1-- C95093A.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 THE DEFAULT EXPRESSIONS OF FORMAL PARAMETERS ARE EVALUATED
26-- EACH TIME THEY ARE NEEDED.
27
28-- GLH 7/2/85
29
30WITH REPORT; USE REPORT;
31
32PROCEDURE C95093A IS
33BEGIN
34
35     TEST ("C95093A", "CHECK THAT THE DEFAULT EXPRESSION IS " &
36                      "EVALUATED EACH TIME IT IS NEEDED");
37
38     DECLARE
39
40          X : INTEGER := 1;
41
42          FUNCTION F RETURN INTEGER IS
43          BEGIN
44               X := X + 1;
45               RETURN X;
46          END F;
47
48          TASK T1 IS
49               ENTRY E1 (X, Y : INTEGER := F);
50          END T1;
51
52          TASK BODY T1 IS
53          BEGIN
54
55               ACCEPT E1 (X, Y : INTEGER := F) DO
56                    IF X = Y OR Y /= 2 THEN
57                         FAILED ("DEFAULT NOT EVALUATED CORRECTLY - " &
58                                 "1, X =" & INTEGER'IMAGE(X) &
59                                 ", Y =" & INTEGER'IMAGE(Y));
60                    END IF;
61               END E1;
62
63               ACCEPT E1 (X, Y : INTEGER := F) DO
64                    IF X = Y OR
65                       NOT ((X = 3 AND Y = 4) OR
66                            (X = 4 AND Y = 3)) THEN
67                         FAILED ("DEFAULT NOT EVALUATED CORRECTLY - " &
68                                 "2, X =" & INTEGER'IMAGE(X) &
69                                 ", Y =" & INTEGER'IMAGE(Y));
70                    END IF;
71               END E1;
72
73          END T1;
74
75     BEGIN
76
77          COMMENT ("FIRST CALL");
78          T1.E1 (3);
79
80          COMMENT ("SECOND CALL");
81          T1.E1;
82
83     END;
84
85     RESULT;
86
87END C95093A;
88