1 2 static char help[] = "Tests PetscOptionsPushGetViewerOff() via checking output of PetscViewerASCIIPrintf().\n\n"; 3 4 #include <petscviewer.h> 5 6 int main(int argc, char **args) 7 { 8 PetscViewer viewer; 9 PetscViewerFormat format; 10 PetscBool iascii; 11 12 PetscFunctionBeginUser; 13 PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 14 PetscCall(PetscOptionsGetViewer(PETSC_COMM_WORLD, NULL, NULL, "-myviewer", &viewer, &format, NULL)); 15 PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERASCII, &iascii)); 16 if (iascii) { 17 PetscBool flg; 18 PetscCall(PetscViewerPushFormat(viewer, format)); 19 PetscCall(PetscViewerASCIIPrintf(viewer, "Testing PetscViewerASCIIPrintf %d\n", 0)); 20 PetscCall(PetscViewerPopFormat(viewer)); 21 PetscCall(PetscViewerDestroy(&viewer)); 22 PetscCall(PetscOptionsPushGetViewerOff(PETSC_TRUE)); 23 PetscCall(PetscOptionsGetViewer(PETSC_COMM_WORLD, NULL, NULL, "-myviewer", &viewer, &format, &flg)); 24 PetscCheck(!flg, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Pushed viewer off, but viewer was set"); 25 if (viewer) { 26 PetscCall(PetscViewerPushFormat(viewer, format)); 27 PetscCall(PetscViewerASCIIPrintf(viewer, "Testing PetscViewerASCIIPrintf %d\n", 1)); 28 PetscCall(PetscViewerPopFormat(viewer)); 29 } 30 PetscCall(PetscOptionsPopGetViewerOff()); 31 PetscCall(PetscOptionsGetViewer(PETSC_COMM_WORLD, NULL, NULL, "-myviewer", &viewer, &format, &flg)); 32 PetscCall(PetscViewerPushFormat(viewer, format)); 33 PetscCall(PetscViewerASCIIPrintf(viewer, "Testing PetscViewerASCIIPrintf %d\n", 2)); 34 PetscCall(PetscViewerPopFormat(viewer)); 35 } 36 PetscCall(PetscViewerDestroy(&viewer)); 37 PetscCall(PetscFinalize()); 38 return 0; 39 } 40 41 /*TEST 42 43 test: 44 args: -myviewer 45 46 TEST*/ 47