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