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Diffstat (limited to 'gnulib-tests/test-limits-h.c')
-rw-r--r-- | gnulib-tests/test-limits-h.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gnulib-tests/test-limits-h.c b/gnulib-tests/test-limits-h.c new file mode 100644 index 0000000..29b5127 --- /dev/null +++ b/gnulib-tests/test-limits-h.c @@ -0,0 +1,50 @@ +/* Test of <limits.h> substitute. + Copyright 2016-2018 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 Paul Eggert. */ + +#include <config.h> + +#include <limits.h> + +#include "verify.h" + +#if 4 < __GNUC__ + (3 <= __GNUC_MINOR__) +# pragma GCC diagnostic ignored "-Woverlength-strings" +#endif + +/* Macros specified by ISO/IEC TS 18661-1:2014. */ + +#define verify_width(width, min, max) \ + verify ((max) >> ((width) - 1 - ((min) < 0)) == 1) + +verify_width (CHAR_WIDTH, CHAR_MIN, CHAR_MAX); +verify_width (SCHAR_WIDTH, SCHAR_MIN, SCHAR_MAX); +verify_width (UCHAR_WIDTH, 0, UCHAR_MAX); +verify_width (SHRT_WIDTH, SHRT_MIN, SHRT_MAX); +verify_width (USHRT_WIDTH, 0, USHRT_MAX); +verify_width (INT_WIDTH, INT_MIN, INT_MAX); +verify_width (UINT_WIDTH, 0, UINT_MAX); +verify_width (LONG_WIDTH, LONG_MIN, LONG_MAX); +verify_width (ULONG_WIDTH, 0, ULONG_MAX); +verify_width (LLONG_WIDTH, LLONG_MIN, LLONG_MAX); +verify_width (ULLONG_WIDTH, 0, ULLONG_MAX); + +int +main (void) +{ + return 0; +} |