1 // RUN: %clang_cc1 -ffreestanding -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -fno-signed-char -ffreestanding -fsyntax-only -verify %s 3 // RUN: %clang_cc1 -std=c++11 -ffreestanding -fsyntax-only -verify %s 4 // expected-no-diagnostics 5 6 #include <limits.h> 7 8 _Static_assert(SCHAR_MAX == -(SCHAR_MIN+1), ""); 9 _Static_assert(SHRT_MAX == -(SHRT_MIN+1), ""); 10 _Static_assert(INT_MAX == -(INT_MIN+1), ""); 11 _Static_assert(LONG_MAX == -(LONG_MIN+1L), ""); 12 13 _Static_assert(SCHAR_MAX == UCHAR_MAX/2, ""); 14 _Static_assert(SHRT_MAX == USHRT_MAX/2, ""); 15 _Static_assert(INT_MAX == UINT_MAX/2, ""); 16 _Static_assert(LONG_MAX == ULONG_MAX/2, ""); 17 18 _Static_assert(SCHAR_MIN == -SCHAR_MAX-1, ""); 19 _Static_assert(SHRT_MIN == -SHRT_MAX-1, ""); 20 _Static_assert(INT_MIN == -INT_MAX-1, ""); 21 _Static_assert(LONG_MIN == -LONG_MAX-1L, ""); 22 23 _Static_assert(UCHAR_MAX == (unsigned char)~0ULL, ""); 24 _Static_assert(USHRT_MAX == (unsigned short)~0ULL, ""); 25 _Static_assert(UINT_MAX == (unsigned int)~0ULL, ""); 26 _Static_assert(ULONG_MAX == (unsigned long)~0ULL, ""); 27 28 _Static_assert(MB_LEN_MAX >= 1, ""); 29 30 _Static_assert(CHAR_BIT >= 8, ""); 31 32 const bool char_is_signed = (char)-1 < (char)0; 33 _Static_assert(CHAR_MIN == (char_is_signed ? -CHAR_MAX-1 : 0), ""); 34 _Static_assert(CHAR_MAX == (char_is_signed ? -(CHAR_MIN+1) : (char)~0ULL), ""); 35 36 #if __STDC_VERSION__ >= 199901 || __cplusplus >= 201103L 37 _Static_assert(LLONG_MAX == -(LLONG_MIN+1LL), ""); 38 _Static_assert(LLONG_MIN == -LLONG_MAX-1LL, ""); 39 _Static_assert(ULLONG_MAX == (unsigned long long)~0ULL, ""); 40 #else 41 int LLONG_MIN, LLONG_MAX, ULLONG_MAX; // Not defined. 42 #endif 43
