125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/* Test for the long double conversions in *warn* functions.
|
|
Copyright (C) 2018-2022 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 <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <support/check.h>
|
|
#include <support/xmemstream.h>
|
|
|
|
enum {WARN, WARNX, VWARN, VWARNX};
|
|
|
|
static void
|
|
do_one_test (int select, const char *format, va_list args,
|
|
long double arg1, double arg2, long double arg3,
|
|
double arg4, const char *expected)
|
|
{
|
|
/* Prepare in-memory buffer to hold the output. */
|
|
struct xmemstream stream;
|
|
xopen_memstream (&stream);
|
|
FILE *old_stderr = stderr;
|
|
stderr = stream.out;
|
|
|
|
/* Write to the buffer using one of the *warn* functions. */
|
|
errno = 0;
|
|
switch (select)
|
|
{
|
|
case WARN:
|
|
warn (format, arg1, arg2, arg3, arg4);
|
|
break;
|
|
case WARNX:
|
|
warnx (format, arg1, arg2, arg3, arg4);
|
|
break;
|
|
case VWARN:
|
|
vwarn (format, args);
|
|
break;
|
|
case VWARNX:
|
|
vwarnx (format, args);
|
|
break;
|
|
}
|
|
|
|
stderr = old_stderr;
|
|
|
|
/* Close the in-memory stream. */
|
|
xfclose_memstream (&stream);
|
|
|
|
/* Filter out the name of the program (which should always end with
|
|
warn), so that the test case can be reused by ldbl-opt and
|
|
ldbl-128ibm-compat. */
|
|
const char *needle = "warn: ";
|
|
char *message;
|
|
message = strstr (stream.buffer, needle);
|
|
if (message == NULL)
|
|
FAIL_EXIT1 ("test case error");
|
|
message += strlen (needle);
|
|
|
|
/* Check that the rest of the output is as expected. */
|
|
TEST_COMPARE_STRING (message, expected);
|
|
|
|
if (stream.buffer != NULL)
|
|
free (stream.buffer);
|
|
}
|
|
|
|
static void
|
|
do_test_call_varg (const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start (args, format);
|
|
do_one_test (VWARN, format, args, 0, 0, 0, 0,
|
|
"-1.000000 - -2.000000 - -3.000000 - -4.000000: Success\n");
|
|
va_end (args);
|
|
|
|
va_start (args, format);
|
|
do_one_test (VWARNX, format, args, 0, 0, 0, 0,
|
|
"-1.000000 - -2.000000 - -3.000000 - -4.000000\n");
|
|
va_end (args);
|
|
}
|
|
|
|
static void
|
|
do_test_call_rarg (const char *format, long double arg1, double arg2,
|
|
long double arg3, double arg4)
|
|
{
|
|
va_list args;
|
|
memset (&args, 0, sizeof (args));
|
|
do_one_test (WARN, format, args, arg1, arg2, arg3, arg4,
|
|
"-1.000000 - -2.000000 - -3.000000 - -4.000000: Success\n");
|
|
do_one_test (WARNX, format, args, arg1, arg2, arg3, arg4,
|
|
"-1.000000 - -2.000000 - -3.000000 - -4.000000\n");
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
long double arg1 = -1;
|
|
long double arg3 = -3;
|
|
double arg2 = -2;
|
|
double arg4 = -4;
|
|
|
|
do_test_call_rarg ("%Lf - %f - %Lf - %f", arg1, arg2, arg3, arg4);
|
|
do_test_call_varg ("%Lf - %f - %Lf - %f", arg1, arg2, arg3, arg4);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|