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Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c b/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c new file mode 100644 index 0000000000..71edfec235 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm-compat/test-wprintf-ldbl-compat.c @@ -0,0 +1,111 @@ +/* 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) +{ + wchar_t string[128]; + + wprintf (L"%15Ls", L"fwprintf: "); + fwprintf (stream, format, ld); + wprintf (L"\n"); + + wprintf (L"%15Ls", L"swprintf: "); + swprintf (string, 127, format, ld); + wprintf (L"%Ls", string); + wprintf (L"\n"); + + wprintf (L"%15Ls", L"wprintf: "); + wprintf (format, ld); + wprintf (L"\n"); +} + +static void +do_test_call (void) +{ + long double ld = -1; + + /* Print in decimal notation. */ + do_test_call_rarg (stdout, L"%.10Lf", ld); + do_test_call_varg (stdout, L"%.10Lf", ld); + + /* Print in hexadecimal notation. */ + do_test_call_rarg (stdout, L"%.10La", ld); + do_test_call_varg (stdout, L"%.10La", ld); +} + +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\n" + " swprintf: -1.0000000000\n" + " wprintf: -1.0000000000\n" + " vfwprintf: -1.0000000000\n" + " vswprintf: -1.0000000000\n" + " vwprintf: -1.0000000000\n" + " fwprintf: -0x1.0000000000p+0\n" + " swprintf: -0x1.0000000000p+0\n" + " wprintf: -0x1.0000000000p+0\n" + " vfwprintf: -0x1.0000000000p+0\n" + " vswprintf: -0x1.0000000000p+0\n" + " vwprintf: -0x1.0000000000p+0\n"; + TEST_COMPARE_STRING (expected, result.out.buffer); + + return 0; +} + +#include <support/test-driver.c> |