--- /dev/null
+/* Test suite for argp.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+ This file is part of the GNUlib Library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#if HAVE_STRING_H
+# include <string.h>
+#endif
+#if HAVE_STRINGS_H
+# include <strings.h>
+#endif
+
+#include "argp.h"
+
+struct test_args
+{
+ int test;
+ int verbose;
+ char *file;
+ char *hidden;
+ int opt;
+ char *optional;
+ int optional_set;
+};
+
+static struct argp_option group1_option[] =
+{
+ { NULL, 0, NULL, 0, "Option Group 1", 0},
+ { "verbose", 'v', NULL, 0, "Simple option without arguments", 1 },
+ { "file", 'f', "FILE", 0, "Option with a mandatory argument", 1 },
+ { "input", 0, NULL, OPTION_ALIAS, NULL, 1 },
+ { "hidden", 'H', "FILE", OPTION_HIDDEN, "Hidden option", 1 },
+ { NULL, 0, NULL, 0, NULL, 0 }
+};
+
+static error_t
+group1_parser (int key, char *arg, struct argp_state *state)
+{
+ struct test_args *args = state->input;
+
+ switch (key)
+ {
+ case 'v':
+ args->verbose++;
+ break;
+
+ case 'f':
+ args->file = arg;
+ break;
+
+ case 'H':
+ args->hidden = arg;
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+struct argp group1_argp = {
+ group1_option,
+ group1_parser
+};
+
+struct argp_child group1_child = {
+ &group1_argp,
+ 0,
+ "",
+ 1
+};
+
+\f
+static struct argp_option group2_option[] =
+{
+ { NULL, 0, NULL, 0, "Option Group 2", 0},
+ { "option", 'O', NULL, 0, "An option", 1 },
+ { "optional", 'o', "ARG", OPTION_ARG_OPTIONAL,
+ "Option with an optional argument. ARG is one of the following:", 1 },
+ { "one", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, "one unit", 2 },
+ { "two", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, "two units", 2 },
+ { "many", 0, NULL, OPTION_DOC|OPTION_NO_TRANS, "many units", 2 },
+ { NULL, 0, NULL, 0, NULL, 0 }
+};
+
+static error_t
+group2_parser (int key, char *arg, struct argp_state *state)
+{
+ struct test_args *args = state->input;
+
+ switch (key)
+ {
+ case 'O':
+ args->opt = 1;
+ break;
+
+ case 'o':
+ args->optional_set = 1;
+ args->optional = arg;
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+struct argp group2_argp = {
+ group2_option,
+ group2_parser
+};
+
+struct argp_child group2_child = {
+ &group2_argp,
+ 0,
+ "",
+ 2
+};
+
+static struct argp_option main_options[] =
+ {
+ { NULL, 0, NULL, 0, "Main options", 0},
+ { "test", 't', NULL, 0, NULL, 1 },
+ { NULL, 0, NULL, 0, NULL, 0 }
+ };
+
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
+{
+ struct test_args *args = state->input;
+ int i;
+
+ switch (key)
+ {
+ case ARGP_KEY_INIT:
+ for (i = 0; state->root_argp->children[i].argp; i++)
+ state->child_inputs[i] = args;
+ break;
+
+ case 't':
+ args->test = 1;
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+const char *argp_program_version = "test_argp (" PACKAGE_NAME ") " VERSION;
+const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
+static char doc[] = "documentation string";
+
+struct argp test_argp = {
+ main_options,
+ parse_opt,
+ "ARGS...",
+ doc,
+ NULL,
+ NULL,
+ NULL
+};
+
+#define NARGS(a) (sizeof(a) / sizeof((a)[0]) - 1)
+#define ARGV0 "test-argp"
+#define init_args(a) memset (&(a), 0, sizeof (a));
+
+#define INIT_TEST_COMMON(n) \
+ int argc = NARGS (argv); \
+ struct test_args test_args; \
+ init_args(test_args); \
+ test_number = n;
+
+#define INIT_TEST1(n, arg1) \
+ char *argv[] = { ARGV0, arg1, NULL }; \
+ INIT_TEST_COMMON(n)
+
+#define INIT_TEST2(n, arg1, arg2) \
+ char *argv[] = { ARGV0, arg1, arg2, NULL }; \
+ INIT_TEST_COMMON(n)
+
+#define INIT_TEST3(n, arg1, arg2, arg3) \
+ char *argv[] = { ARGV0, arg1, arg2, arg3, NULL }; \
+ INIT_TEST_COMMON(n)
+
+int test_number;
+unsigned failure_count = 0;
+
+void
+fail(const char *msg)
+{
+ fprintf(stderr, "Test %d: %s\n", test_number, msg);
+ failure_count++;
+}
+
+void
+test1(struct argp *argp)
+{
+ INIT_TEST1 (1, "--test");
+ if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
+ fail("argp_parse failed");
+ else if (test_args.test != 1)
+ fail("option not processed");
+}
+
+void
+test2(struct argp *argp)
+{
+ INIT_TEST1 (2, "-t");
+ if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
+ fail("argp_parse failed");
+ else if (test_args.test != 1)
+ fail("option not processed");
+}
+
+void
+test_file(struct argp *argp, int argc, char **argv, struct test_args *args)
+{
+ if (argp_parse (argp, argc, argv, 0, NULL, args))
+ fail("argp_parse failed");
+ else if (!args->file)
+ fail("option not processed");
+ else if (strcmp (args->file, "FILE"))
+ fail("option processed incorrectly");
+}
+
+void
+test3(struct argp *argp)
+{
+ INIT_TEST1 (3, "--file=FILE");
+ test_file (argp, argc, argv, &test_args);
+}
+
+void
+test4(struct argp *argp)
+{
+ INIT_TEST2 (4, "--file", "FILE");
+ test_file (argp, argc, argv, &test_args);
+}
+
+void
+test5(struct argp *argp)
+{
+ INIT_TEST1 (5, "--input=FILE");
+ test_file (argp, argc, argv, &test_args);
+}
+
+void
+test6(struct argp *argp)
+{
+ INIT_TEST2 (6, "--input", "FILE");
+ test_file (argp, argc, argv, &test_args);
+}
+
+void
+test_optional(struct argp *argp, int argc, char **argv,
+ struct test_args *args, char *val, char *a)
+{
+ int index;
+ if (argp_parse (argp, argc, argv, 0, &index, args))
+ fail("argp_parse failed");
+ else if (!args->optional_set)
+ fail("option not processed");
+
+ if (!val)
+ {
+ if (args->optional)
+ fail("option processed incorrectly");
+ }
+ else if (strcmp (args->optional, val))
+ fail("option processed incorrectly");
+
+ if (a)
+ {
+ if (index == argc)
+ fail("expected command line argument not found");
+ else if (strcmp(argv[index], a))
+ fail("expected command line argument does not match");
+ }
+}
+
+void
+test7(struct argp *argp)
+{
+ INIT_TEST1 (7, "-oARG");
+ test_optional(argp, argc, argv, &test_args, "ARG", NULL);
+}
+
+void
+test8(struct argp *argp)
+{
+ INIT_TEST2 (8, "-o", "ARG");
+ test_optional(argp, argc, argv, &test_args, NULL, "ARG");
+}
+
+void
+test9(struct argp *argp)
+{
+ INIT_TEST1 (9, "--optional=ARG");
+ test_optional(argp, argc, argv, &test_args, "ARG", NULL);
+}
+
+void
+test10(struct argp *argp)
+{
+ INIT_TEST2 (10, "--optional", "ARG");
+ test_optional(argp, argc, argv, &test_args, NULL, "ARG");
+}
+
+void
+test11(struct argp *argp)
+{
+ INIT_TEST1 (11, "--optiona=ARG");
+ test_optional(argp, argc, argv, &test_args, "ARG", NULL);
+}
+
+void
+test12(struct argp *argp)
+{
+ INIT_TEST3 (12, "--option", "--optional=OPT", "FILE");
+ test_optional(argp, argc, argv, &test_args, "OPT", "FILE");
+}
+
+
+typedef void (*test_fp) (struct argp *argp);
+
+test_fp test_fun[] = {
+ test1, test2, test3, test4,
+ test5, test6, test7, test8,
+ test9, test10, test11, test12,
+ NULL
+};
+
+int
+main (int argc, char **argv)
+{
+ struct argp_child argp_children[3];
+ test_fp *fun;
+
+ argp_children[0] = group1_child;
+ argp_children[1] = group2_child;
+ argp_children[2].argp = NULL;
+ test_argp.children = argp_children;
+
+ if (argc > 0)
+ {
+ struct test_args test_args;
+ init_args(test_args);
+ return argp_parse (&test_argp, argc, argv, 0, NULL, &test_args);
+ }
+
+ for (fun = test_fun; *fun; fun++)
+ (*fun) (&test_argp);
+
+ if (failure_count)
+ return 1;
+
+ return 0;
+}
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