1-- CE3602A.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 GET FOR CHARACTERS AND STRINGS ALLOW A STRING TO SPAN
27--     OVER MORE THAN ONE LINE, SKIPPING INTERVENING LINE AND PAGE
28--     TERMINATORS.  ALSO CHECK THAT GET ACCEPTS A NULL STRING ACTUAL
29--     PARAMETER AND A STRING SLICE.
30
31-- APPLICABILITY CRITERIA:
32--     THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT
33--     TEXT FILES.
34
35-- HISTORY:
36--     SPS 08/30/82
37--     VKG 01/26/83
38--     JBG 02/22/84  CHANGED TO .ADA TEST
39--     RJW 11/04/86  REVISED TEST TO OUTPUT A NOT_APPLICABLE
40--                   RESULT WHEN FILES ARE NOT SUPPORTED.
41--     JLH 09/04/87  REMOVED DEPENDENCE ON RESET, CORRECTED EXCEPTION
42--                   HANDLING, AND ADDED NEW CASES FOR OBJECTIVE.
43
44
45WITH REPORT;
46USE REPORT;
47WITH TEXT_IO;
48USE TEXT_IO;
49
50PROCEDURE CE3602A IS
51     INCOMPLETE : EXCEPTION;
52
53BEGIN
54
55     TEST ("CE3602A", "CHECK THAT GET FOR CHARACTERS AND STRINGS " &
56                      "ALLOWS A STRING TO SPAN OVER MORE THAN ONE " &
57                      "LINE, SKIPPING INTERVENING LINE AND PAGE " &
58                      "TERMINATORS.  ALSO CHECK THAT GET ACCEPTS " &
59                      "A NULL STRING ACTUAL PARAMETER AND A STRING " &
60                      "SLICE");
61
62     DECLARE
63          FILE1 : FILE_TYPE;
64          ST : STRING (1 .. 40);
65          STR: STRING (1 .. 100);
66          NST: STRING (1 .. 0);
67          ORIGINAL_LINE_LENGTH : COUNT;
68
69-- READ_CHARS RETURNS A STRING OF N CHARACTERS FROM A GIVEN FILE.
70
71          FUNCTION READ_CHARS (FILE : FILE_TYPE;
72                               N    : NATURAL )
73                               RETURN STRING IS
74          C: CHARACTER;
75          BEGIN
76               IF N = 0 THEN RETURN "";
77               ELSE
78                    GET (FILE,C);
79                    RETURN C&READ_CHARS (FILE,N-1);
80               END IF;
81          EXCEPTION
82               WHEN OTHERS =>
83                    FAILED ("ERROR ON READ_CHARS");
84          END READ_CHARS;
85
86
87     BEGIN
88
89-- CREATE AND INITIALIZE TEST DATA FILE
90
91          BEGIN
92               CREATE (FILE1, OUT_FILE, LEGAL_FILE_NAME);
93          EXCEPTION
94               WHEN USE_ERROR =>
95                    NOT_APPLICABLE ("USE_ERROR RAISED ON TEXT CREATE " &
96                                    "WITH OUT_FILE MODE");
97                    RAISE INCOMPLETE;
98               WHEN NAME_ERROR =>
99                    NOT_APPLICABLE ("NAME_ERROR RAISED ON TEXT " &
100                                    "CREATE WITH OUT_FILE MODE");
101                    RAISE INCOMPLETE;
102               WHEN OTHERS =>
103                    FAILED ("UNEXPECTED EXCEPTION RAISED ON " &
104                            "TEXT CREATE");
105                    RAISE INCOMPLETE;
106          END;
107
108          ORIGINAL_LINE_LENGTH := LINE_LENGTH;
109
110-- LINE_LENGTH SET IN CASE IMPLEMENTATION REQUIRES BOUNDED LENGTH LINES
111
112          SET_LINE_LENGTH (16);
113          PUT (FILE1, "THIS LINE SHALL ");
114          SET_LINE_LENGTH (10);
115          PUT (FILE1, "SPAN OVER ");
116          SET_LINE_LENGTH (14);
117          PUT (FILE1, "SEVERAL LINES.");
118          CLOSE (FILE1);
119          SET_LINE_LENGTH (ORIGINAL_LINE_LENGTH);
120
121
122-- BEGIN TEST
123
124          BEGIN
125
126               BEGIN
127                    OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
128               EXCEPTION
129                    WHEN USE_ERROR =>
130                         NOT_APPLICABLE ("USE_ERROR RAISED ON TEXT " &
131                                         "OPEN WITH IN_FILE MODE - 1");
132                         RAISE INCOMPLETE;
133               END;
134
135               STR(1..40) := READ_CHARS (FILE1, 40);
136               CLOSE (FILE1);
137
138               OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
139
140               GET (FILE1, ST);
141               IF STR(1..40) /= ST THEN
142                    FAILED ("GET FOR STRING INCORRECT");
143               END IF;
144
145               IF STR(1..40) /= "THIS LINE SHALL SPAN OVER SEVERAL " &
146                                "LINES." THEN
147                    FAILED ("INCORRECT VALUE READ");
148               END IF;
149
150-- GET NULL STRING
151
152               CLOSE (FILE1);
153
154               OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
155
156               BEGIN
157                    GET (FILE1, NST);
158               EXCEPTION
159                    WHEN OTHERS =>
160                         FAILED (" GET FAILED ON NULL STRING");
161               END;
162
163-- GET NULL SLICE
164
165               BEGIN
166                    GET (FILE1, STR (10 .. 1));
167               EXCEPTION
168                    WHEN OTHERS =>
169                         FAILED ("GET FAILED ON A NULL SLICE");
170               END;
171
172               BEGIN
173                    DELETE (FILE1);
174               EXCEPTION
175                    WHEN USE_ERROR =>
176                         NULL;
177               END;
178
179          END;
180
181     EXCEPTION
182          WHEN INCOMPLETE =>
183               NULL;
184
185     END;
186
187     RESULT;
188
189END CE3602A;
190