Design: 02.01.02.01/P01

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PROGRAM 1: Simple structure deletion

CHARACTERISTICS: nnnn

OPERATOR SCRIPT: passive test

DESIGN:

Use <open structure> and <execute structure> to set up the CSS
as follows:

        100
        / \
     1 /   \ 2
      /     \
   105       110

The nodes of the graph (100 and above) represent structures, and the
labelled edges are references to invoke (lower) structures.  The
labels (1-2) represent the element position of the <execute structure>
function within the calling structure.

TEST: #SR 1 2
      "Deleting a structure should remove the specified structure from
       the CSS and all references made to that structure contained in
       other structures."

delstr = 105
<delete structure> delstr

examine the contents of the CSS for the existing structure identifiers
and the associated element references

                                           100
                                            |
pass/fail depending on  (CSS contents  =    |1   )
                                            |
                                           110

END PROGRAM 1