\documentclass{article}
\begin{document}
\noindent
\hrulefill

\hbox to 2.0in {\hrulefill}

\fbox{\makebox[1.0in][r]{test}}

\framebox[1.0in][c]
{test \\
another line}

\framebox
{\hbox to 2.0in
{\vbox to 2.0in 
{first line\\
second line}
}
}

\end{document}