|
111
|
1 -- C3900050.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 -- See C3900053.AM.
|
|
|
28 --
|
|
|
29 -- TEST DESCRIPTION:
|
|
|
30 -- See C3900053.AM.
|
|
|
31 --
|
|
|
32 -- TEST FILES:
|
|
|
33 -- This test consists of the following files:
|
|
|
34 --
|
|
|
35 -- => C3900050.A
|
|
|
36 -- C3900051.A
|
|
|
37 -- C3900052.A
|
|
|
38 -- C3900053.AM
|
|
|
39 --
|
|
|
40 -- CHANGE HISTORY:
|
|
|
41 -- 06 Dec 94 SAIC ACVC 2.0
|
|
|
42 -- 15 May 96 SAIC ACVC 2.1: Modified prologue. Added pragma Elaborate
|
|
|
43 -- for Ada.Calendar.
|
|
|
44 --
|
|
|
45 --!
|
|
|
46
|
|
|
47 with Ada.Calendar;
|
|
|
48 pragma Elaborate (Ada.Calendar);
|
|
|
49
|
|
|
50 package C3900050 is -- Alert system abstraction.
|
|
|
51
|
|
|
52 -- Declarations used by component Arrival_Time.
|
|
|
53
|
|
|
54 Default_Time : constant Ada.Calendar.Time :=
|
|
|
55 Ada.Calendar.Time_Of (1901, 1, 1);
|
|
|
56 Alert_Time : constant Ada.Calendar.Time :=
|
|
|
57 Ada.Calendar.Time_Of (1991, 6, 15);
|
|
|
58
|
|
|
59
|
|
|
60 -- Declarations used by component Display_On and procedure Display.
|
|
|
61
|
|
|
62 type Device_Enum is (Null_Device, Teletype, Console, Big_Screen);
|
|
|
63 type Display_Counters is array (Device_Enum) of Natural;
|
|
|
64
|
|
|
65 Display_Count_For : Display_Counters := (others => 0);
|
|
|
66
|
|
|
67
|
|
|
68
|
|
|
69 type Alert_Type is tagged private; -- Root tagged type.
|
|
|
70
|
|
|
71 procedure Set_Display (A : in out Alert_Type; -- To be inherited by
|
|
|
72 D : in Device_Enum); -- all derivatives.
|
|
|
73
|
|
|
74 procedure Display (A : in Alert_Type); -- To be inherited by
|
|
|
75 -- all derivatives.
|
|
|
76
|
|
|
77 procedure Handle (A : in out Alert_Type); -- To be overridden by
|
|
|
78 -- all derivatives.
|
|
|
79
|
|
|
80
|
|
|
81 -- The following functions are needed to verify the values of the
|
|
|
82 -- root tagged type's private components.
|
|
|
83
|
|
|
84 function Get_Time (A: Alert_Type) return Ada.Calendar.Time;
|
|
|
85
|
|
|
86 function Get_Display (A: Alert_Type) return Device_Enum;
|
|
|
87
|
|
|
88 function Initial_Values_Okay (A : in Alert_Type)
|
|
|
89 return Boolean;
|
|
|
90
|
|
|
91 function Bad_Final_Values (A : in Alert_Type)
|
|
|
92 return Boolean;
|
|
|
93
|
|
|
94 private
|
|
|
95
|
|
|
96 type Alert_Type is tagged record -- Root tagged type.
|
|
|
97 Arrival_Time : Ada.Calendar.Time := Default_Time;
|
|
|
98 Display_On : Device_Enum := Null_Device;
|
|
|
99 end record;
|
|
|
100
|
|
|
101
|
|
|
102 end C3900050;
|
|
|
103
|
|
|
104
|
|
|
105 --==================================================================--
|
|
|
106
|
|
|
107
|
|
|
108 package body C3900050 is -- Alert system abstraction.
|
|
|
109
|
|
|
110
|
|
|
111 procedure Set_Display (A : in out Alert_Type;
|
|
|
112 D : in Device_Enum) is
|
|
|
113 begin
|
|
|
114 A.Display_On := D;
|
|
|
115 end Set_Display;
|
|
|
116
|
|
|
117
|
|
|
118 procedure Display (A : in Alert_Type) is
|
|
|
119 begin
|
|
|
120 Display_Count_For (A.Display_On) := Display_Count_For (A.Display_On) + 1;
|
|
|
121 end Display;
|
|
|
122
|
|
|
123
|
|
|
124 procedure Handle (A : in out Alert_Type) is
|
|
|
125 begin
|
|
|
126 A.Arrival_Time := Alert_Time;
|
|
|
127 Display (A);
|
|
|
128 end Handle;
|
|
|
129
|
|
|
130
|
|
|
131 function Get_Time (A: Alert_Type) return Ada.Calendar.Time is
|
|
|
132 begin
|
|
|
133 return A.Arrival_Time;
|
|
|
134 end Get_Time;
|
|
|
135
|
|
|
136
|
|
|
137 function Get_Display (A: Alert_Type) return Device_Enum is
|
|
|
138 begin
|
|
|
139 return A.Display_On;
|
|
|
140 end Get_Display;
|
|
|
141
|
|
|
142
|
|
|
143 function Initial_Values_Okay (A : in Alert_Type) return Boolean is
|
|
|
144 begin
|
|
|
145 return (A = (Arrival_Time => Default_Time, -- Check "=" operator
|
|
|
146 Display_On => Null_Device)); -- availability.
|
|
|
147 end Initial_Values_Okay; -- Aggregate with
|
|
|
148 -- named associations.
|
|
|
149
|
|
|
150 function Bad_Final_Values (A : in Alert_Type) return Boolean is
|
|
|
151 begin
|
|
|
152 return (A /= (Alert_Time, Null_Device)); -- Check "/=" operator
|
|
|
153 -- availability.
|
|
|
154 end Bad_Final_Values; -- Aggregate with
|
|
|
155 -- positional assoc.
|
|
|
156
|
|
|
157 end C3900050;
|
