1-- C58006B.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-- CHECK THAT IF THE EVALUATION OF A RETURN STATEMENT'S EXPRESSION
26-- RAISES AN EXCEPTION, THE EXCEPTION CAN BE HANDLED WITHIN THE BODY OF
27-- THE FUNCTION.
28
29-- CHECKS GENERIC FUNCTIONS.
30
31-- SPS 3/8/83
32-- JBG 9/13/83
33
34WITH REPORT;
35PROCEDURE  C58006B  IS
36
37     USE  REPORT;
38
39BEGIN
40
41     TEST( "C58006B" , "CHECK THAT EXCEPTION RAISED BY A RETURN" &
42                       " STATEMENT CAN BE HANDLED LOCALLY" );
43
44
45     DECLARE
46          SUBTYPE I1 IS INTEGER RANGE -10..90;
47          SUBTYPE I2 IS INTEGER RANGE 1..10;
48
49          GENERIC
50          FUNCTION FN1 (X : I1) RETURN I2;
51
52          GENERIC
53          FUNCTION FN2 (X : I1) RETURN I2;
54
55          GENERIC
56          FUNCTION FN3 (X : I1) RETURN I2;
57
58          FUNCTION  FN1( X : I1 )
59                    RETURN  I2  IS
60          BEGIN
61               RETURN  0;
62          EXCEPTION
63               WHEN CONSTRAINT_ERROR =>
64                    COMMENT ("EXCEPTION RAISED - F1");
65                    RETURN 1;
66               WHEN OTHERS =>
67                    FAILED ("WRONG EXCEPTION RAISED - FN1");
68          END  FN1;
69
70          FUNCTION  FN2( X : I1 )
71                    RETURN  I2  IS
72          BEGIN
73               RETURN  X + IDENT_INT(0);
74          EXCEPTION
75               WHEN CONSTRAINT_ERROR =>
76                    COMMENT ("EXCEPTION RAISED - F2");
77                    RETURN 1;
78               WHEN OTHERS =>
79                    FAILED ("WRONG EXCEPTION RAISED - FN2");
80          END  FN2;
81
82          FUNCTION  FN3( X : I1 )
83                    RETURN  I2  IS
84               HUNDRED : INTEGER RANGE -100..100 := IDENT_INT(100);
85          BEGIN
86               RETURN  HUNDRED;
87          EXCEPTION
88               WHEN CONSTRAINT_ERROR =>
89                    COMMENT ("EXCEPTION RAISED - F3");
90                    RETURN 1;
91               WHEN OTHERS =>
92                    FAILED ("WRONG EXCEPTION RAISED - FN3");
93          END  FN3;
94
95          FUNCTION F1 IS NEW FN1;
96          FUNCTION F2 IS NEW FN2;
97          FUNCTION F3 IS NEW FN3;
98
99     BEGIN
100
101          BEGIN
102               IF F1( 0 ) /= IDENT_INT(1) THEN
103                    FAILED ("NO EXCEPTION RAISED - F1( 0 )");
104               END IF;
105          EXCEPTION
106               WHEN OTHERS =>
107                    FAILED ("EXCEPTION PROPAGATED - F1( 0 )");
108          END;
109
110          BEGIN
111               IF F2( 0 ) /= IDENT_INT(1) THEN
112                    FAILED ("NO EXCEPTION RAISED - F2( 0 )");
113               END IF;
114          EXCEPTION
115               WHEN OTHERS =>
116                    FAILED ("EXCEPTION PROPAGATED - F2( 0 )");
117          END;
118
119          BEGIN
120               IF F2(11 ) /= IDENT_INT(1) THEN
121                    FAILED ("NO EXCEPTION RAISED - F2(11 )");
122               END IF;
123          EXCEPTION
124               WHEN OTHERS =>
125                    FAILED ("EXCEPTION PROPAGATED - F2(11 )");
126          END;
127
128          BEGIN
129               IF F3( 0 ) /= IDENT_INT(1) THEN
130                    FAILED ("NO EXCEPTION RAISED - F3( 0 )");
131               END IF;
132          EXCEPTION
133               WHEN OTHERS =>
134                    FAILED ("EXCEPTION PROPAGATED - F3( 0 )");
135          END;
136
137     END;
138
139     RESULT;
140
141END C58006B;
142