1-- C46051C.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 RECORD VALUES CAN BE CONVERTED IF THE OPERAND
27--     AND TARGET TYPES ARE RELATED BY DERIVATION, EVEN IF THE OPERAND
28--     AND TARGET TYPES HAVE DIFFERENT REPRESENTATIONS.
29
30-- HISTORY:
31--     JET 07/13/88  CREATED ORIGINAL TEST.
32--     RJW 08/28/89  REMOVED APPLICABILITY CRITERIA AND CHANGED
33--                   EXTENSION TO 'ADA'.
34
35WITH REPORT; USE REPORT;
36WITH SYSTEM;
37
38PROCEDURE C46051C IS
39
40     UNITS_PER_INTEGER : CONSTANT :=
41          (INTEGER'SIZE+SYSTEM.STORAGE_UNIT-1) / SYSTEM.STORAGE_UNIT;
42
43     TYPE ARR IS ARRAY (1..2) OF INTEGER;
44
45     TYPE REC IS RECORD
46          F1 : INTEGER;
47          F2 : INTEGER;
48          F3 : INTEGER;
49     END RECORD;
50
51     TYPE REC1 IS NEW REC;
52     FOR REC1 USE
53          RECORD
54               F1 AT 0 RANGE 0 .. INTEGER'SIZE - 1;
55               F2 AT 1*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
56               F3 AT 3*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
57          END RECORD;
58
59     TYPE REC2 IS NEW REC;
60     FOR REC2 USE
61          RECORD
62               F1 AT 0 RANGE 0 .. INTEGER'SIZE - 1;
63               F2 AT 2*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
64               F3 AT 3*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
65          END RECORD;
66
67     TYPE REC3 IS NEW REC1;
68
69     R  : REC  := (IDENT_INT (0), 1, 2);
70     R1 : REC1 := (IDENT_INT (1), 2, 3);
71     R2 : REC2 := (IDENT_INT (2), 3, 4);
72     R3 : REC3 := (IDENT_INT (3), 4, 5);
73
74BEGIN
75     TEST ( "C46051C", "CHECK THAT RECORD VALUES CAN BE " &
76                       "CONVERTED IF THE OPERAND AND TARGET TYPES " &
77                       "ARE RELATED BY DERIVATION, EVEN IF THE " &
78                       "OPERAND AND TARGET TYPES HAVE DIFFERENT " &
79                       "REPRESENTATIONS");
80
81     IF REC1(R) /= (0,1,2) THEN
82          FAILED ( "INCORRECT CONVERSION OF 'REC1 (R)'" );
83     END IF;
84
85     IF REC (R1) /= (1,2,3) THEN
86          FAILED ( "INCORRECT CONVERSION OF 'REC (R1)'" );
87     END IF;
88
89     IF REC1 (R2) /= (2,3,4) THEN
90          FAILED ( "INCORRECT CONVERSION OF 'REC1 (R2)'" );
91     END IF;
92
93     IF REC2 (R3) /= (3,4,5) THEN
94          FAILED ( "INCORRECT CONVERSION OF 'REC2 (R3)'" );
95     END IF;
96
97     IF REC (R) /= (0,1,2) THEN
98          FAILED ( "INCORRECT CONVERSION OF 'REC (R)'" );
99     END IF;
100
101     IF REC2 (R1) /= (1,2,3) THEN
102          FAILED ( "INCORRECT CONVERSION OF 'REC2 (R1)'" );
103     END IF;
104
105     IF REC3 (R2) /= (2,3,4) THEN
106          FAILED ( "INCORRECT CONVERSION OF 'REC3 (R2)'" );
107     END IF;
108
109     IF REC (R3) /= (3,4,5) THEN
110          FAILED ( "INCORRECT CONVERSION OF 'REC (R3)'" );
111     END IF;
112
113     RESULT;
114
115EXCEPTION
116     WHEN OTHERS =>
117          FAILED ( "EXCEPTION RAISED DURING CONVERSION OF " &
118                   "RECORD TYPES" );
119          RESULT;
120END C46051C;
121