1-- C97113A.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 ALL CONDITIONS, OPEN DELAY ALTERNATIVE EXPRESSIONS, AND
26--   OPEN ENTRY FAMILY INDICES ARE EVALUATED (EVEN WHEN SOME (PERHAPS
27--   ALL BUT ONE) OF THE ALTERNATIVES CAN BE RULED OUT WITHOUT
28--   COMPLETING THE EVALUATIONS).
29
30-- RM 5/06/82
31-- SPS 11/21/82
32-- WRG 7/9/86    ADDED DELAY EXPRESSIONS AND ENTRY FAMILY INDICES.
33
34with Impdef;
35WITH REPORT; USE REPORT;
36PROCEDURE C97113A IS
37
38     EXPR1_EVALUATED : BOOLEAN := FALSE;
39     EXPR2_EVALUATED : BOOLEAN := FALSE;
40     EXPR3_EVALUATED : BOOLEAN := FALSE;
41
42     FUNCTION F1 RETURN BOOLEAN IS
43     BEGIN
44          EXPR1_EVALUATED := TRUE;
45          RETURN TRUE;
46     END F1;
47
48     FUNCTION F2 (X : INTEGER) RETURN INTEGER IS
49     BEGIN
50          EXPR2_EVALUATED := TRUE;
51          RETURN X;
52     END F2;
53
54     FUNCTION F3 (X : DURATION) RETURN DURATION IS
55     BEGIN
56          EXPR3_EVALUATED := TRUE;
57          RETURN X;
58     END F3;
59
60BEGIN
61
62     TEST ("C97113A", "CHECK THAT ALL CONDITIONS, OPEN DELAY " &
63                      "ALTERNATIVE EXPRESSIONS, AND OPEN ENTRY " &
64                      "FAMILY INDICES ARE EVALUATED");
65
66     DECLARE
67
68          TASK T IS
69               ENTRY E1;
70               ENTRY E2;
71               ENTRY E3 (1..1);
72          END T;
73
74          TASK BODY T IS
75          BEGIN
76               --ENSURE THAT E1 HAS BEEN CALLED BEFORE PROCEEDING:
77               WHILE E1'COUNT = 0 LOOP
78                    DELAY 1.0 * Impdef.One_Second;
79               END LOOP;
80
81               SELECT
82                    ACCEPT E1;
83               OR
84                    WHEN F1 =>
85                         ACCEPT E2;
86               OR
87                    ACCEPT E3 ( F2(1) );
88               OR
89                    DELAY F3 ( 1.0 ) * Impdef.One_Second;
90               END SELECT;
91          END T;
92
93     BEGIN
94
95          T.E1;
96
97     END;
98
99     IF NOT EXPR1_EVALUATED THEN
100          FAILED ("GUARD NOT EVALUATED");
101     END IF;
102
103     IF NOT EXPR2_EVALUATED THEN
104          FAILED ("ENTRY FAMILY INDEX NOT EVALUATED");
105     END IF;
106
107     IF NOT EXPR3_EVALUATED THEN
108          FAILED ("OPEN DELAY ALTERNATIVE EXPRESSION NOT EVALUATED");
109     END IF;
110
111     RESULT;
112
113END C97113A;
114