1-- C34001F.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-- FOR DERIVED BOOLEAN TYPES:
26
27--   CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT FOR THE
28--   DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION IS
29--   CONSTRAINED.
30
31--   CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS ALSO
32--   IMPOSED ON THE DERIVED SUBTYPE.
33
34-- JRK 8/20/86
35
36WITH REPORT; USE REPORT;
37
38PROCEDURE C34001F IS
39
40     SUBTYPE PARENT IS BOOLEAN;
41
42     TYPE T IS NEW PARENT RANGE
43               PARENT'VAL (IDENT_INT (PARENT'POS (FALSE))) ..
44               PARENT'VAL (IDENT_INT (PARENT'POS (FALSE)));
45
46     SUBTYPE SUBPARENT IS PARENT RANGE TRUE .. TRUE;
47
48     TYPE S IS NEW SUBPARENT;
49
50     X : T;
51     Y : S;
52
53BEGIN
54     TEST ("C34001F", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &
55                      "TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &
56                      "WHEN THE DERIVED TYPE DEFINITION IS " &
57                      "CONSTRAINED.  ALSO CHECK THAT ANY CONSTRAINT " &
58                      "IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &
59                      "ON THE DERIVED SUBTYPE.  CHECK FOR DERIVED " &
60                      "BOOLEAN TYPES");
61
62     -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.
63
64     IF T'BASE'FIRST /= FALSE OR T'BASE'LAST /= TRUE OR
65        S'BASE'FIRST /= FALSE OR S'BASE'LAST /= TRUE THEN
66          FAILED ("INCORRECT 'BASE'FIRST OR 'BASE'LAST");
67     END IF;
68
69     IF T'PRED (TRUE) /= FALSE OR T'SUCC (FALSE) /= TRUE OR
70        S'PRED (TRUE) /= FALSE OR S'SUCC (FALSE) /= TRUE THEN
71          FAILED ("INCORRECT 'PRED OR 'SUCC");
72     END IF;
73
74     -- CHECK THE DERIVED SUBTYPE CONSTRAINT.
75
76     IF T'FIRST /= FALSE OR T'LAST /= FALSE OR
77        S'FIRST /= TRUE  OR S'LAST /= TRUE  THEN
78          FAILED ("INCORRECT 'FIRST OR 'LAST");
79     END IF;
80
81     BEGIN
82          X := FALSE;
83          Y := TRUE;
84          IF NOT PARENT (X) /= PARENT (Y) THEN  -- USE X AND Y.
85               FAILED ("INCORRECT CONVERSION TO PARENT");
86          END IF;
87     EXCEPTION
88          WHEN OTHERS =>
89               FAILED ("EXCEPTION RAISED BY OK ASSIGNMENT");
90     END;
91
92     BEGIN
93          X := TRUE;
94          FAILED ("CONSTRAINT_ERROR NOT RAISED -- X := TRUE");
95          IF X = TRUE THEN  -- USE X.
96               COMMENT ("X ALTERED -- X := TRUE");
97          END IF;
98     EXCEPTION
99          WHEN CONSTRAINT_ERROR =>
100               NULL;
101          WHEN OTHERS =>
102               FAILED ("WRONG EXCEPTION RAISED -- X := TRUE");
103     END;
104
105     BEGIN
106          Y := FALSE;
107          FAILED ("CONSTRAINT_ERROR NOT RAISED -- Y := FALSE");
108          IF Y = FALSE THEN  -- USE Y.
109               COMMENT ("Y ALTERED -- Y := FALSE");
110          END IF;
111     EXCEPTION
112          WHEN CONSTRAINT_ERROR =>
113               NULL;
114          WHEN OTHERS =>
115               FAILED ("WRONG EXCEPTION RAISED -- Y := FALSE");
116     END;
117
118     RESULT;
119END C34001F;
120