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>DejaGnu: The GNU Testing Framework</TH
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>Abstract</H1
><P
>This document attempts to describe the functionality of
DejaGnu, the GNU Testing Framework. DejaGnu is entirely written in
<SPAN
CLASS="PRODUCTNAME"
>Expect</SPAN
>, which uses
<SPAN
CLASS="PRODUCTNAME"
>Tcl</SPAN
> as a command
language. <SPAN
CLASS="PRODUCTNAME"
>Expect</SPAN
> serves as a very
programmable shell; you can run any program, as with the usual
Unix command shells---but once the program is started, your
test script has fully programmable control of
its input and output. This does not just apply to the programs
under test; <B
CLASS="COMMAND"
>expect</B
> can also run any auxiliary
program, such as <B
CLASS="COMMAND"
>diff</B
> or <B
CLASS="COMMAND"
>sh</B
>,
with full control over its input and output.</P
><P
>DejaGnu itself is merely a framework for creation of a test
suites. Test suites are distributed separately for each GNU
tool.</P
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