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 | |