1-- C34012A.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 DEFAULT EXPRESSIONS IN DERIVED RECORD TYPES AND
27--     DERIVED SUBPROGRAMS ARE EVALUATED USING THE ENTITIES DENOTED BY
28--     THE EXPRESSIONS IN THE PARENT TYPE.
29
30-- HISTORY:
31--     RJW 06/19/86  CREATED ORIGINAL TEST.
32--     BCB 08/19/87  CHANGED HEADER TO STANDARD HEADER FORMAT.  CHANGED
33--                   PACKAGE B SO WOULD HAVE ONE CASE WHERE DEFAULT IS
34--                   DECLARED BEFORE THE DERIVED TYPE DECLARATION.
35
36WITH REPORT; USE REPORT;
37
38PROCEDURE C34012A IS
39
40BEGIN
41     TEST ("C34012A", "CHECK THAT DEFAULT EXPRESSIONS IN DERIVED " &
42                      "RECORD TYPES AND DERIVED SUBPROGRAMS ARE " &
43                      "EVALUATED USING THE ENTITIES DENOTED BY THE " &
44                      "EXPRESSIONS IN THE PARENT TYPE" );
45
46     DECLARE
47          PACKAGE P IS
48               X : INTEGER := 5;
49               TYPE REC IS
50                    RECORD
51                         C : INTEGER := X;
52                    END RECORD;
53          END P;
54
55          PACKAGE Q IS
56               X : INTEGER := 6;
57               TYPE NEW_REC IS NEW P.REC;
58               QVAR : NEW_REC;
59          END Q;
60
61          PACKAGE R IS
62               X : INTEGER := 7;
63               TYPE BRAND_NEW_REC IS NEW Q.NEW_REC;
64               RVAR : BRAND_NEW_REC;
65          END R;
66
67          USE Q;
68          USE R;
69     BEGIN
70          IF QVAR.C = 5 THEN
71               NULL;
72          ELSE
73               FAILED ( "INCORRECT VALUE FOR QVAR" );
74          END IF;
75
76          IF RVAR.C = 5 THEN
77               NULL;
78          ELSE
79               FAILED ( "INCORRECT VALUE FOR RVAR" );
80          END IF;
81     END;
82
83     DECLARE
84          PACKAGE A IS
85               TYPE T IS RANGE 1 .. 10;
86               DEFAULT : T := 5;
87               FUNCTION F (X : T := DEFAULT) RETURN T;
88          END A;
89
90          PACKAGE BODY A IS
91               FUNCTION F (X : T := DEFAULT) RETURN T IS
92               BEGIN
93                    RETURN X;
94               END F;
95          END A;
96
97          PACKAGE B IS
98               DEFAULT : A.T:= 6;
99               TYPE NEW_T IS NEW A.T;
100               BVAR : NEW_T := F;
101          END B;
102
103          PACKAGE C IS
104               TYPE BRAND_NEW_T IS NEW B.NEW_T;
105               DEFAULT : BRAND_NEW_T := 7;
106               CVAR : BRAND_NEW_T :=F;
107          END C;
108
109          USE B;
110          USE C;
111     BEGIN
112          IF BVAR = 5 THEN
113               NULL;
114          ELSE
115               FAILED ( "INCORRECT VALUE FOR BVAR" );
116          END IF;
117
118          IF CVAR = 5 THEN
119               NULL;
120          ELSE
121               FAILED ( "INCORRECT VALUE FOR CVAR" );
122          END IF;
123
124          DECLARE
125               VAR : BRAND_NEW_T := F;
126          BEGIN
127               IF VAR = 5 THEN
128                    NULL;
129               ELSE
130                    FAILED ( "INCORRECT VALUE FOR VAR" );
131               END IF;
132          END;
133     END;
134
135     RESULT;
136END C34012A;
137