unittest.h

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00001 
00004 /*
00005  * Copyright © 2000, 2001 Paul Hollingsworth
00006  *
00007  * This material is provided "as is", with absolutely no warranty 
00008  * expressed or implied. Any use is at your own risk. Permission to 
00009  * use or copy this software for any purpose is hereby granted without 
00010  * fee, provided the above notices are retained on all copies. 
00011  * Permission to modify the code and to distribute modified code is 
00012  * granted, provided the above notices are retained, and a notice that 
00013  * the code was modified is included with the above copyright notice. 
00014  *
00015  * This header is part of comet.
00016  * http://www.lambdasoft.dk/comet
00017  */
00018 
00019 #ifndef COMET_UNITTEST_H
00020 #define COMET_UNITTEST_H
00021 
00022 #include <exception>
00023 #include <iostream>
00024 
00025 namespace comet {
00027         template<int n>
00028         struct test
00029         {
00030                 void run() {}
00031         };
00032 
00033         int current_test = 0;
00034 
00036 
00038         template<int n>
00039         struct tester
00040         {
00041                 inline static void runtests()
00042                 {
00043                         tester<n-1>::runtests();
00044                         current_test = n;
00045                         test<n>().run();
00046                 }
00047         };
00048 
00049         template<>
00050         struct tester<0>
00051         {
00052                 static void runtests() {}
00053         };
00054 } // namespace comet
00055 
00057 template<typename T>
00058 struct main_t
00059 {
00061         static int call(int argc, const char * const argv[])
00062         {
00063                 using std::cout;
00064                 using std::cerr;
00065                 using std::endl;
00066                 try {
00067                         comet::tester<64>::runtests();
00068                 } catch (const std::exception &e) {
00069                         std::cerr << "Test #" << comet::current_test << " failed - error message: <" << e.what() << ">" << endl;
00070                         return 1;
00071                 }
00072                 catch(...) {
00073                         std::cerr << "Test #" << comet::current_test << " failed with an unrecognized exception" << endl;
00074                         return 2;
00075                 }
00076                 std::cout << "Ran all tests successfully" <<endl;
00077                 return 0;
00078         }
00079 };
00080 #define COMET_TEST_MAIN \
00081 int main(int argc, const char * const argv[]) \
00082 {\
00083         return main_t<void>::call(argc,argv);\
00084 }
00085 
00086 #endif