MOAB: Mesh Oriented datABase
(version 5.4.1)
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Description: This example tests MOAB's trace back error handler in parallel.
To run: mpiexec -np <n> ./TestErrorHandlingPar <test_case_num(1 to 2)>
/** @example TestErrorHandlingPar.cpp \n * Description: This example tests MOAB's trace back error handler in parallel.\n * * <b>To run</b>: mpiexec -np <n> ./TestErrorHandlingPar <test_case_num(1 to 2)> \n */ #include "moab/Core.hpp" #ifdef MOAB_HAVE_MPI #include "moab_mpi.h" #endif #include <iostream> using namespace moab; using namespace std; // In this test case, a global fatal error MB_NOT_IMPLEMENTED is returned by MOAB // Note, it is printed by root processor 0 only ErrorCode TestErrorHandlingPar_1() { Core moab; Interface& mb = moab; string opts = ";;"; #ifdef MOAB_HAVE_MPI // Use parallel options opts += "PARALLEL=READ_PART;PARTITION_METHOD=SQIJ"; #endif // Load a CAM-FV file and read a variable on edges (not supported yet) string test_file = string( MESH_DIR ) + string( "/io/fv3x46x72.t.3.nc" ); opts += ";VARIABLE=US"; ErrorCode rval = mb.load_file( test_file.c_str(), NULL, opts.c_str() );MB_CHK_ERR( rval ); return MB_SUCCESS; } // In this test case, a per-processor relevant error MB_FAILURE is returned by MOAB // Note, it is printed by all processors ErrorCode TestErrorHandlingPar_2() { Core moab; Interface& mb = moab; string opts = ";;"; #ifdef MOAB_HAVE_MPI // Use parallel options opts += "PARALLEL=READ_PART;PARTITION_METHOD=UNKNOWN"; #endif // Load a CAM-FV file with an unknown partition method specified string test_file = string( MESH_DIR ) + string( "/io/fv3x46x72.t.3.nc" ); opts += ";VARIABLE=T"; ErrorCode rval = mb.load_file( test_file.c_str(), NULL, opts.c_str() );MB_CHK_ERR( rval ); return MB_SUCCESS; } int main( int argc, char** argv ) { if( argc < 2 ) { cout << "Usage: " << argv[0] << " <test_case_num(1 to 2>" << endl; return 0; } #ifdef MOAB_HAVE_MPI MPI_Init( &argc, &argv ); #endif // Initialize error handler, optional for this example (using moab instances) MBErrorHandler_Init(); ErrorCode rval = MB_SUCCESS; int test_case_num = atoi( argv[1] ); switch( test_case_num ) { case 1: rval = TestErrorHandlingPar_1();MB_CHK_ERR( rval ); break; case 2: rval = TestErrorHandlingPar_2();MB_CHK_ERR( rval ); break; default: break; } // Finalize error handler, optional for this example (using moab instances) MBErrorHandler_Finalize(); #ifdef MOAB_HAVE_MPI MPI_Finalize(); #endif return 0; }