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#ifndef TESTLIB_REGISTER_H_
#define TESTLIB_REGISTER_H_
//:
// \file
// \author Amitha Perera
// \brief Macros for registering the tests with the driver.
//
// A test driver program would simply look like
// \code
// #include <testlib/testlib_register.h>
// DECLARE( some_test_name );
// void register_tests()
// {
// REGISTER( some_test_name );
// }
// DEFINE_MAIN;
// \endcode
// The DEFINE_MAIN macro will define the main() function for the driver.
// You will also have to link in a file defining a function
// \code
// int some_test_name_main(int,char*[])
// \endcode
// See the vxl tests for further examples (such as vil/tests).
#include <vcl_string.h>
#if 0 // ifdef VCL_VC - gives compiler errors - PVr
typedef int ( (__cdecl *const) TestMainFunction)( int, char*[] );
#else
typedef int (*TestMainFunction)( int, char*[] );
#endif
//: Declare the existence of the test.
// If you DECLARE( x ), then you will need to define a function int x_main(int,char*[]).
#ifdef VCL_VC
#define DECLARE( testname ) int _cdecl testname ## _main ( int argc, char* argv[] )
#else
#define DECLARE( testname ) int testname ## _main ( int argc, char* argv[] )
#endif
void testlib_register_test(const vcl_string &, TestMainFunction);
//: Register the test with the driver.
// \param testname should be the same as one of the tests declared with DECLARE.
#define REGISTER( testname ) \
testlib_register_test(#testname, & testname ## _main );
//: Define the main() routine for this test driver.
// This allows the main function to be defined in the driver code
// itself--instead of in the testlib library--thus avoiding
// "awf-weirdness". This also means that functionality from the test
// library, such as testlib_root_dir, can be used even if it is not
// used to create a test driver.
#define DEFINE_MAIN \
int testlib_main(int,char*[]); \
void testlib_cleanup(); \
int main( int argc, char* argv[] ) { \
register_tests(); \
int retval = testlib_main( argc, argv ); \
testlib_cleanup(); \
return retval; \
}
#endif // TESTLIB_REGISTER_H_
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