glibc/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c
Gabriel F. T. Gomes 5bbbd5ae05 ldbl-128ibm-compat: Test double values
A single format string can take double and long double parameters at the
same time.  Internally, these parameters are routed to the same
function, which correctly reads them and calls the underlying functions
responsible for the actual conversion to string.  This patch adds a new
case to test this scenario.

Tested for powerpc64le.

Reviewed-By: Paul E. Murphy <murphyp@linux.ibm.com>
2019-11-22 18:12:37 -03:00

114 lines
3.3 KiB
C

/* Test for the long double variants of *w*printf functions.
Copyright (C) 2019 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
<http://www.gnu.org/licenses/>. */
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <wchar.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
static void
do_test_call_varg (FILE *stream, const wchar_t *format, ...)
{
wchar_t string[128];
va_list args;
wprintf (L"%15Ls", L"vfwprintf: ");
va_start (args, format);
vfwprintf (stream, format, args);
va_end (args);
wprintf (L"\n");
wprintf (L"%15Ls", L"vswprintf: ");
va_start (args, format);
vswprintf (string, 127, format, args);
va_end (args);
wprintf (L"%Ls", string);
wprintf (L"\n");
wprintf (L"%15Ls", L"vwprintf: ");
va_start (args, format);
vwprintf (format, args);
va_end (args);
wprintf (L"\n");
}
static void
do_test_call_rarg (FILE *stream, const wchar_t *format, long double ld,
double d)
{
wchar_t string[128];
wprintf (L"%15Ls", L"fwprintf: ");
fwprintf (stream, format, ld, d);
wprintf (L"\n");
wprintf (L"%15Ls", L"swprintf: ");
swprintf (string, 127, format, ld, d);
wprintf (L"%Ls", string);
wprintf (L"\n");
wprintf (L"%15Ls", L"wprintf: ");
wprintf (format, ld, d);
wprintf (L"\n");
}
static void
do_test_call (void)
{
long double ld = -1;
double d = -1;
/* Print in decimal notation. */
do_test_call_rarg (stdout, L"%.10Lf, %.10f", ld, d);
do_test_call_varg (stdout, L"%.10Lf, %.10f", ld, d);
/* Print in hexadecimal notation. */
do_test_call_rarg (stdout, L"%.10La, %.10a", ld, d);
do_test_call_varg (stdout, L"%.10La, %.10a", ld, d);
}
static int
do_test (void)
{
struct support_capture_subprocess result;
result = support_capture_subprocess ((void *) &do_test_call, NULL);
/* Compare against the expected output. */
const char *expected =
" fwprintf: -1.0000000000, -1.0000000000\n"
" swprintf: -1.0000000000, -1.0000000000\n"
" wprintf: -1.0000000000, -1.0000000000\n"
" vfwprintf: -1.0000000000, -1.0000000000\n"
" vswprintf: -1.0000000000, -1.0000000000\n"
" vwprintf: -1.0000000000, -1.0000000000\n"
" fwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
" swprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
" wprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
" vfwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
" vswprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n"
" vwprintf: -0x1.0000000000p+0, -0x1.0000000000p+0\n";
TEST_COMPARE_STRING (expected, result.out.buffer);
return 0;
}
#include <support/test-driver.c>