testing MPI_FILE_GET_AMODE
 setting atomic mode
 reverting back to nonatomic mode
 testing MPI_FILE_GET_VIEW
 testing MPI_FILE_GET_BYTE_OFFSET
 setting file size to 1060 bytes
 seeking to eof and testing MPI_FILE_GET_POSITION
 testing MPI_FILE_GET_BYTE_OFFSET
 testing MPI_FILE_SEEK with MPI_SEEK_CUR
 preallocating disk space up to 8192 bytes
 closing the file and deleting it