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1 -- C54A24B.ADA
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2
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 -- OBJECTIVE:
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26 -- CHECK THAT NULL SUBTYPE RANGES ARE ACCEPTABLE CASE CHOICES,
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27 -- WHERE THE BOUNDS ARE BOTH OUT OF THE SUBRANGE'S RANGE, AND
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28 -- WHERE VACUOUS CHOICES HAVE NON-NULL STATEMENT SEQUENCES.
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29 -- CHECK THAT AN UNNEEDED OTHERS CLAUSE IS PERMITTED.
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30
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31 -- HISTORY:
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32 -- DAT 01/29/81 CREATED ORIGINAL TEST.
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33 -- DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
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34
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35 WITH REPORT;
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36 PROCEDURE C54A24B IS
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37
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38 USE REPORT;
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39
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40 TYPE C IS NEW CHARACTER RANGE 'A' .. 'D';
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41 X : C := 'B';
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42
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43 BEGIN
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44 TEST ("C54A24B", "NULL CASE CHOICE SUBRANGES WITH VALUES " &
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45 "OUTSIDE SUBRANGE");
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46
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47 CASE X IS
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48 WHEN C RANGE C'BASE'LAST .. C'BASE'FIRST
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49 | C RANGE 'Z' .. ' ' => X := 'A';
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50 WHEN C => NULL;
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51 WHEN OTHERS => X := 'C';
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52 END CASE;
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53 IF X /= 'B' THEN
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54 FAILED ("WRONG CASE EXECUTION");
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55 END IF;
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56
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57 RESULT;
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58 END C54A24B;
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