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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2012-07-12 20:34:34 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2012-07-12 20:34:34 +0000 |
commit | 0c6a5fa0d9719a40748d8726b4543f02f70518c1 (patch) | |
tree | 241f9ae619069ac5861d7621ade296102ab5de5d /test/test-integers.c | |
download | libexif-tarball-master.tar.gz |
libexif-0.6.21HEADlibexif-0.6.21master
Diffstat (limited to 'test/test-integers.c')
-rw-r--r-- | test/test-integers.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/test/test-integers.c b/test/test-integers.c new file mode 100644 index 0000000..6af7534 --- /dev/null +++ b/test/test-integers.c @@ -0,0 +1,64 @@ +/** \file test-integers.c + * \brief Check assumptions about integer types (sizes, ranges). + * + * Copyright (C) 2007 Hans Ulrich Niedermann <gp@n-dimensional.de> + * + * This 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 of the License, or (at your option) any later version. + * + * This 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 this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + */ + + +#include "libexif/_stdint.h" +#include <stdlib.h> +#include <stdio.h> + + +typedef enum { + EN_A, + EN_B, + EN_C, + EN_D, + EN_E, + EN_F +} enum_t; + + +#if defined(__GNUC__) && (__GNUC__ >= 4) +# define CHECK(condition) \ + if (!(condition)) { \ + fprintf(stderr, "%s:%d: check failed: %s\n", \ + __FILE__, __LINE__, #condition); \ + errors++; \ + } +#else +# define CHECK(condition) \ + if (!(condition)) { \ + abort(); \ + } +#endif + + +int main() +{ + unsigned int errors = 0; + + /* libexif assumes unsigned ints are not smaller than 32bit in many places */ + CHECK(sizeof(unsigned int) >= sizeof(uint32_t)); + + /* libexif assumes that enums fit into ints */ + CHECK(sizeof(enum_t) <= sizeof(int)); + + return (errors>0)?1:0; +} |