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/* Test for the long double conversions in *err* functions.
Copyright (C) 2018-2021 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 <err.h>
#include <errno.h>
#include <error.h>
#include <stdarg.h>
#include <string.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
struct tests
{
void *callback;
const char *expected;
};
va_list args;
static void
callback_err (void *closure)
{
errno = 0;
err (0, "%Lf", (long double) -1);
}
static void
callback_errx (void *closure)
{
errno = 0;
errx (0, "%Lf", (long double) -1);
}
static void
callback_verr (void *closure)
{
errno = 0;
verr (0, "%Lf", args);
}
static void
callback_verrx (void *closure)
{
errno = 0;
verrx (0, "%Lf", args);
}
static void
callback_error (void *closure)
{
errno = 0;
error (0, 0, "%Lf", (long double) -1);
}
static void
callback_error_at_line (void *closure)
{
errno = 0;
error_at_line (0, 0, "", 0, "%Lf", (long double) -1);
}
static void
do_one_test (void *callback, const char *expected, ...)
{
struct support_capture_subprocess result;
va_start (args, expected);
/* Call 'callback', which fills in the output and error buffers. */
result = support_capture_subprocess (callback, NULL);
/* Filter out the name of the program (which should always end with
-error), so that the test case can be reused by ldbl-opt and
ldbl-128ibm-compat. */
const char *needle = "-error:";
char *message;
message = strstr (result.err.buffer, needle);
if (message == NULL)
FAIL_EXIT1 ("test case error");
message += strlen (needle);
/* Verify that the output message is as expected. */
TEST_COMPARE_STRING (message, expected);
va_end (args);
}
static int
do_test (void)
{
struct tests tests[] = {
{ &callback_err, " -1.000000: Success\n" },
{ &callback_errx, " -1.000000\n" },
{ &callback_verr, " -1.000000: Success\n" },
{ &callback_verrx, " -1.000000\n" },
{ &callback_error, " -1.000000\n" },
{ &callback_error_at_line, ":0: -1.000000\n" }
};
for (int i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
{
do_one_test (tests[i].callback, tests[i].expected, (long double) -1);
}
return 0;
}
#include <support/test-driver.c>
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