1 /* Test suite for argp.
2 Copyright (C) 2006 Free Software Foundation, Inc.
3 This file is part of the GNUlib Library.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
45 static struct argp_option group1_option[] =
47 { NULL, 0, NULL, 0, "Option Group 1", 0},
48 { "verbose", 'v', NULL, 0, "Simple option without arguments", 1 },
49 { "file", 'f', "FILE", 0, "Option with a mandatory argument", 1 },
50 { "input", 0, NULL, OPTION_ALIAS, NULL, 1 },
51 { "hidden", 'H', "FILE", OPTION_HIDDEN, "Hidden option", 1 },
52 { NULL, 0, NULL, 0, NULL, 0 }
56 group1_parser (int key, char *arg, struct argp_state *state)
58 struct test_args *args = state->input;
75 return ARGP_ERR_UNKNOWN;
80 struct argp group1_argp = {
85 struct argp_child group1_child = {
93 static struct argp_option group2_option[] =
95 { NULL, 0, NULL, 0, "Option Group 2", 0},
96 { "option", 'O', NULL, 0, "An option", 1 },
97 { "optional", 'o', "ARG", OPTION_ARG_OPTIONAL,
98 "Option with an optional argument. ARG is one of the following:", 1 },
99 { "one", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, "one unit", 2 },
100 { "two", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, "two units", 2 },
101 { "many", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, "many units", 2 },
102 { NULL, 0, NULL, 0, NULL, 0 }
106 group2_parser (int key, char *arg, struct argp_state *state)
108 struct test_args *args = state->input;
117 args->optional_set = 1;
118 args->optional = arg;
122 return ARGP_ERR_UNKNOWN;
127 struct argp group2_argp = {
132 struct argp_child group2_child = {
139 static struct argp_option main_options[] =
141 { NULL, 0, NULL, 0, "Main options", 0},
142 { "test", 't', NULL, 0, NULL, 1 },
143 { NULL, 0, NULL, 0, NULL, 0 }
147 parse_opt (int key, char *arg, struct argp_state *state)
149 struct test_args *args = state->input;
155 for (i = 0; state->root_argp->children[i].argp; i++)
156 state->child_inputs[i] = args;
164 return ARGP_ERR_UNKNOWN;
169 const char *argp_program_version = "test_argp (" PACKAGE_NAME ") " VERSION;
170 const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
171 static char doc[] = "documentation string";
173 struct argp test_argp = {
183 #define NARGS(a) (sizeof(a) / sizeof((a)[0]) - 1)
184 #define ARGV0 "test-argp"
185 #define init_args(a) memset (&(a), 0, sizeof (a));
187 #define INIT_TEST_COMMON(n) \
188 int argc = NARGS (argv); \
189 struct test_args test_args; \
190 init_args(test_args); \
193 #define INIT_TEST1(n, arg1) \
194 char *argv[] = { ARGV0, arg1, NULL }; \
197 #define INIT_TEST2(n, arg1, arg2) \
198 char *argv[] = { ARGV0, arg1, arg2, NULL }; \
201 #define INIT_TEST3(n, arg1, arg2, arg3) \
202 char *argv[] = { ARGV0, arg1, arg2, arg3, NULL }; \
206 unsigned failure_count = 0;
209 fail(const char *msg)
211 fprintf(stderr, "Test %d: %s\n", test_number, msg);
216 test1(struct argp *argp)
218 INIT_TEST1 (1, "--test");
219 if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
220 fail("argp_parse failed");
221 else if (test_args.test != 1)
222 fail("option not processed");
226 test2(struct argp *argp)
228 INIT_TEST1 (2, "-t");
229 if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
230 fail("argp_parse failed");
231 else if (test_args.test != 1)
232 fail("option not processed");
236 test_file(struct argp *argp, int argc, char **argv, struct test_args *args)
238 if (argp_parse (argp, argc, argv, 0, NULL, args))
239 fail("argp_parse failed");
240 else if (!args->file)
241 fail("option not processed");
242 else if (strcmp (args->file, "FILE"))
243 fail("option processed incorrectly");
247 test3(struct argp *argp)
249 INIT_TEST1 (3, "--file=FILE");
250 test_file (argp, argc, argv, &test_args);
254 test4(struct argp *argp)
256 INIT_TEST2 (4, "--file", "FILE");
257 test_file (argp, argc, argv, &test_args);
261 test5(struct argp *argp)
263 INIT_TEST1 (5, "--input=FILE");
264 test_file (argp, argc, argv, &test_args);
268 test6(struct argp *argp)
270 INIT_TEST2 (6, "--input", "FILE");
271 test_file (argp, argc, argv, &test_args);
275 test_optional(struct argp *argp, int argc, char **argv,
276 struct test_args *args, char *val, char *a)
279 if (argp_parse (argp, argc, argv, 0, &index, args))
280 fail("argp_parse failed");
281 else if (!args->optional_set)
282 fail("option not processed");
287 fail("option processed incorrectly");
289 else if (strcmp (args->optional, val))
290 fail("option processed incorrectly");
295 fail("expected command line argument not found");
296 else if (strcmp(argv[index], a))
297 fail("expected command line argument does not match");
302 test7(struct argp *argp)
304 INIT_TEST1 (7, "-oARG");
305 test_optional(argp, argc, argv, &test_args, "ARG", NULL);
309 test8(struct argp *argp)
311 INIT_TEST2 (8, "-o", "ARG");
312 test_optional(argp, argc, argv, &test_args, NULL, "ARG");
316 test9(struct argp *argp)
318 INIT_TEST1 (9, "--optional=ARG");
319 test_optional(argp, argc, argv, &test_args, "ARG", NULL);
323 test10(struct argp *argp)
325 INIT_TEST2 (10, "--optional", "ARG");
326 test_optional(argp, argc, argv, &test_args, NULL, "ARG");
330 test11(struct argp *argp)
332 INIT_TEST1 (11, "--optiona=ARG");
333 test_optional(argp, argc, argv, &test_args, "ARG", NULL);
337 test12(struct argp *argp)
339 INIT_TEST3 (12, "--option", "--optional=OPT", "FILE");
340 test_optional(argp, argc, argv, &test_args, "OPT", "FILE");
344 typedef void (*test_fp) (struct argp *argp);
346 test_fp test_fun[] = {
347 test1, test2, test3, test4,
348 test5, test6, test7, test8,
349 test9, test10, test11, test12,
354 main (int argc, char **argv)
356 struct argp_child argp_children[3];
359 argp_children[0] = group1_child;
360 argp_children[1] = group2_child;
361 argp_children[2].argp = NULL;
362 test_argp.children = argp_children;
366 struct test_args test_args;
367 init_args(test_args);
368 return argp_parse (&test_argp, argc, argv, 0, NULL, &test_args);
371 for (fun = test_fun; *fun; fun++)