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comparison gcc/testsuite/ada/acats/tests/cc/cc51003.a @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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1 -- CC51003.A
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 --
26 -- OBJECTIVE:
27 -- Check that if the ancestor type of a formal derived type is a composite
28 -- type that is not an array type, the formal type inherits components,
29 -- including discriminants, from the ancestor type.
30 --
31 -- Check for the case where the ancestor type is a record type, and the
32 -- formal derived type is declared in a generic subprogram.
33 --
34 -- TEST DESCRIPTION:
35 -- Define a discriminated record type in a package. Declare a
36 -- library-level generic subprogram with a formal derived type using the
37 -- record type as ancestor. Give the generic subprogram an in out
38 -- parameter of the formal derived type. Inside the generic, use the
39 -- discriminant component and modify the remaining components of the
40 -- record parameter. In the main program, declare record objects with two
41 -- different discriminant values. Derive an indefinite type from the
42 -- record type with a new discriminant part. Instantiate the generic
43 -- subprogram for the root record subtype and the derived subtype. Call
44 -- the root subtype instance with actual parameters having the two
45 -- discriminant values. Also call the derived subtype instance with
46 -- an appropriate actual.
47 --
48 --
49 -- CHANGE HISTORY:
50 -- 06 Dec 94 SAIC ACVC 2.0
51 -- 03 Jan 95 SAIC Removed unknown discriminant part from formal
52 -- derived type.
53 -- 05 Nov 95 SAIC ACVC 2.0.1 fixes: Removed constrained subtype
54 -- instantiation and associated declarations.
55 -- Modified commentary.
56 --
57 --!
58
59
60 -- Simulate a fragment of a matrix manipulation application.
61
62 package CC51003_0 is -- Matrix types.
63
64 type Matrix is array (Natural range <>, Natural range <>) of Integer;
65
66 type Square (Side : Natural) is record
67 Mat : Matrix (1 .. Side, 1 .. Side);
68 end record;
69
70 type Double_Square (Number : Natural) is record
71 Left : Square (Number);
72 Right : Square (Number);
73 end record;
74
75 end CC51003_0;
76
77
78 -- No body for CC51003_0;
79
80
81 --==================================================================--
82
83
84 with CC51003_0; -- Matrix types.
85 generic -- Generic double-matrix "clear" operation.
86 type Dbl_Square is new CC51003_0.Double_Square; -- Indefinite
87 procedure CC51003_1 (Dbl : in out Dbl_Square); -- formal.
88
89
90 --==================================================================--
91
92
93 procedure CC51003_1 (Dbl : in out Dbl_Square) is
94 begin
95 for I in 1 .. Dbl.Number loop -- Discriminants inherited from ancestor
96 for J in 1 .. Dbl.Number loop -- type (should work even for derived type
97 -- declaring new discriminant part).
98 Dbl.Left.Mat (I, J) := 0; -- Other components inherited from
99 Dbl.Right.Mat (I, J) := 0; -- ancestor type.
100
101 end loop;
102 end loop;
103 end CC51003_1;
104
105
106 --==================================================================--
107
108
109 with CC51003_0; -- Matrix types.
110 with CC51003_1; -- Generic double-matrix "clear" operation.
111
112 with Report;
113 procedure CC51003 is
114
115 use CC51003_0; -- "/=" operator directly visible for Double_Square.
116
117 -- Matrices of root type:
118
119 Mat_2x2 : Square(Side => 2) := (Side => 2,
120 Mat => ( (1, 2), (3, 4) ));
121 Dbl_Mat_2x2 : Double_Square(Number => 2) := (2, Mat_2x2, Mat_2x2);
122
123
124 Zero_2x2 : constant Square(2) := (2, Mat => ( (0, 0), (0, 0) ));
125 Expected_2x2 : constant Double_Square(2) := (Number => 2,
126 others => Zero_2x2);
127
128
129
130 Mat_3x3 : Square(Side => 3) := (Side => 3,
131 Mat => (1 => (1, 4, 9),
132 others => (1 => 5,
133 others => 7)));
134 Dbl_Mat_3x3 : Double_Square(3) := (Number => 3, others => Mat_3x3);
135
136
137 Zero_3x3 : constant Square(3) := (3, Mat => (others => (0,0,0)));
138 Expected_3x3 : constant Double_Square(Number => 3) :=
139 (3, Zero_3x3, Zero_3x3);
140
141
142 -- Derived type with new discriminant part (which constrains parent):
143
144 type New_Dbl_Sq (Num : Natural) is new Double_Square(Num);
145
146 New_Dbl_2x2 : New_Dbl_Sq (Num => 2) := (2, Mat_2x2, Mat_2x2);
147 Expected_New_2x2 : constant New_Dbl_Sq := (Num => 2, others => Zero_2x2);
148
149
150
151 -- Instantiations:
152
153 procedure Clr_Dbl is new CC51003_1 (Double_Square);
154 procedure Clr_New_Dbl is new CC51003_1 (New_Dbl_Sq);
155
156
157 begin
158 Report.Test ("CC51003", "Check that a formal derived record type " &
159 "inherits components, including discriminants, " &
160 "from its ancestor type");
161
162 -- Simulate use of matrix manipulation operations.
163
164 Clr_Dbl (Dbl_Mat_2x2);
165
166 if (Dbl_Mat_2x2 /= Expected_2x2) then
167 Report.Failed ("Wrong result for root type (2x2 matrix)");
168 end if;
169
170
171 Clr_Dbl (Dbl_Mat_3x3);
172
173 if (Dbl_Mat_3x3 /= Expected_3x3) then
174 Report.Failed ("Wrong result for root type (3x3 matrix)");
175 end if;
176
177
178 Clr_New_Dbl (New_Dbl_2x2);
179
180 if (New_Dbl_2x2 /= Expected_New_2x2) then
181 Report.Failed ("Wrong result for derived type (2x2 matrix)");
182 end if;
183
184
185 Report.Result;
186
187 end CC51003;