1-- CB4006A.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 EXCEPTIONS IN A BLOCK IN A HANDLER
27--     ARE HANDLED CORRECTLY.
28
29-- HISTORY:
30--     DAT 04/15/81
31--     SPS 11/02/82
32--     JET 01/06/88  UPDATED HEADER FORMAT AND ADDED CODE TO
33--                   PREVENT OPTIMIZATION.
34--     JRL 05/28/92  CHANGED CODE IN PROGRAM_ERROR BLOCK TO
35--                   PREVENT OPTIMIZATION.
36
37WITH REPORT;
38USE REPORT;
39
40PROCEDURE CB4006A IS
41
42     I1 : INTEGER RANGE 1 .. 2 := 1;
43
44     PROCEDURE P IS
45     BEGIN
46          IF EQUAL(3,3) THEN
47               RAISE PROGRAM_ERROR;
48          END IF;
49     EXCEPTION
50          WHEN PROGRAM_ERROR =>
51               DECLARE
52                    I : INTEGER RANGE 1 .. 1 := I1;
53               BEGIN
54                    IF EQUAL(I,I) THEN
55                         I := I1 + 1;
56                    END IF ;
57                    FAILED ("EXCEPTION NOT RAISED 1");
58
59                    IF NOT EQUAL(I,I) THEN
60                         COMMENT ("CAN'T OPTIMIZE THIS");
61                    END IF;
62
63               EXCEPTION
64                    WHEN CONSTRAINT_ERROR =>
65                         IF I1 /= 1 THEN
66                              FAILED ("WRONG HANDLER 1");
67                         ELSE
68                              I1 := I1 + 1;
69                         END IF;
70               END;
71          WHEN CONSTRAINT_ERROR =>
72               FAILED ("WRONG HANDLER 3");
73     END P;
74
75BEGIN
76     TEST ("CB4006A", "CHECK THAT EXCEPTIONS IN BLOCKS IN " &
77                      "HANDLERS WORK");
78
79     P;
80     IF IDENT_INT(I1) /= 2 THEN
81          FAILED ("EXCEPTION NOT HANDLED CORRECTLY");
82     ELSE
83          BEGIN
84               P;
85               FAILED ("EXCEPTION NOT RAISED CORRECTLY 2");
86          EXCEPTION
87               WHEN CONSTRAINT_ERROR => NULL;
88          END;
89     END IF;
90
91     RESULT;
92
93EXCEPTION
94     WHEN OTHERS => FAILED ("WRONG HANDLER 2");
95          RESULT;
96
97END CB4006A;
98