1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
-- C3900063.AM
--
-- Grant of Unlimited Rights
--
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
-- unlimited rights in the software and documentation contained herein.
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
-- this public release, the Government intends to confer upon all
-- recipients unlimited rights equal to those held by the Government.
-- These rights include rights to use, duplicate, release or disclose the
-- released technical data and computer software in whole or in part, in
-- any manner and for any purpose whatsoever, and to have or permit others
-- to do so.
--
-- DISCLAIMER
--
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
-- PARTICULAR PURPOSE OF SAID MATERIAL.
--*
--
-- OBJECTIVE:
-- Check that a private tagged type declared in a package specification
-- may be extended with a private extension in a different package
-- specification, and that this private extension may in turn be extended
-- by a record extension in a third package.
--
-- Check that each derivative inherits the user-defined primitive
-- subprograms of its parent (including those that its parent inherited),
-- that it may override these inherited primitive subprograms, and that it
-- may also declare its own primitive subprograms.
--
-- Check that type conversion is defined from a type extension to its
-- parent, and that this parent itself may be a type extension.
--
-- TEST DESCRIPTION:
-- Declare a root tagged private type and two associated primitive
-- subprograms in a package specification. Declare operations to verify
-- the correctness of the components. Declare operations which return
-- values of the type's private components, and which will be inherited
-- by later derivatives.
--
-- Extend the root type with a private extension in a second package
-- specification. Declare a new primitive subprogram for the extension,
-- and override one of the two inherited subprograms. Within the
-- overriding subprogram, utilize type conversion to call the parent's
-- implementation of the same subprogram. Also within the overriding
-- subprogram, call the new primitive subprogram and each inherited
-- subprogram. Declare operations of the private extension which
-- override the verification operations of its parent. Declare
-- operations which return values of the extension's private components,
-- and which will be inherited by later derivatives.
--
-- Extend the extension with a record extension in a third package
-- specification. Declare a new primitive subprogram for this record
-- extension, and override one of the three inherited subprograms.
-- Within the overriding subprogram, utilize type conversion to call the
-- parent's implementation of the same subprogram. Also within the
-- overriding subprogram, call the new primitive subprogram and each
-- inherited subprogram. Declare operations of the record extension
-- which override the verification operations of its parent.
--
-- In the main program, declare objects of the root tagged type and
-- the two type extensions. For each object, call the overriding
-- subprogram, and verify the correctness of the components by calling
-- the verification operations.
--
-- TEST FILES:
-- This test consists of the following files:
--
-- C3900060.A
-- C3900061.A
-- C3900062.A
-- => C3900063.AM
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 04 Jun 96 SAIC ACVC 2.1: Modified prologue.
--
--!
with Report;
with C3900060; -- Basic alert abstraction.
with C3900062; -- Further extended alert abstraction.
use C3900060; -- Primitive operations of Alert_Type directly visible.
procedure C3900063 is
begin
Report.Test ("C390006", "Primitive operation inheritance by type " &
"extensions: all extensions declared in different " &
"packages; root type and 1st extension are private, " &
"2nd extension is record extension");
-- The cases for type C3900060.Alert_Type and C3900061.Low_Alert_Type
-- are tested in C390005. Those subtests are not repeated here.
MEDIUM_ALERT_SUBTEST: ------------------------------------------------------
declare
Medium_Alarm : C3900062.Medium_Alert_Type; -- Rec. ext. of extension.
use C3900062; -- Primitive operations of extension directly visible.
begin
if not Initial_Values_Okay (Medium_Alarm) then
Report.Failed ("Wrong initial values for Medium_Alert_Type");
end if;
Handle (Medium_Alarm);
if Bad_Final_Values (Medium_Alarm) then
Report.Failed ("Wrong values for Medium_Alert_Type after Handle");
end if;
end Medium_Alert_Subtest;
-- Check final display counts:
if C3900060.Display_Count_For /= (Null_Device => 1,
Teletype => 1,
Console => 1,
Big_Screen => 0)
then
Report.Failed ("Wrong display counts after Medium_Alert_Type");
end if;
Report.Result;
end C3900063;
|
