xref: /petsc/src/sys/tests/ex1.c (revision 66af8762ec03dbef0e079729eb2a1734a35ed7ff)
1 static char help[] = "Demonstrates PETSc error handlers.\n";
2 
3 #include <petscsys.h>
4 
5 PetscErrorCode CreateError(int n)
6 {
7   PetscCheck(n, PETSC_COMM_WORLD, PETSC_ERR_USER, "Error Created");
8   PetscCall(CreateError(n - 1));
9   return PETSC_SUCCESS;
10 }
11 
12 int main(int argc, char **argv)
13 {
14   PetscFunctionBeginUser;
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      requires: !defined(PETSCTEST_VALGRIND)
29      args: -petsc_ci_portable_error_output -error_output_stdout
30      nsize: {{1 2 3}}
31      filter: grep -E "(PETSC ERROR)" | egrep "(Error Created|CreateError\(\)|main\(\))"
32 
33 TEST*/
34