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489 lines
10 KiB
C
489 lines
10 KiB
C
/* Test suite for argp.
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Copyright (C) 2006-2007, 2009-2017 Free Software Foundation, Inc.
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This file is part of the GNUlib Library.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include "argp.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if HAVE_STRINGS_H
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# include <strings.h>
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#endif
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struct test_args
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{
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int test;
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int verbose;
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char *file;
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int read;
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char *hidden;
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int opt;
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char *optional;
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int optional_set;
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int group_2_1_option;
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int group_1_1_option;
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};
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static struct argp_option group1_option[] = {
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{ NULL, 0, NULL, 0, "Option Group 1", 0 },
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{ "verbose", 'v', NULL, 0, "Simple option without arguments", 1 },
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{ "file", 'f', "FILE", 0, "Option with a mandatory argument", 1 },
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{ "input", 0, NULL, OPTION_ALIAS, NULL, 1 },
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{ "read", 'r', NULL, OPTION_ALIAS, NULL, 1 },
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{ "hidden", 'H', "FILE", OPTION_HIDDEN, "Hidden option", 1 },
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{ NULL, 0, NULL, 0, NULL, 0 }
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};
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static error_t
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group1_parser (int key, char *arg, struct argp_state *state)
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{
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struct test_args *args = state->input;
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switch (key)
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{
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case 'v':
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args->verbose++;
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break;
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case 'r':
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args->read = 1;
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/* fall through */
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case 'f':
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args->file = arg;
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break;
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case 'H':
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args->hidden = arg;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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struct argp group1_argp = {
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group1_option,
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group1_parser
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};
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struct argp_child group1_child = {
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&group1_argp,
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0,
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"",
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1
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};
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static struct argp_option group1_1_option[] = {
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{ NULL, 0, NULL, 0, "Option Group 1.1", 0 },
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{ "cantiga", 'C', NULL, 0, "create a cantiga" },
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{ "sonet", 'S', NULL, 0, "create a sonet" },
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{ NULL, 0, NULL, 0, NULL, 0 }
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};
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static error_t
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group1_1_parser (int key, char *arg, struct argp_state *state)
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{
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struct test_args *args = state->input;
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switch (key)
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{
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case 'C':
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case 'S':
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args->group_1_1_option = key;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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struct argp group1_1_argp = {
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group1_1_option,
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group1_1_parser
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};
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struct argp_child group1_1_child = {
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&group1_1_argp,
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0,
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"",
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2
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};
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static struct argp_option group2_option[] = {
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{ NULL, 0, NULL, 0, "Option Group 2", 0 },
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{ "option", 'O', NULL, 0, "An option", 1 },
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{ "optional", 'o', "ARG", OPTION_ARG_OPTIONAL,
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"Option with an optional argument. ARG is one of the following:", 2 },
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{ "one", 0, NULL, OPTION_DOC | OPTION_NO_TRANS, "one unit", 3 },
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{ "two", 0, NULL, OPTION_DOC | OPTION_NO_TRANS, "two units", 3 },
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{ "many", 0, NULL, OPTION_DOC | OPTION_NO_TRANS, "many units", 3 },
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{ NULL, 0, NULL, 0, NULL, 0 }
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};
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static error_t
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group2_parser (int key, char *arg, struct argp_state *state)
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{
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struct test_args *args = state->input;
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switch (key)
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{
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case 'O':
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args->opt = 1;
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break;
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case 'o':
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args->optional_set = 1;
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args->optional = arg;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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struct argp group2_argp = {
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group2_option,
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group2_parser
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};
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struct argp_child group2_child = {
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&group2_argp,
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0,
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"",
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2
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};
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static struct argp_option group2_1_option[] = {
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{ NULL, 0, NULL, 0, "Option Group 2.1", 0 },
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{ "poem", 'p', NULL, 0, "create a poem" },
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{ "limerick", 'l', NULL, 0, "create a limerick" },
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{ NULL, 0, NULL, 0, NULL, 0 }
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};
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static error_t
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group2_1_parser (int key, char *arg, struct argp_state *state)
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{
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struct test_args *args = state->input;
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switch (key)
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{
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case 'p':
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case 'e':
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args->group_2_1_option = key;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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struct argp group2_1_argp = {
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group2_1_option,
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group2_1_parser
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};
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struct argp_child group2_1_child = {
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&group2_1_argp,
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0,
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"",
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2
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};
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static struct argp_option main_options[] = {
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{ NULL, 0, NULL, 0, "Main options", 0 },
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{ "test", 't', NULL, 0, NULL, 1 },
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{ NULL, 0, NULL, 0, NULL, 0 }
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};
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static error_t
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parse_opt (int key, char *arg, struct argp_state *state)
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{
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struct test_args *args = state->input;
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int i;
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switch (key)
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{
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case ARGP_KEY_INIT:
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for (i = 0; state->root_argp->children[i].argp; i++)
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state->child_inputs[i] = args;
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break;
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case 't':
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args->test = 1;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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const char *argp_program_version = "test_argp (" PACKAGE_NAME ") " VERSION;
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const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">";
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static char doc[] = "documentation string";
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struct argp test_argp = {
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main_options,
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parse_opt,
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"ARGS...",
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doc,
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NULL,
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NULL,
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NULL
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};
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#define NARGS(a) (sizeof(a) / sizeof((a)[0]) - 1)
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#define ARGV0 "test-argp"
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#define init_args(a) memset (&(a), 0, sizeof (a));
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#define INIT_TEST_COMMON(n) \
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int argc = NARGS (argv); \
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struct test_args test_args; \
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init_args (test_args); \
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test_number = n;
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#define INIT_TEST1(n, arg1) \
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char *argv[] = { ARGV0, arg1, NULL }; \
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INIT_TEST_COMMON (n)
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#define INIT_TEST2(n, arg1, arg2) \
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char *argv[] = { ARGV0, arg1, arg2, NULL }; \
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INIT_TEST_COMMON (n)
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#define INIT_TEST3(n, arg1, arg2, arg3) \
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char *argv[] = { ARGV0, arg1, arg2, arg3, NULL }; \
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INIT_TEST_COMMON (n)
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int test_number;
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unsigned failure_count = 0;
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void
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fail (const char *msg)
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{
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fprintf (stderr, "Test %d: %s\n", test_number, msg);
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failure_count++;
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}
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void
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test1 (struct argp *argp)
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{
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INIT_TEST1 (1, "--test");
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if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
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fail ("argp_parse failed");
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else if (test_args.test != 1)
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fail ("option not processed");
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}
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void
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test2 (struct argp *argp)
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{
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INIT_TEST1 (2, "-t");
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if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
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fail ("argp_parse failed");
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else if (test_args.test != 1)
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fail ("option not processed");
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}
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void
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test_file (struct argp *argp, int argc, char **argv, struct test_args *args)
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{
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if (argp_parse (argp, argc, argv, 0, NULL, args))
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fail ("argp_parse failed");
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else if (!args->file)
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fail ("option not processed");
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else if (strcmp (args->file, "FILE"))
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fail ("option processed incorrectly");
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}
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void
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test3 (struct argp *argp)
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{
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INIT_TEST1 (3, "--file=FILE");
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test_file (argp, argc, argv, &test_args);
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}
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void
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test4 (struct argp *argp)
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{
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INIT_TEST2 (4, "--file", "FILE");
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test_file (argp, argc, argv, &test_args);
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}
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void
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test5 (struct argp *argp)
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{
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INIT_TEST1 (5, "--input=FILE");
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test_file (argp, argc, argv, &test_args);
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}
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void
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test6 (struct argp *argp)
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{
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INIT_TEST2 (6, "--input", "FILE");
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test_file (argp, argc, argv, &test_args);
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}
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void
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test_optional (struct argp *argp, int argc, char **argv,
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struct test_args *args, const char *val, const char *a)
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{
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int index;
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if (argp_parse (argp, argc, argv, 0, &index, args))
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fail ("argp_parse failed");
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else if (!args->optional_set)
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fail ("option not processed");
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if (!val)
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{
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if (args->optional)
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fail ("option processed incorrectly");
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}
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else if (strcmp (args->optional, val))
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fail ("option processed incorrectly");
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if (a)
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{
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if (index == argc)
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fail ("expected command line argument not found");
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else if (strcmp (argv[index], a))
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fail ("expected command line argument does not match");
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}
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}
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void
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test7 (struct argp *argp)
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{
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INIT_TEST1 (7, "-oARG");
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test_optional (argp, argc, argv, &test_args, "ARG", NULL);
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}
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void
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test8 (struct argp *argp)
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{
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INIT_TEST2 (8, "-o", "ARG");
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test_optional (argp, argc, argv, &test_args, NULL, "ARG");
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}
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void
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test9 (struct argp *argp)
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{
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INIT_TEST1 (9, "--optional=ARG");
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test_optional (argp, argc, argv, &test_args, "ARG", NULL);
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}
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void
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test10 (struct argp *argp)
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{
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INIT_TEST2 (10, "--optional", "ARG");
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test_optional (argp, argc, argv, &test_args, NULL, "ARG");
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}
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void
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test11 (struct argp *argp)
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{
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INIT_TEST1 (11, "--optiona=ARG");
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test_optional (argp, argc, argv, &test_args, "ARG", NULL);
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}
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void
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test12 (struct argp *argp)
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{
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INIT_TEST3 (12, "--option", "--optional=OPT", "FILE");
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test_optional (argp, argc, argv, &test_args, "OPT", "FILE");
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}
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void
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test13 (struct argp *argp)
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{
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INIT_TEST1 (1, "--cantiga");
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if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
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fail ("argp_parse failed");
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else if (test_args.group_1_1_option != 'C')
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fail ("option not processed");
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}
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void
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test14 (struct argp *argp)
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{
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INIT_TEST1 (1, "--limerick");
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if (argp_parse (argp, argc, argv, 0, NULL, &test_args))
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fail ("argp_parse failed");
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else if (test_args.group_2_1_option != 'l')
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fail ("option not processed");
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}
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void
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test15 (struct argp *argp)
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{
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INIT_TEST2 (1, "-r", "FILE");
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test_file (argp, argc, argv, &test_args);
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if (!test_args.read)
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fail ("short alias not recognized properly");
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}
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typedef void (*test_fp) (struct argp *argp);
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test_fp test_fun[] = {
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test1, test2, test3, test4,
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test5, test6, test7, test8,
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test9, test10, test11, test12,
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test13, test14, test15,
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NULL
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};
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int
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main (int argc, char **argv)
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{
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struct argp_child argp_children[3], group1_children[2], group2_children[2];
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test_fp *fun;
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group1_children[0] = group1_1_child;
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group1_children[1].argp = NULL;
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group1_argp.children = group1_children;
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group2_children[0] = group2_1_child;
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group2_children[1].argp = NULL;
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group2_argp.children = group2_children;
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argp_children[0] = group1_child;
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argp_children[1] = group2_child;
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argp_children[2].argp = NULL;
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test_argp.children = argp_children;
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if (argc > 0)
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{
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struct test_args test_args;
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init_args (test_args);
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return argp_parse (&test_argp, argc, argv, 0, NULL, &test_args);
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}
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for (fun = test_fun; *fun; fun++)
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(*fun) (&test_argp);
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if (failure_count)
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return 1;
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return 0;
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}
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