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/* Testing of long double conversions in argp.h functions.
Copyright (C) 2018-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <argp.h>
#include <string.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
static const struct argp_option
options[] =
{
{ "error", 'e', "format", OPTION_ARG_OPTIONAL,
"Run argp_error function with a format string", 0 },
{ "failure", 'f', "format", OPTION_ARG_OPTIONAL,
"Run argp_failure function with a format string", 0 },
{ NULL, 0, NULL, 0, NULL }
};
static error_t
parser (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'e':
argp_error (state, "%Lf%f%Lf%f", (long double) -1, (double) -2,
(long double) -3, (double) -4);
break;
case 'f':
argp_failure (state, 0, 0, "%Lf%f%Lf%f", (long double) -1,
(double) -2, (long double) -3, (double) -4);
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp
argp =
{
options, parser
};
int argc = 2;
char *argv[3] = { (char *) "test-argp", NULL, NULL };
static void
do_test_call (void)
{
int remaining;
argp_parse (&argp, argc, argv, 0, &remaining, NULL);
}
static int
do_one_test (const char *expected)
{
struct support_capture_subprocess result;
result = support_capture_subprocess ((void *) &do_test_call, NULL);
TEST_COMPARE_STRING (result.err.buffer, expected);
return 0;
}
static int
do_test (void)
{
const char *param_error = "--error";
const char *expected_error =
"test-argp: -1.000000-2.000000-3.000000-4.000000\n"
"Try `test-argp --help' or `test-argp --usage' for more information.\n";
const char *param_failure = "--failure";
const char *expected_failure =
"test-argp: -1.000000-2.000000-3.000000-4.000000\n";
argv[1] = (char *) param_error;
do_one_test (expected_error);
argv[1] = (char *) param_failure;
do_one_test (expected_failure);
return 0;
}
#include <support/test-driver.c>
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