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Diffstat (limited to '')
| -rw-r--r-- | src/gl/tests/test-stdint.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/src/gl/tests/test-stdint.c b/src/gl/tests/test-stdint.c new file mode 100644 index 0000000..dc6fad7 --- /dev/null +++ b/src/gl/tests/test-stdint.c @@ -0,0 +1,428 @@ +/* Test of <stdint.h> substitute. + Copyright (C) 2006-2021 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>, 2006. */ + +#include <config.h> + +/* Whether to enable pedantic checks. */ +#define DO_PEDANTIC 0 + +#include <stdint.h> + +#include "verify.h" +#include "intprops.h" + +#if ((__GNUC__ >= 2) || (__clang_major__ >= 4)) && DO_PEDANTIC +# define verify_same_types(expr1,expr2) \ + extern void _verify_func(__LINE__) (__typeof__ (expr1) *); \ + extern void _verify_func(__LINE__) (__typeof__ (expr2) *); +# define _verify_func(line) _verify_func2(line) +# define _verify_func2(line) verify_func_ ## line +#else +# define verify_same_types(expr1,expr2) extern void verify_func (int) +#endif + +/* 7.18.1.1. Exact-width integer types */ +/* 7.18.2.1. Limits of exact-width integer types */ + +int8_t a1[3] = { INT8_C (17), INT8_MIN, INT8_MAX }; +verify (TYPE_MINIMUM (int8_t) == INT8_MIN); +verify (TYPE_MAXIMUM (int8_t) == INT8_MAX); +verify_same_types (INT8_MIN, (int8_t) 0 + 0); +verify_same_types (INT8_MAX, (int8_t) 0 + 0); + +int16_t a2[3] = { INT16_C (17), INT16_MIN, INT16_MAX }; +verify (TYPE_MINIMUM (int16_t) == INT16_MIN); +verify (TYPE_MAXIMUM (int16_t) == INT16_MAX); +verify_same_types (INT16_MIN, (int16_t) 0 + 0); +verify_same_types (INT16_MAX, (int16_t) 0 + 0); + +int32_t a3[3] = { INT32_C (17), INT32_MIN, INT32_MAX }; +verify (TYPE_MINIMUM (int32_t) == INT32_MIN); +verify (TYPE_MAXIMUM (int32_t) == INT32_MAX); +verify_same_types (INT32_MIN, (int32_t) 0 + 0); +verify_same_types (INT32_MAX, (int32_t) 0 + 0); + +#ifdef INT64_MAX +int64_t a4[3] = { INT64_C (17), INT64_MIN, INT64_MAX }; +verify (TYPE_MINIMUM (int64_t) == INT64_MIN); +verify (TYPE_MAXIMUM (int64_t) == INT64_MAX); +verify_same_types (INT64_MIN, (int64_t) 0 + 0); +verify_same_types (INT64_MAX, (int64_t) 0 + 0); +#endif + +uint8_t b1[2] = { UINT8_C (17), UINT8_MAX }; +verify (TYPE_MAXIMUM (uint8_t) == UINT8_MAX); +verify_same_types (UINT8_MAX, (uint8_t) 0 + 0); + +uint16_t b2[2] = { UINT16_C (17), UINT16_MAX }; +verify (TYPE_MAXIMUM (uint16_t) == UINT16_MAX); +verify_same_types (UINT16_MAX, (uint16_t) 0 + 0); + +uint32_t b3[2] = { UINT32_C (17), UINT32_MAX }; +verify (TYPE_MAXIMUM (uint32_t) == UINT32_MAX); +verify_same_types (UINT32_MAX, (uint32_t) 0 + 0); + +#ifdef UINT64_MAX +uint64_t b4[2] = { UINT64_C (17), UINT64_MAX }; +verify (TYPE_MAXIMUM (uint64_t) == UINT64_MAX); +verify_same_types (UINT64_MAX, (uint64_t) 0 + 0); +#endif + +#if INT8_MIN && INT8_MAX && INT16_MIN && INT16_MAX && INT32_MIN && INT32_MAX +/* ok */ +#else +err or; +#endif + +#if UINT8_MAX && UINT16_MAX && UINT32_MAX +/* ok */ +#else +err or; +#endif + +/* 7.18.1.2. Minimum-width integer types */ +/* 7.18.2.2. Limits of minimum-width integer types */ + +int_least8_t c1[3] = { 17, INT_LEAST8_MIN, INT_LEAST8_MAX }; +verify (TYPE_MINIMUM (int_least8_t) == INT_LEAST8_MIN); +verify (TYPE_MAXIMUM (int_least8_t) == INT_LEAST8_MAX); +verify_same_types (INT_LEAST8_MIN, (int_least8_t) 0 + 0); +verify_same_types (INT_LEAST8_MAX, (int_least8_t) 0 + 0); + +int_least16_t c2[3] = { 17, INT_LEAST16_MIN, INT_LEAST16_MAX }; +verify (TYPE_MINIMUM (int_least16_t) == INT_LEAST16_MIN); +verify (TYPE_MAXIMUM (int_least16_t) == INT_LEAST16_MAX); +verify_same_types (INT_LEAST16_MIN, (int_least16_t) 0 + 0); +verify_same_types (INT_LEAST16_MAX, (int_least16_t) 0 + 0); + +int_least32_t c3[3] = { 17, INT_LEAST32_MIN, INT_LEAST32_MAX }; +verify (TYPE_MINIMUM (int_least32_t) == INT_LEAST32_MIN); +verify (TYPE_MAXIMUM (int_least32_t) == INT_LEAST32_MAX); +verify_same_types (INT_LEAST32_MIN, (int_least32_t) 0 + 0); +verify_same_types (INT_LEAST32_MAX, (int_least32_t) 0 + 0); + +#ifdef INT_LEAST64_MAX +int_least64_t c4[3] = { 17, INT_LEAST64_MIN, INT_LEAST64_MAX }; +verify (TYPE_MINIMUM (int_least64_t) == INT_LEAST64_MIN); +verify (TYPE_MAXIMUM (int_least64_t) == INT_LEAST64_MAX); +verify_same_types (INT_LEAST64_MIN, (int_least64_t) 0 + 0); +verify_same_types (INT_LEAST64_MAX, (int_least64_t) 0 + 0); +#endif + +uint_least8_t d1[2] = { 17, UINT_LEAST8_MAX }; +verify (TYPE_MAXIMUM (uint_least8_t) == UINT_LEAST8_MAX); +verify_same_types (UINT_LEAST8_MAX, (uint_least8_t) 0 + 0); + +uint_least16_t d2[2] = { 17, UINT_LEAST16_MAX }; +verify (TYPE_MAXIMUM (uint_least16_t) == UINT_LEAST16_MAX); +verify_same_types (UINT_LEAST16_MAX, (uint_least16_t) 0 + 0); + +uint_least32_t d3[2] = { 17, UINT_LEAST32_MAX }; +verify (TYPE_MAXIMUM (uint_least32_t) == UINT_LEAST32_MAX); +verify_same_types (UINT_LEAST32_MAX, (uint_least32_t) 0 + 0); + +#ifdef UINT_LEAST64_MAX +uint_least64_t d4[2] = { 17, UINT_LEAST64_MAX }; +verify (TYPE_MAXIMUM (uint_least64_t) == UINT_LEAST64_MAX); +verify_same_types (UINT_LEAST64_MAX, (uint_least64_t) 0 + 0); +#endif + +#if INT_LEAST8_MIN && INT_LEAST8_MAX && INT_LEAST16_MIN && INT_LEAST16_MAX && INT_LEAST32_MIN && INT_LEAST32_MAX +/* ok */ +#else +err or; +#endif + +#if UINT_LEAST8_MAX && UINT_LEAST16_MAX && UINT_LEAST32_MAX +/* ok */ +#else +err or; +#endif + +/* 7.18.1.3. Fastest minimum-width integer types */ +/* 7.18.2.3. Limits of fastest minimum-width integer types */ + +int_fast8_t e1[3] = { 17, INT_FAST8_MIN, INT_FAST8_MAX }; +verify (TYPE_MINIMUM (int_fast8_t) == INT_FAST8_MIN); +verify (TYPE_MAXIMUM (int_fast8_t) == INT_FAST8_MAX); +verify_same_types (INT_FAST8_MIN, (int_fast8_t) 0 + 0); +verify_same_types (INT_FAST8_MAX, (int_fast8_t) 0 + 0); + +int_fast16_t e2[3] = { 17, INT_FAST16_MIN, INT_FAST16_MAX }; +verify (TYPE_MINIMUM (int_fast16_t) == INT_FAST16_MIN); +verify (TYPE_MAXIMUM (int_fast16_t) == INT_FAST16_MAX); +verify_same_types (INT_FAST16_MIN, (int_fast16_t) 0 + 0); +verify_same_types (INT_FAST16_MAX, (int_fast16_t) 0 + 0); + +int_fast32_t e3[3] = { 17, INT_FAST32_MIN, INT_FAST32_MAX }; +verify (TYPE_MINIMUM (int_fast32_t) == INT_FAST32_MIN); +verify (TYPE_MAXIMUM (int_fast32_t) == INT_FAST32_MAX); +verify_same_types (INT_FAST32_MIN, (int_fast32_t) 0 + 0); +verify_same_types (INT_FAST32_MAX, (int_fast32_t) 0 + 0); + +#ifdef INT_FAST64_MAX +int_fast64_t e4[3] = { 17, INT_FAST64_MIN, INT_FAST64_MAX }; +verify (TYPE_MINIMUM (int_fast64_t) == INT_FAST64_MIN); +verify (TYPE_MAXIMUM (int_fast64_t) == INT_FAST64_MAX); +verify_same_types (INT_FAST64_MIN, (int_fast64_t) 0 + 0); +verify_same_types (INT_FAST64_MAX, (int_fast64_t) 0 + 0); +#endif + +uint_fast8_t f1[2] = { 17, UINT_FAST8_MAX }; +verify (TYPE_MAXIMUM (uint_fast8_t) == UINT_FAST8_MAX); +verify_same_types (UINT_FAST8_MAX, (uint_fast8_t) 0 + 0); + +uint_fast16_t f2[2] = { 17, UINT_FAST16_MAX }; +verify (TYPE_MAXIMUM (uint_fast16_t) == UINT_FAST16_MAX); +verify_same_types (UINT_FAST16_MAX, (uint_fast16_t) 0 + 0); + +uint_fast32_t f3[2] = { 17, UINT_FAST32_MAX }; +verify (TYPE_MAXIMUM (uint_fast32_t) == UINT_FAST32_MAX); +verify_same_types (UINT_FAST32_MAX, (uint_fast32_t) 0 + 0); + +#ifdef UINT_FAST64_MAX +uint_fast64_t f4[2] = { 17, UINT_FAST64_MAX }; +verify (TYPE_MAXIMUM (uint_fast64_t) == UINT_FAST64_MAX); +verify_same_types (UINT_FAST64_MAX, (uint_fast64_t) 0 + 0); +#endif + +#if INT_FAST8_MIN && INT_FAST8_MAX && INT_FAST16_MIN && INT_FAST16_MAX && INT_FAST32_MIN && INT_FAST32_MAX +/* ok */ +#else +err or; +#endif + +#if UINT_FAST8_MAX && UINT_FAST16_MAX && UINT_FAST32_MAX +/* ok */ +#else +err or; +#endif + +/* 7.18.1.4. Integer types capable of holding object pointers */ +/* 7.18.2.4. Limits of integer types capable of holding object pointers */ + +intptr_t g[3] = { 17, INTPTR_MIN, INTPTR_MAX }; +verify (sizeof (void *) <= sizeof (intptr_t)); +verify (TYPE_MINIMUM (intptr_t) == INTPTR_MIN); +verify (TYPE_MAXIMUM (intptr_t) == INTPTR_MAX); +verify_same_types (INTPTR_MIN, (intptr_t) 0 + 0); +verify_same_types (INTPTR_MAX, (intptr_t) 0 + 0); + +uintptr_t h[2] = { 17, UINTPTR_MAX }; +verify (sizeof (void *) <= sizeof (uintptr_t)); +verify (TYPE_MAXIMUM (uintptr_t) == UINTPTR_MAX); +verify_same_types (UINTPTR_MAX, (uintptr_t) 0 + 0); + +#if INTPTR_MIN && INTPTR_MAX && UINTPTR_MAX +/* ok */ +#else +err or; +#endif + +/* 7.18.1.5. Greatest-width integer types */ +/* 7.18.2.5. Limits of greatest-width integer types */ + +intmax_t i[3] = { INTMAX_C (17), INTMAX_MIN, INTMAX_MAX }; +verify (TYPE_MINIMUM (intmax_t) == INTMAX_MIN); +verify (TYPE_MAXIMUM (intmax_t) == INTMAX_MAX); +verify_same_types (INTMAX_MIN, (intmax_t) 0 + 0); +verify_same_types (INTMAX_MAX, (intmax_t) 0 + 0); + +uintmax_t j[2] = { UINTMAX_C (17), UINTMAX_MAX }; +verify (TYPE_MAXIMUM (uintmax_t) == UINTMAX_MAX); +verify_same_types (UINTMAX_MAX, (uintmax_t) 0 + 0); + +/* As of 2007, Sun C and HP-UX 10.20 cc don't support 'long long' constants in + the preprocessor. */ +#if !(defined __SUNPRO_C || (defined __hpux && !defined __GNUC__)) +#if INTMAX_MIN && INTMAX_MAX && UINTMAX_MAX +/* ok */ +#else +err or; +#endif +#endif + +/* 7.18.3. Limits of other integer types */ + +#include <stddef.h> + +verify (TYPE_MINIMUM (ptrdiff_t) == PTRDIFF_MIN); +verify (TYPE_MAXIMUM (ptrdiff_t) == PTRDIFF_MAX); +verify_same_types (PTRDIFF_MIN, (ptrdiff_t) 0 + 0); +verify_same_types (PTRDIFF_MAX, (ptrdiff_t) 0 + 0); + +#if PTRDIFF_MIN && PTRDIFF_MAX +/* ok */ +#else +err or; +#endif + +#include <signal.h> + +verify (TYPE_MINIMUM (sig_atomic_t) == SIG_ATOMIC_MIN); +verify (TYPE_MAXIMUM (sig_atomic_t) == SIG_ATOMIC_MAX); +verify_same_types (SIG_ATOMIC_MIN, (sig_atomic_t) 0 + 0); +verify_same_types (SIG_ATOMIC_MAX, (sig_atomic_t) 0 + 0); + +#if SIG_ATOMIC_MIN != 17 && SIG_ATOMIC_MAX +/* ok */ +#else +err or; +#endif + +verify (TYPE_MAXIMUM (size_t) == SIZE_MAX); +verify_same_types (SIZE_MAX, (size_t) 0 + 0); + +#if SIZE_MAX +/* ok */ +#else +err or; +#endif + +#if HAVE_WCHAR_T +verify (TYPE_MINIMUM (wchar_t) == WCHAR_MIN); +verify (TYPE_MAXIMUM (wchar_t) == WCHAR_MAX); +verify_same_types (WCHAR_MIN, (wchar_t) 0 + 0); +verify_same_types (WCHAR_MAX, (wchar_t) 0 + 0); + +# if WCHAR_MIN != 17 && WCHAR_MAX +/* ok */ +# else +err or; +# endif +#endif + +#if HAVE_WINT_T +# include <wchar.h> + +verify (TYPE_MINIMUM (wint_t) == WINT_MIN); +verify (TYPE_MAXIMUM (wint_t) == WINT_MAX); +verify_same_types (WINT_MIN, (wint_t) 0 + 0); +verify_same_types (WINT_MAX, (wint_t) 0 + 0); + +# if WINT_MIN != 17 && WINT_MAX +/* ok */ +# else +err or; +# endif +#endif + +/* 7.18.4. Macros for integer constants */ + +verify (INT8_C (17) == 17); +verify_same_types (INT8_C (17), (int_least8_t)0 + 0); +verify (UINT8_C (17) == 17); +verify_same_types (UINT8_C (17), (uint_least8_t)0 + 0); + +verify (INT16_C (17) == 17); +verify_same_types (INT16_C (17), (int_least16_t)0 + 0); +verify (UINT16_C (17) == 17); +verify_same_types (UINT16_C (17), (uint_least16_t)0 + 0); + +verify (INT32_C (17) == 17); +verify_same_types (INT32_C (17), (int_least32_t)0 + 0); +verify (UINT32_C (17) == 17); +verify_same_types (UINT32_C (17), (uint_least32_t)0 + 0); + +#ifdef INT64_C +verify (INT64_C (17) == 17); +verify_same_types (INT64_C (17), (int_least64_t)0 + 0); +#endif +#ifdef UINT64_C +verify (UINT64_C (17) == 17); +verify_same_types (UINT64_C (17), (uint_least64_t)0 + 0); +#endif + +verify (INTMAX_C (17) == 17); +verify_same_types (INTMAX_C (17), (intmax_t)0 + 0); +verify (UINTMAX_C (17) == 17); +verify_same_types (UINTMAX_C (17), (uintmax_t)0 + 0); + +/* Use _GL_VERIFY (with a fixed-length diagnostic string) rather than verify, + because the latter would require forming each stringified expression, and + many of these would be so long as to trigger a warning/error like this: + + test-stdint.c:407:1: error: string length '6980' is greater than the \ + length '4095' ISO C99 compilers are required to support \ + [-Werror=overlength-strings] + */ +#define verify_width(width, min, max) \ + _GL_VERIFY ((max) >> ((width) - 1 - ((min) < 0)) == 1, \ + "verify_width check", -) + +/* Macros specified by ISO/IEC TS 18661-1:2014. */ + +#ifdef INT8_MAX +verify_width (INT8_WIDTH, INT8_MIN, INT8_MAX); +#endif +#ifdef UINT8_MAX +verify_width (UINT8_WIDTH, 0, UINT8_MAX); +#endif +#ifdef INT16_MAX +verify_width (INT16_WIDTH, INT16_MIN, INT16_MAX); +#endif +#ifdef UINT16_MAX +verify_width (UINT16_WIDTH, 0, UINT16_MAX); +#endif +#ifdef INT32_MAX +verify_width (INT32_WIDTH, INT32_MIN, INT32_MAX); +#endif +#ifdef UINT32_MAX +verify_width (UINT32_WIDTH, 0, UINT32_MAX); +#endif +#ifdef INT64_MAX +verify_width (INT64_WIDTH, INT64_MIN, INT64_MAX); +#endif +#ifdef UINT64_MAX +verify_width (UINT64_WIDTH, 0, UINT64_MAX); +#endif +verify_width (INT_LEAST8_WIDTH, INT_LEAST8_MIN, INT_LEAST8_MAX); +verify_width (UINT_LEAST8_WIDTH, 0, UINT_LEAST8_MAX); +verify_width (INT_LEAST16_WIDTH, INT_LEAST16_MIN, INT_LEAST16_MAX); +verify_width (UINT_LEAST16_WIDTH, 0, UINT_LEAST16_MAX); +verify_width (INT_LEAST32_WIDTH, INT_LEAST32_MIN, INT_LEAST32_MAX); +verify_width (UINT_LEAST32_WIDTH, 0, UINT_LEAST32_MAX); +verify_width (INT_LEAST64_WIDTH, INT_LEAST64_MIN, INT_LEAST64_MAX); +verify_width (UINT_LEAST64_WIDTH, 0, UINT_LEAST64_MAX); +verify_width (INT_FAST8_WIDTH, INT_FAST8_MIN, INT_FAST8_MAX); +verify_width (UINT_FAST8_WIDTH, 0, UINT_FAST8_MAX); +verify_width (INT_FAST16_WIDTH, INT_FAST16_MIN, INT_FAST16_MAX); +verify_width (UINT_FAST16_WIDTH, 0, UINT_FAST16_MAX); +verify_width (INT_FAST32_WIDTH, INT_FAST32_MIN, INT_FAST32_MAX); +verify_width (UINT_FAST32_WIDTH, 0, UINT_FAST32_MAX); +verify_width (INT_FAST64_WIDTH, INT_FAST64_MIN, INT_FAST64_MAX); +verify_width (UINT_FAST64_WIDTH, 0, UINT_FAST64_MAX); +verify_width (INTPTR_WIDTH, INTPTR_MIN, INTPTR_MAX); +verify_width (UINTPTR_WIDTH, 0, UINTPTR_MAX); +verify_width (INTMAX_WIDTH, INTMAX_MIN, INTMAX_MAX); +verify_width (UINTMAX_WIDTH, 0, UINTMAX_MAX); +verify_width (PTRDIFF_WIDTH, PTRDIFF_MIN, PTRDIFF_MAX); +verify_width (SIZE_WIDTH, 0, SIZE_MAX); +verify_width (WCHAR_WIDTH, WCHAR_MIN, WCHAR_MAX); +#ifdef WINT_MAX +verify_width (WINT_WIDTH, WINT_MIN, WINT_MAX); +#endif +#ifdef SIG_ATOMIC_MAX +verify_width (SIG_ATOMIC_WIDTH, SIG_ATOMIC_MIN, SIG_ATOMIC_MAX); +#endif + +int +main (void) +{ + return 0; +} |