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| >Special variables used by test cases.</H1 |
| ><P |
| >There are special variables used by test cases. These contain |
| other information from DejaGnu. Your test cases can use these variables, |
| with conventional meanings (as well as the variables saved in |
| <TT |
| CLASS="FILENAME" |
| >site.exp</TT |
| >. You can use the value of these variables, |
| but they should never be changed.</P |
| ><P |
| ></P |
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| CLASS="VARIABLELIST" |
| ><DL |
| ><DT |
| >$prms_id</DT |
| ><DD |
| ><P |
| >The tracking system (e.g. GNATS) number identifying |
| a corresponding bugreport. (<I |
| CLASS="EMPHASIS" |
| >0</I |
| >} if you do not |
| specify it in the test script.)</P |
| ></DD |
| ><DT |
| >$item bug_id</DT |
| ><DD |
| ><P |
| >An optional bug id; may reflect a bug |
| identification from another organization. (<I |
| CLASS="EMPHASIS" |
| >0</I |
| > |
| if you do not specify it.)</P |
| ></DD |
| ><DT |
| >$subdir</DT |
| ><DD |
| ><P |
| >The subdirectory for the current test |
| case.</P |
| ></DD |
| ><DT |
| >$expect_out(buffer)</DT |
| ><DD |
| ><P |
| >The output from the last command. This is an |
| internal variable set by Expect. More information can be found in |
| the Expect manual.</P |
| ></DD |
| ><DT |
| >$exec_output</DT |
| ><DD |
| ><P |
| >This is the output from a |
| <TT |
| CLASS="FUNCTION" |
| >${tool}_load</TT |
| > command. This only applies to |
| tools like GCC and GAS which produce an object file that must in |
| turn be executed to complete a test.</P |
| ></DD |
| ><DT |
| >$comp_output</DT |
| ><DD |
| ><P |
| >This is the output from a |
| <TT |
| CLASS="FUNCTION" |
| >${tool}_start</TT |
| > command. This is conventionally |
| used for batch oriented programs, like GCC and GAS, that may |
| produce interesting output (warnings, errors) without further |
| interaction.</P |
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