1 /* expandargv test program,
2 Copyright (C) 2006 Free Software Foundation, Inc.
3 Written by Carlos O'Donell <carlos@codesourcery.com>
5 This file is part of the libiberty library, which is part of GCC.
7 This file is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 In addition to the permissions in the GNU General Public License, the
13 Free Software Foundation gives you unlimited permission to link the
14 compiled version of this file into combinations with other programs,
15 and to distribute those combinations without any restriction coming
16 from the use of this file. (The General Public License restrictions
17 do apply in other respects; for example, they cover modification of
18 the file, and distribution when not linked into a combined
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
34 #include "libiberty.h"
45 #define EXIT_SUCCESS 0
49 #define EXIT_FAILURE 1
52 static void fatal_error (int, const char *, int) ATTRIBUTE_NORETURN
;
53 void writeout_test (int, const char *);
54 void run_replaces (char *);
55 void hook_char_replace (char *, size_t, char, char);
56 int run_tests (const char **);
57 void erase_test (int);
59 /* Test input data, argv before, and argv after:
61 The \n is an important part of test_data since expandargv
62 may have to work in environments where \n is translated
63 as \r\n. Thus \n is included in the test data for the file.
65 We use \b to indicate that the test data is the null character.
66 This is because we use \0 normally to represent the end of the
67 file data, so we need something else for this. */
69 #define FILENAME_PATTERN "test-expandargv-%d.lst"
70 #define ARGV0 "test-expandargv"
72 const char *test_data
[] = {
73 /* Test 0 - Check for expansion with \r\n */
74 "a\r\nb", /* Test 0 data */
76 "@test-expandargv-0.lst",
77 0, /* End of argv[] before expansion */
81 0, /* End of argv[] after expansion */
83 /* Test 1 - Check for expansion with \n */
84 "a\nb", /* Test 1 data */
86 "@test-expandargv-1.lst",
93 /* Test 2 - Check for expansion with \0 */
94 "a\bb", /* Test 2 data */
96 "@test-expandargv-2.lst",
102 /* Test 3 - Check for expansion with only \0 */
103 "\b", /* Test 3 data */
105 "@test-expandargv-3.lst",
110 0 /* Test done marker, don't remove. */
113 /* Print a fatal error and exit. LINE is the line number where we
114 detected the error, ERRMSG is the error message to print, and ERR
115 is 0 or an errno value to print. */
118 fatal_error (int line
, const char *errmsg
, int err
)
120 fprintf (stderr
, "test-expandargv:%d: %s", line
, errmsg
);
122 fprintf (stderr
, ": %s", xstrerror (err
));
123 fprintf (stderr
, "\n");
127 /* hook_char_replace:
128 Replace 'replacethis' with 'withthis' */
131 hook_char_replace (char *string
, size_t len
, char replacethis
, char withthis
)
134 for (i
= 0; i
< len
; i
++)
135 if (string
[i
] == replacethis
)
136 string
[i
] = withthis
;
140 Hook here all the character for character replaces.
141 Be warned that expanding the string or contracting the string
142 should be handled with care. */
145 run_replaces (char * string
)
147 /* Store original string size */
148 size_t len
= strlen (string
);
149 hook_char_replace (string
, len
, '\b', '\0');
153 Write test datafile */
156 writeout_test (int test
, const char * test_data
)
163 /* Unique filename per test */
164 sprintf (filename
, FILENAME_PATTERN
, test
);
165 fd
= fopen (filename
, "w");
167 fatal_error (__LINE__
, "Failed to create test file.", errno
);
169 /* Generate RW copy of data for replaces */
170 len
= strlen (test_data
);
171 parse
= malloc (sizeof (char) * (len
+ 1));
173 fatal_error (__LINE__
, "Failed to malloc parse.", errno
);
175 memcpy (parse
, test_data
, sizeof (char) * len
);
176 /* Run all possible replaces */
177 run_replaces (parse
);
179 fwrite (parse
, len
, sizeof (char), fd
);
185 Erase the test file */
188 erase_test (int test
)
191 sprintf (filename
, FILENAME_PATTERN
, test
);
192 if (unlink (filename
) != 0)
193 fatal_error (__LINE__
, "Failed to erase test file.", errno
);
199 Compare argv before and after.
200 Return number of fails */
203 run_tests (const char **test_data
)
205 int argc_after
, argc_before
;
206 char ** argv_before
, ** argv_after
;
207 int i
, j
, k
, fails
, failed
;
210 /* Loop over all the tests */
213 /* Write test data */
214 writeout_test (i
, test_data
[j
++]);
215 /* Copy argv before */
216 argv_before
= dupargv ((char **) &test_data
[j
]);
218 /* Count argc before/after */
221 while (test_data
[j
+ argc_before
])
223 j
+= argc_before
+ 1; /* Skip null */
224 while (test_data
[j
+ argc_after
])
227 /* Copy argv after */
228 argv_after
= dupargv ((char **) &test_data
[j
]);
230 /* Run all possible replaces */
231 for (k
= 0; k
< argc_before
; k
++)
232 run_replaces (argv_before
[k
]);
233 for (k
= 0; k
< argc_after
; k
++)
234 run_replaces (argv_after
[k
]);
236 /* Run test: Expand arguments */
237 expandargv (&argc_before
, &argv_before
);
240 /* Compare size first */
241 if (argc_before
!= argc_after
)
243 printf ("FAIL: test-expandargv-%d. Number of arguments don't match.\n", i
);
246 /* Compare each of the argv's ... */
248 for (k
= 0; k
< argc_after
; k
++)
249 if (strncmp (argv_before
[k
], argv_after
[k
], strlen(argv_after
[k
])) != 0)
251 printf ("FAIL: test-expandargv-%d. Arguments don't match.\n", i
);
256 printf ("PASS: test-expandargv-%d.\n", i
);
260 freeargv (argv_before
);
261 freeargv (argv_after
);
262 /* Advance to next test */
264 /* Erase test file */
273 Check result and exit with appropriate code. */
276 main(int argc
, char **argv
)
279 /* Repeat for all the tests:
280 - Parse data array and write into file.
281 - Run replace hooks before writing to file.
282 - Parse data array and build argv before/after.
283 - Run replace hooks on argv before/after
285 - Compare output of expandargv argv to after argv.
286 - If they compare the same then test passes
288 - Erase test file. */
290 fails
= run_tests (test_data
);
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