xref: /petsc/src/sys/tests/ex1.c (revision f97672e55eacc8688507b9471cd7ec2664d7f203)
1 
2 static char help[] = "Demonstrates PETSc error handlers.\n";
3 
4 #include <petscsys.h>
5 
6 int CreateError(int n)
7 {
8   PetscCheck(n,PETSC_COMM_SELF,PETSC_ERR_USER,"Error Created");
9   PetscCall(CreateError(n-1));
10   return 0;
11 }
12 
13 int main(int argc,char **argv)
14 {
15   PetscCall(PetscInitialize(&argc,&argv,(char*)0,help));
16   PetscCall(PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates PETSc Error Handlers\n"));
17   PetscCall(PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error is a contrived error to test error handling\n"));
18   PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT));
19   PetscCall(CreateError(5));
20   PetscCall(PetscFinalize());
21   return 0;
22 }
23 
24 /*TEST
25 
26  # Testing errors so only look for errors
27    test:
28      args: -error_output_stdout
29      filter: egrep "(PETSC ERROR)" | egrep "(Error Created|CreateError\(\)|main\(\))" | cut -f1,2,3,4,5,6 -d " "
30      TODO:  Does not always produce exactly expected output on all systems for all runs
31 
32 TEST*/
33