1-- C54A42D.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-- CHECK THAT A  CASE_STATEMENT CORRECTLY HANDLES A FEW ALTERNATIVES
26--    COVERING A LARGE RANGE OF INTEGERS.
27
28
29-- (OPTIMIZATION TEST.)
30
31
32-- RM 03/30/81
33
34
35WITH REPORT;
36PROCEDURE  C54A42D  IS
37
38     USE  REPORT ;
39
40BEGIN
41
42     TEST( "C54A42D" , "TEST THAT A  CASE_STATEMENT CORRECTLY HANDLES" &
43                       " A FEW ALTERNATIVES COVERING A LARGE RANGE" &
44                       " OF INTEGERS" );
45
46     DECLARE
47
48          NUMBER  : CONSTANT          := 2000 ;
49          LITEXPR : CONSTANT          := NUMBER + 2000 ;
50          STATCON : CONSTANT INTEGER  := 2001 ;
51          DYNVAR  :          INTEGER  := IDENT_INT( 0 );
52          DYNCON  : CONSTANT INTEGER  := IDENT_INT( 1 );
53
54     BEGIN
55
56          CASE  INTEGER'(-4000)  IS
57               WHEN  1..2000         =>  FAILED("WRONG ALTERNATIVE F1");
58               WHEN  INTEGER'FIRST..0=>  NULL ;
59               WHEN  2001            =>  FAILED("WRONG ALTERNATIVE F3");
60               WHEN  2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE F4");
61          END CASE;
62
63          CASE  INTEGER'(NUMBER)   IS
64               WHEN  1..2000         =>  NULL ;
65               WHEN  INTEGER'FIRST..0=>  FAILED("WRONG ALTERNATIVE G2");
66               WHEN  2001            =>  FAILED("WRONG ALTERNATIVE G3");
67               WHEN  2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE G4");
68          END CASE;
69
70          CASE  IDENT_INT(LITEXPR)  IS
71               WHEN  1..2000         =>  FAILED("WRONG ALTERNATIVE H1");
72               WHEN  INTEGER'FIRST..0=>  FAILED("WRONG ALTERNATIVE H2");
73               WHEN  2001            =>  FAILED("WRONG ALTERNATIVE H3");
74               WHEN  2002..INTEGER'LAST=>NULL ;
75          END CASE;
76
77          CASE  STATCON  IS
78               WHEN  1..2000         =>  FAILED("WRONG ALTERNATIVE I1");
79               WHEN  INTEGER'FIRST..0=>  FAILED("WRONG ALTERNATIVE I2");
80               WHEN  2001            =>  NULL ;
81               WHEN  2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE I4");
82          END CASE;
83
84          CASE  DYNVAR   IS
85               WHEN  1..2000         =>  FAILED("WRONG ALTERNATIVE J1");
86               WHEN  INTEGER'FIRST..0=>  NULL ;
87               WHEN  2001            =>  FAILED("WRONG ALTERNATIVE J3");
88               WHEN  2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE J4");
89          END CASE;
90
91          CASE  DYNCON   IS
92               WHEN  1..2000         =>  NULL ;
93               WHEN  INTEGER'FIRST..0=>  FAILED("WRONG ALTERNATIVE K2");
94               WHEN  2001            =>  FAILED("WRONG ALTERNATIVE K3");
95               WHEN  2002..INTEGER'LAST=>FAILED("WRONG ALTERNATIVE K4");
96          END CASE;
97
98     END ;
99
100
101     RESULT ;
102
103
104END  C54A42D ;
105