|
111
|
1 -- C96001A.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 A DELAY STATEMENT DELAYS EXECUTION FOR AT LEAST THE
|
|
|
27 -- SPECIFIED TIME. SPECIFICALLY,
|
|
|
28 -- (A) POSITIVE DELAY ARGUMENT.
|
|
|
29 -- (B) NEGATIVE DELAY ARGUMENT.
|
|
|
30 -- (C) ZERO DELAY ARGUMENT.
|
|
|
31 -- (D) DURATION'SMALL DELAY ARGUMENT.
|
|
|
32 -- (E) EXPRESSION OF TYPE DURATION AS DELAY ARGUMENT.
|
|
|
33
|
|
|
34 -- HISTORY:
|
|
|
35 -- CPP 8/14/84 CREATED ORIGINAL TEST.
|
|
|
36 -- RJW 11/13/87 ADDED CODE WHICH ALLOWS TEST TO REPORT "PASSED"
|
|
|
37 -- IF TICK > DURATION'SMALL.
|
|
|
38
|
|
|
39 with Impdef;
|
|
|
40 WITH CALENDAR; USE CALENDAR;
|
|
|
41 WITH SYSTEM; USE SYSTEM;
|
|
|
42 WITH REPORT; USE REPORT;
|
|
|
43 PROCEDURE C96001A IS
|
|
|
44
|
|
|
45 SUBTYPE INT IS INTEGER RANGE 0 .. 20_000;
|
|
|
46
|
|
|
47 BEGIN
|
|
|
48 TEST ("C96001A", "CHECK THAT DELAY STATEMENT DELAYS " &
|
|
|
49 "EXECUTION FOR AT LEAST THE SPECIFIED TIME");
|
|
|
50
|
|
|
51 ---------------------------------------------
|
|
|
52
|
|
|
53 DECLARE -- (A)
|
|
|
54 X : DURATION := 5.0 * Impdef.One_Second;
|
|
|
55 OLD_TIME : TIME;
|
|
|
56 LAPSE : DURATION;
|
|
|
57 BEGIN -- (A)
|
|
|
58 LOOP
|
|
|
59 OLD_TIME := CLOCK;
|
|
|
60 DELAY X;
|
|
|
61 LAPSE := CLOCK - OLD_TIME;
|
|
|
62 EXIT;
|
|
|
63 END LOOP;
|
|
|
64 IF LAPSE < X THEN
|
|
|
65 FAILED ("DELAY DID NOT LAPSE AT LEAST 5.0 " &
|
|
|
66 "SECONDS - (A)");
|
|
|
67 END IF;
|
|
|
68 EXCEPTION
|
|
|
69 WHEN OTHERS =>
|
|
|
70 FAILED ("EXCEPTION RAISED - (A)");
|
|
|
71 END;
|
|
|
72
|
|
|
73 ---------------------------------------------
|
|
|
74
|
|
|
75 DECLARE -- (B)
|
|
|
76 OLD_TIME : TIME;
|
|
|
77 LAPSE : DURATION;
|
|
|
78 BEGIN -- (B)
|
|
|
79 LOOP
|
|
|
80 OLD_TIME := CLOCK;
|
|
|
81 DELAY -5.0;
|
|
|
82 LAPSE := CLOCK - OLD_TIME;
|
|
|
83 EXIT;
|
|
|
84 END LOOP;
|
|
|
85 COMMENT ("(B) - NEGATIVE DELAY LAPSED FOR " &
|
|
|
86 INT'IMAGE (INT (LAPSE * 1_000)) & " MILLISECONDS");
|
|
|
87 EXCEPTION
|
|
|
88 WHEN OTHERS =>
|
|
|
89 FAILED ("EXCEPTION RAISED - (B)");
|
|
|
90 END;
|
|
|
91
|
|
|
92 ---------------------------------------------
|
|
|
93
|
|
|
94 DECLARE -- (C)
|
|
|
95 X : DURATION := 0.0;
|
|
|
96 OLD_TIME : TIME;
|
|
|
97 LAPSE : DURATION;
|
|
|
98 BEGIN -- (C)
|
|
|
99 LOOP
|
|
|
100 OLD_TIME := CLOCK;
|
|
|
101 DELAY X;
|
|
|
102 LAPSE := CLOCK - OLD_TIME;
|
|
|
103 EXIT;
|
|
|
104 END LOOP;
|
|
|
105 COMMENT ("(C) - ZERO DELAY LAPSED FOR " &
|
|
|
106 INT'IMAGE (INT (LAPSE * 1_000)) & " MILLISECONDS");
|
|
|
107 EXCEPTION
|
|
|
108 WHEN OTHERS =>
|
|
|
109 FAILED ("EXCEPTION RAISED - (C)");
|
|
|
110 END;
|
|
|
111
|
|
|
112 ---------------------------------------------
|
|
|
113
|
|
|
114 DECLARE -- (D)
|
|
|
115 X : DURATION := DURATION'SMALL;
|
|
|
116 OLD_TIME : TIME;
|
|
|
117 LAPSE : DURATION;
|
|
|
118 BEGIN -- (D)
|
|
|
119 LOOP
|
|
|
120 OLD_TIME := CLOCK;
|
|
|
121 DELAY X;
|
|
|
122 LAPSE := CLOCK - OLD_TIME;
|
|
|
123 EXIT;
|
|
|
124 END LOOP;
|
|
|
125 IF LAPSE < X THEN
|
|
|
126 IF TICK < DURATION'SMALL THEN
|
|
|
127 FAILED ("DELAY DID NOT LAPSE AT LEAST " &
|
|
|
128 "DURATION'SMALL SECONDS - (D)");
|
|
|
129 ELSE
|
|
|
130 COMMENT ("TICK > DURATION'SMALL SO DELAY IN " &
|
|
|
131 "'(D)' IS NOT MEASURABLE");
|
|
|
132 END IF;
|
|
|
133 END IF;
|
|
|
134 EXCEPTION
|
|
|
135 WHEN OTHERS =>
|
|
|
136 FAILED ("EXCEPTION RAISED - (D)");
|
|
|
137 END;
|
|
|
138
|
|
|
139 ---------------------------------------------
|
|
|
140
|
|
|
141 DECLARE -- (E)
|
|
|
142 INC1 : DURATION := 2.0 * Impdef.One_Second;
|
|
|
143 INC2 : DURATION := 3.0 * Impdef.One_Second;
|
|
|
144 OLD_TIME : TIME;
|
|
|
145 LAPSE : DURATION;
|
|
|
146 BEGIN -- (E)
|
|
|
147 LOOP
|
|
|
148 OLD_TIME := CLOCK;
|
|
|
149 DELAY INC1 + INC2;
|
|
|
150 LAPSE := CLOCK - OLD_TIME;
|
|
|
151 EXIT;
|
|
|
152 END LOOP;
|
|
|
153 IF LAPSE < (INC1 + INC2) THEN
|
|
|
154 FAILED ("DELAY DID NOT LAPSE AT LEAST " &
|
|
|
155 "INC1 + INC2 SECONDS - (E)");
|
|
|
156 END IF;
|
|
|
157 EXCEPTION
|
|
|
158 WHEN OTHERS =>
|
|
|
159 FAILED ("EXCEPTION RAISED - (E)");
|
|
|
160 END;
|
|
|
161
|
|
|
162 RESULT;
|
|
|
163 END C96001A;
|
