static char help[] = "Demonstrates PETSc error handlers.\n";

#include <petscsys.h>

int CreateError(int n)
{
  PetscErrorCode ierr;
  if (!n) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_USER,"Error Created");
  ierr = CreateError(n-1);CHKERRQ(ierr);
  return 0;
}

int main(int argc,char **argv)
{
  PetscErrorCode ierr;
  ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
  ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"Demonstrates PETSc Error Handlers\n");CHKERRQ(ierr);
  ierr = PetscFPrintf(PETSC_COMM_WORLD,stdout,"The error is a contrived error to test error handling\n");CHKERRQ(ierr);
  ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
  ierr = CreateError(5);CHKERRQ(ierr);
  ierr = PetscFinalize();
  return ierr;
}

/*TEST

 # Testing errors so only look for errors
   test:
     args: -error_output_stdout
     filter: egrep "(PETSC ERROR)" | egrep "(Error Created|CreateError\(\)|main\(\))" | cut -f1,2,3,4,5,6 -d " "
     TODO:  Does not always produce exactly expected output on all systems for all runs

TEST*/