1-- C93005A.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 WHEN AN EXCEPTION IS RAISED IN A DECLARATIVE PART, A TASK
26-- DECLARED IN THE SAME DECLARATIVE PART BECOMES TERMINATED.
27
28-- CHECK THAT A TASK WAITING ON ENTRIES OF SUCH A
29-- TERMINATED-BEFORE-ACTIVATION TASK RECEIVES TASKING_ERROR.
30
31-- JEAN-PIERRE ROSEN 3/9/84
32-- JBG 06/01/84
33-- JBG 05/23/85
34-- EG  10/29/85  ELIMINATE THE USE OF NUMERIC_ERROR IN TEST.
35-- PWN 01/31/95  REMOVED INCONSISTENCIES WITH ADA 9X.
36
37WITH REPORT; USE REPORT;
38WITH SYSTEM; USE SYSTEM;
39PROCEDURE C93005A IS
40
41BEGIN
42     TEST("C93005A", "EXCEPTIONS RAISED IN A DECLARATIVE PART " &
43                     "CONTAINING TASKS");
44
45     BEGIN
46
47          DECLARE
48               TASK TYPE T1 IS     -- CHECKS THAT T2 TERMINATES.
49               END T1;
50
51               TYPE AT1 IS ACCESS T1;
52
53               TASK T2 IS          -- WILL NEVER BE ACTIVATED.
54                    ENTRY E;
55               END T2;
56
57               PACKAGE RAISE_IT IS
58               END RAISE_IT;
59
60               TASK BODY T2 IS
61               BEGIN
62                    FAILED ("T2 ACTIVATED");
63                    -- IN CASE OF FAILURE
64                    LOOP
65                         SELECT
66                              ACCEPT E;
67                         OR
68                              TERMINATE;
69                         END SELECT;
70                    END LOOP;
71               END T2;
72
73               TASK BODY T1 IS
74               BEGIN
75                    DECLARE  -- THIS BLOCK TO CHECK THAT T3 TERMINATES.
76                         TASK T3 IS
77                         END T3;
78
79                         TASK BODY T3 IS
80                         BEGIN
81                              T2.E;
82                              FAILED ("RENDEZVOUS COMPLETED WITHOUT " &
83                                      "ERROR - T3");
84                         EXCEPTION
85                              WHEN TASKING_ERROR =>
86                                   NULL;
87                              WHEN OTHERS =>
88                                   FAILED("ABNORMAL EXCEPTION - T3");
89                         END T3;
90                    BEGIN
91                         NULL;
92                    END;
93
94                    T2.E;    --T2 IS NOW TERMINATED
95
96                    FAILED ("RENDEZVOUS COMPLETED WITHOUT ERROR - T1");
97
98               EXCEPTION
99                    WHEN TASKING_ERROR =>
100                         NULL;
101                    WHEN OTHERS =>
102                         FAILED("ABNORMAL EXCEPTION - T1");
103               END;
104
105               PACKAGE BODY RAISE_IT IS
106                    PT1 : AT1 := NEW T1;
107                    I   : POSITIVE := IDENT_INT(0); -- RAISE
108                                                    -- CONSTRAINT_ERROR.
109               BEGIN
110                    IF I /= IDENT_INT(2) OR I = IDENT_INT(1) + 1 THEN
111                         FAILED ("PACKAGE DIDN'T RAISE EXCEPTION");
112                    END IF;
113               END RAISE_IT;
114
115          BEGIN     -- CAN'T LEAVE BLOCK UNTIL T1, T2, AND T3 ARE TERM.
116               FAILED ("EXCEPTION NOT RAISED");
117          END;
118
119     EXCEPTION
120          WHEN CONSTRAINT_ERROR =>
121               NULL;
122          WHEN TASKING_ERROR =>
123               FAILED ("TASKING_ERROR IN MAIN PROGRAM");
124          WHEN OTHERS =>
125               FAILED ("ABNORMAL EXCEPTION IN MAIN-1");
126     END;
127
128     RESULT;
129
130END C93005A;
131