kc3-lang/gnulib/tests/test-vasnwprintf-gnu.c
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Date : 2025-01-01T09:24:36
maint: run 'make update-copyright'
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tests/test-vasnwprintf-gnu.c
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/* Test of POSIX and GNU compatible vasnwprintf() and asnwprintf() functions. Copyright (C) 2007-2025 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2023. */ #include <config.h> #include "vasnwprintf.h" #include <stdarg.h> #include <stdlib.h> #include <string.h> #include <wchar.h> #include "macros.h" static void test_function (wchar_t * (*my_asnwprintf) (wchar_t *, size_t *, const wchar_t *, ...)) { /* Test the support of the 'b' conversion specifier for binary output of integers. */ { /* Zero. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%b %d", 0, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"0 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* A positive number. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* A large positive number. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%b %d", 0xFFFFFFFEU, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"11111111111111111111111111111110 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Width. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L" 11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Width given as argument. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%*b %d", 20, 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L" 11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Negative width given as argument (cf. FLAG_LEFT below). */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%*b %d", -20, 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Precision. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%.20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"00000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Zero precision and a positive number. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%.0b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Zero precision and a zero number. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%.0b %d", 0, 33, 44, 55); ASSERT (result != NULL); /* ISO C and POSIX specify that "The result of converting a zero value with a precision of zero is no characters." */ ASSERT (wcscmp (result, L" 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Width and precision. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%25.20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L" 00000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* Padding and precision. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%025.20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); /* Neither ISO C nor POSIX specify that the '0' flag is ignored when a width and a precision are both present. But implementations do so. */ ASSERT (wcscmp (result, L" 00000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_LEFT. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%-20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with zero. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%#b %d", 0, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"0 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a positive number. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%#b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"0b11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a positive number and width. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%#20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L" 0b11000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a positive number and padding. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%0#20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"0b000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a positive number and precision. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%0#.20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L"0b00000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a positive number and width and precision. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%#25.20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); ASSERT (wcscmp (result, L" 0b00000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a positive number and padding and precision. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%0#25.20b %d", 12345, 33, 44, 55); ASSERT (result != NULL); /* Neither ISO C nor POSIX specify that the '0' flag is ignored when a width and a precision are both present. But implementations do so. */ ASSERT (wcscmp (result, L" 0b00000011000000111001 33") == 0); ASSERT (length == wcslen (result)); free (result); } { /* FLAG_ALT with a zero precision and a zero number. */ size_t length; wchar_t *result = my_asnwprintf (NULL, &length, L"%#.0b %d", 0, 33, 44, 55); ASSERT (result != NULL); /* ISO C and POSIX specify that "The result of converting a zero value with a precision of zero is no characters.", and the prefix is added only for non-zero values. */ ASSERT (wcscmp (result, L" 33") == 0); ASSERT (length == wcslen (result)); free (result); } } static wchar_t * my_asnwprintf (wchar_t *resultbuf, size_t *lengthp, const wchar_t *format, ...) { va_list args; wchar_t *ret; va_start (args, format); ret = vasnwprintf (resultbuf, lengthp, format, args); va_end (args); return ret; } static void test_vasnwprintf () { test_function (my_asnwprintf); } static void test_asnwprintf () { test_function (asnwprintf); } int main (int argc, char *argv[]) { test_vasnwprintf (); test_asnwprintf (); return test_exit_status; }