1-- C97117B.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 AN ELSE PART IS EXECUTED IF ALL ALTERNATIVES ARE CLOSED OR
26-- IF THERE ARE NO TASKS QUEUED FOR OPEN ALTERNATIVES.
27
28-- WRG 7/10/86
29
30with Impdef;
31WITH REPORT; USE REPORT;
32PROCEDURE C97117B IS
33
34BEGIN
35
36     TEST ("C97117B", "CHECK THAT AN ELSE PART IS EXECUTED IF ALL " &
37                      "ALTERNATIVES ARE CLOSED OR IF THERE ARE NO " &
38                      "TASKS QUEUED FOR OPEN ALTERNATIVES");
39
40     DECLARE
41
42          TASK T IS
43               ENTRY E;
44               ENTRY NO_GO;
45          END T;
46
47          TASK BODY T IS
48          BEGIN
49               -- ENSURE THAT NO_GO HAS BEEN CALLED BEFORE PROCEEDING:
50               WHILE NO_GO'COUNT = 0 LOOP
51                    DELAY 1.0 * Impdef.One_Second;
52               END LOOP;
53
54               SELECT
55                    WHEN IDENT_BOOL (FALSE) =>
56                         ACCEPT E;
57                         FAILED ("CLOSED ACCEPT ALTERNATIVE TAKEN " &
58                                 "FOR NONEXISTENT ENTRY CALL - 1");
59               OR
60                    WHEN IDENT_BOOL (FALSE) =>
61                         ACCEPT NO_GO;
62                         FAILED ("CLOSED ALTERNATIVE TAKEN - 1");
63               ELSE
64                    COMMENT ("ELSE PART EXECUTED - 1");
65               END SELECT;
66
67               SELECT
68                    ACCEPT E;
69                    FAILED ("ACCEPTED NONEXISTENT ENTRY CALL - 2");
70               OR WHEN IDENT_BOOL (FALSE) =>
71                    ACCEPT NO_GO;
72                    FAILED ("CLOSED ALTERNATIVE TAKEN - 2");
73               ELSE
74                    COMMENT ("ELSE PART EXECUTED - 2");
75               END SELECT;
76
77               ACCEPT NO_GO;
78          END T;
79
80     BEGIN
81
82          T.NO_GO;
83
84     END;
85
86     RESULT;
87
88END C97117B;
89