xref: /petsc/src/sys/tests/ex1.c (revision 2da392cc7c10228af19ad9843ce5155178acb644)
1 
2 static char help[] = "Demonstrates PETSc error handlers.\n";
3 
4 #include <petscsys.h>
5 
6 int CreateError(int n)
7 {
8   PetscErrorCode ierr;
9   if (!n) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Error Created");
10   ierr = CreateError(n-1);CHKERRQ(ierr);
11   return 0;
12 }
13 
14 int main(int argc,char **argv)
15 {
16   PetscErrorCode ierr;
17   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
18   ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates PETSc Error Handlers\n");CHKERRQ(ierr);
19   ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error is a contrived error to test error handling\n");CHKERRQ(ierr);
20   ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
21   ierr = CreateError(5);CHKERRQ(ierr);
22   ierr = PetscFinalize();
23   return ierr;
24 }
25 
26 
27 
28 /*TEST
29 
30  # Testing errors so only look for errors
31    test:
32      args: -error_output_stdout
33      filter: egrep "(PETSC ERROR)" | egrep "(Error Created|CreateError\(\)|main\(\))" | cut -f1,2,3,4,5,6 -d " "
34      TODO:  Does not always produce exactly expected output on all systems for all runs
35 
36 TEST*/
37