);
+    int interval = 1;
+
+         timespec abs_time;
+    clock_gettime ( CLOCK_REALTIME, &abs_time );
+    abs_time.tv_nsec += interval * 1000000;
+    if ( abs_time.tv_nsec >= 1000000000 ) {
+      abs_time.tv_nsec -= 1000000000;
+      abs_time.tv_sec += 1;
+    }
+    return pthread_mutex_timedlock ( &m_mutex, &abs_time );
   }
-private:
-  Mutex(const Mutex& m);
-  Mutex& operator=(const Mutex& m);
 
 private:
   pthread_mutex_t m_mutex;
 };
 
 
-class ScopedLock
+class BadScopedLock
 {
 public:
 
-  ScopedLock(Mutex* m) : m_mutex(m) {
+  BadScopedLock(Mutex& m)
+  : m_mutex(m)  /// @note cctor called!
+  {
     TRACE(this);
-    m_mutex->lock();
+    m_mutex.lock();
   }
-  ~ScopedLock() {
+  ~BadScopedLock() {
     TRACE(this);
-    m_mutex->unlock();
+    m_mutex.unlock();
   }
 
 private:
-  ScopedLock(const ScopedLock&);
-  ScopedLock& operator=(const ScopedLock&);
+  BadScopedLock(const BadScopedLock&);
+  BadScopedLock& operator=(const BadScopedLock&);
 
-  Mutex* m_mutex;
+  Mutex& m_mutex;
 };
 
-class User
+class UnluckyUser
 {
 public:
-  User() : m_mutex() {
+  UnluckyUser() : m_mutex() {
     TRACE(this);
   }
-  ~User() {
+  ~UnluckyUser() {
     TRACE(this);
   }
   void fv() {
     TRACE(this);
-    ScopedLock sl(&m_mutex);
+    BadScopedLock sl(m_mutex);
     throw std::logic_error("whoops");
   }
+  int tryLock() {
+    TRACE(this);
+    return m_mutex.tryLock();
+  }
 private:
   Mutex m_mutex;
 };
 
-int main()
+// class GoodScopedLock
+// {
+// public:
+// 
+//   GoodScopedLock(Mutex* m) : m_mutex(m)
+//   {
+//     TRACE(this);
+//     m_mutex->lock();
+//   }
+//   ~GoodScopedLock() {
+//     TRACE(this);
+//     m_mutex->unlock();
+//   }
+// 
+// private:
+//   GoodScopedLock(const GoodScopedLock&);
+//   GoodScopedLock& operator=(const GoodScopedLock&);
+// 
+//   Mutex* m_mutex;
+// };
+/*
+class LuckyUser
 {
-  TRACE("main begin");
+public:
+  LuckyUser() : m_mutex() {
+    TRACE(this);
+  }
+  ~LuckyUser() {
+    TRACE(this);
+  }
+  void fv() {
+    TRACE(this);
+    GoodScopedLock sl(&m_mutex);
+    throw std::logic_error("whoops");
+  }
+  int tryLock() {
+    TRACE(this);
+    return m_mutex.tryLock();
+  }
+private:
+  Mutex m_mutex;
+};*/
 
-  User u;
 
+int main()
+{
+  TRACE("main begin");
+//   pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+// //   pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
+//   std::cout << "bla1" << std::endl;
+//   std::cout << pthread_mutex_unlock( &mutex )<< std::endl;
+//   std::cout << pthread_mutex_trylock( &mutex ) << std::endl;
+//   std::cout << "bla2" << std::endl;
+// //   std::cout << pthread_mutex_unlock( &mutex ) << std::endl;
+//   
+//   std::cout << "bla3" << std::endl;
+// 
+//     std::cout << pthread_mutex_lock( &mutex ) << std::endl;
+//     std::cout << pthread_mutex_trylock( &mutex ) << std::endl;
+// //       std::cout << pthread_mutex_lock( &mutex ) << std::endl;
+
+  UnluckyUser u;
   try {
     u.fv();
   } catch (std::logic_error ex) {
     std::cout << "std::logicexception: " << ex.what() << std::endl;
+    if (u.tryLock() == 0) {
+      std::cout << "UnluckyUser: Ok, mutex is unlocked" << std::endl;
+    } else {
+      std::cout << "UnluckyUser: Failed, mutex is still locked" << std::endl;
+    }
   }
 
+//   TRACE("main middle");
+// 
+//   LuckyUser u2;
+//   try {
+//     u2.fv();
+//   } catch (std::logic_error ex) {
+//     std::cout << "std::logicexception: " << ex.what() << std::endl;
+//     if (u2.tryLock() == 0) {
+//       std::cout << "LuckyUser: Ok, mutex is unlocked" << std::endl;
+//     } else {
+//       std::cout << "LuckyUser: Failed, mutex is still locked" << std::endl;
+//     }
+//   }
+
 
   TRACE("main end");
   return 0;

test/run_test.sh

@@ -13,12 +13,12 @@ echo -e "${pre}Run tests${post}"
 $1
 
 echo -e "${pre}Capture coverage info${post}"
-lcov --directory . --capture -o lcov.info
+lcov --directory ../build --capture -o lcov.info
+
 
 echo -e "${pre}Filtering coverage tracefile${post}"
 lcov -r lcov.info "g++-v*" -o lcov.info
 lcov -r lcov.info "/usr/include/cxxtest*" -o lcov.info
-lcov -r lcov.info "$(PWD)/test/*" -o lcov.info
 
 echo -e "${pre}Generating HTML${post}"
 rm -rf ./cov

test/test_Singelton.hpp

@@ -0,0 +1,13 @@
+#include <cxxtest/TestSuite.h>
+
+#include "Singleton.hpp"
+
+class MyTestSuite : public CxxTest::TestSuite
+{
+public:
+   void testAddition( void )
+   {
+      TS_ASSERT( 1 + 1 > 1 );
+      TS_ASSERT_EQUALS( 1 + 1, 2 );
+   }
+};

test/test_threadpool.hpp

@@ -0,0 +1,36 @@
+#include <cxxtest/TestSuite.h>
+/*
+
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>*/
+
+#include "ThreadPool.hpp"
+#include "Task.hpp"
+#include "Common.hpp"
+
+
+class MyTestSuite : public CxxTest::TestSuite
+{
+
+public:
+
+  void testACica()
+  {
+    TRACE("Main start");
+
+    ThreadPool* tp = new ThreadPool(5);
+    tp->startWorkerThreads();
+
+    Task* t1 = new Task();
+    tp->pushTask(t1);
+
+    sleep(2);
+
+    tp->stop();
+    tp->join();
+    delete tp;
+
+    TRACE("Main end");
+  }
+};

test/unittest_multiple.hpp

@@ -1,6 +1,6 @@
 #include <cxxtest/TestSuite.h>
 
-
+#include "Singleton.hpp"
 
 class MyTestSuite : public CxxTest::TestSuite
 {