1-- C54A24B.ADA
2
3--                             Grant of Unlimited Rights
4--
5--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7--     unlimited rights in the software and documentation contained herein.
8--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
9--     this public release, the Government intends to confer upon all
10--     recipients unlimited rights  equal to those held by the Government.
11--     These rights include rights to use, duplicate, release or disclose the
12--     released technical data and computer software in whole or in part, in
13--     any manner and for any purpose whatsoever, and to have or permit others
14--     to do so.
15--
16--                                    DISCLAIMER
17--
18--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23--     PARTICULAR PURPOSE OF SAID MATERIAL.
24--*
25-- OBJECTIVE:
26--     CHECK THAT NULL SUBTYPE RANGES ARE ACCEPTABLE CASE CHOICES,
27--     WHERE THE BOUNDS ARE BOTH OUT OF THE SUBRANGE'S RANGE, AND
28--     WHERE VACUOUS CHOICES HAVE NON-NULL STATEMENT SEQUENCES.
29--     CHECK THAT AN UNNEEDED OTHERS CLAUSE IS PERMITTED.
30
31-- HISTORY:
32--     DAT 01/29/81 CREATED ORIGINAL TEST.
33--     DHH 10/20/87 SHORTENED LINES CONTAINING MORE THAN 72 CHARACTERS.
34
35WITH REPORT;
36PROCEDURE C54A24B IS
37
38     USE REPORT;
39
40     TYPE C IS NEW CHARACTER RANGE 'A' .. 'D';
41     X : C := 'B';
42
43BEGIN
44     TEST ("C54A24B", "NULL CASE CHOICE SUBRANGES WITH VALUES " &
45           "OUTSIDE SUBRANGE");
46
47     CASE X IS
48          WHEN C RANGE C'BASE'LAST .. C'BASE'FIRST
49               | C RANGE 'Z' .. ' ' => X := 'A';
50          WHEN C => NULL;
51          WHEN OTHERS => X := 'C';
52     END CASE;
53     IF X /= 'B' THEN
54          FAILED ("WRONG CASE EXECUTION");
55     END IF;
56
57     RESULT;
58END C54A24B;
59