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Diffstat (limited to 'stdlib/tst-stdbit-Wconversion.c')
| -rw-r--r-- | stdlib/tst-stdbit-Wconversion.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/stdlib/tst-stdbit-Wconversion.c b/stdlib/tst-stdbit-Wconversion.c new file mode 100644 index 0000000000..1a5fbf965c --- /dev/null +++ b/stdlib/tst-stdbit-Wconversion.c @@ -0,0 +1,107 @@ +/* Test <stdbit.h> type-generic macros with -Wconversion. + Copyright (C) 2024 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 <stdbit.h> +#include <support/check.h> + +unsigned char uc; +unsigned short us; +unsigned int ui; +unsigned long int ul; +unsigned long long int ull; + +static int +do_test (void) +{ + /* The main point of this test is the compile-time test that there + are no -Wconversion warnings from the type-generic macros, not + the runtime execution of those macros. */ + (void) stdc_leading_zeros (uc); + (void) stdc_leading_zeros (us); + (void) stdc_leading_zeros (ui); + (void) stdc_leading_zeros (ul); + (void) stdc_leading_zeros (ull); + (void) stdc_leading_ones (uc); + (void) stdc_leading_ones (us); + (void) stdc_leading_ones (ui); + (void) stdc_leading_ones (ul); + (void) stdc_leading_ones (ull); + (void) stdc_trailing_zeros (uc); + (void) stdc_trailing_zeros (us); + (void) stdc_trailing_zeros (ui); + (void) stdc_trailing_zeros (ul); + (void) stdc_trailing_zeros (ull); + (void) stdc_trailing_ones (uc); + (void) stdc_trailing_ones (us); + (void) stdc_trailing_ones (ui); + (void) stdc_trailing_ones (ul); + (void) stdc_trailing_ones (ull); + (void) stdc_first_leading_zero (uc); + (void) stdc_first_leading_zero (us); + (void) stdc_first_leading_zero (ui); + (void) stdc_first_leading_zero (ul); + (void) stdc_first_leading_zero (ull); + (void) stdc_first_leading_one (uc); + (void) stdc_first_leading_one (us); + (void) stdc_first_leading_one (ui); + (void) stdc_first_leading_one (ul); + (void) stdc_first_leading_one (ull); + (void) stdc_first_trailing_zero (uc); + (void) stdc_first_trailing_zero (us); + (void) stdc_first_trailing_zero (ui); + (void) stdc_first_trailing_zero (ul); + (void) stdc_first_trailing_zero (ull); + (void) stdc_first_trailing_one (uc); + (void) stdc_first_trailing_one (us); + (void) stdc_first_trailing_one (ui); + (void) stdc_first_trailing_one (ul); + (void) stdc_first_trailing_one (ull); + (void) stdc_count_zeros (uc); + (void) stdc_count_zeros (us); + (void) stdc_count_zeros (ui); + (void) stdc_count_zeros (ul); + (void) stdc_count_zeros (ull); + (void) stdc_count_ones (uc); + (void) stdc_count_ones (us); + (void) stdc_count_ones (ui); + (void) stdc_count_ones (ul); + (void) stdc_count_ones (ull); + (void) stdc_has_single_bit (uc); + (void) stdc_has_single_bit (us); + (void) stdc_has_single_bit (ui); + (void) stdc_has_single_bit (ul); + (void) stdc_has_single_bit (ull); + (void) stdc_bit_width (uc); + (void) stdc_bit_width (us); + (void) stdc_bit_width (ui); + (void) stdc_bit_width (ul); + (void) stdc_bit_width (ull); + (void) stdc_bit_floor (uc); + (void) stdc_bit_floor (us); + (void) stdc_bit_floor (ui); + (void) stdc_bit_floor (ul); + (void) stdc_bit_floor (ull); + (void) stdc_bit_ceil (uc); + (void) stdc_bit_ceil (us); + (void) stdc_bit_ceil (ui); + (void) stdc_bit_ceil (ul); + (void) stdc_bit_ceil (ull); + return 0; +} + +#include <support/test-driver.c> |