1  /* Test TS 18661-1 width macros in <limits.h>.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c11" } */
       4  
       5  #define __STDC_WANT_IEC_60559_BFP_EXT__
       6  #include <limits.h>
       7  
       8  #define CHECK_WIDTH(TYPE, MAX, WIDTH)					\
       9    _Static_assert ((MAX >> ((TYPE) -1 < 0 ? (WIDTH - 2) : (WIDTH - 1))) == 1, \
      10  		  "width must match type")
      11  
      12  #ifndef CHAR_WIDTH
      13  # error "missing CHAR_WIDTH"
      14  #endif
      15  CHECK_WIDTH (char, CHAR_MAX, CHAR_WIDTH);
      16  #ifndef SCHAR_WIDTH
      17  # error "missing SCHAR_WIDTH"
      18  #endif
      19  CHECK_WIDTH (signed char, SCHAR_MAX, SCHAR_WIDTH);
      20  #ifndef UCHAR_WIDTH
      21  # error "missing UCHAR_WIDTH"
      22  #endif
      23  CHECK_WIDTH (unsigned char, UCHAR_MAX, UCHAR_WIDTH);
      24  #ifndef SHRT_WIDTH
      25  # error "missing SHRT_WIDTH"
      26  #endif
      27  CHECK_WIDTH (signed short, SHRT_MAX, SHRT_WIDTH);
      28  #ifndef USHRT_WIDTH
      29  # error "missing USHRT_WIDTH"
      30  #endif
      31  CHECK_WIDTH (unsigned short, USHRT_MAX, USHRT_WIDTH);
      32  #ifndef INT_WIDTH
      33  # error "missing INT_WIDTH"
      34  #endif
      35  CHECK_WIDTH (signed int, INT_MAX, INT_WIDTH);
      36  #ifndef UINT_WIDTH
      37  # error "missing UINT_WIDTH"
      38  #endif
      39  CHECK_WIDTH (unsigned int, UINT_MAX, UINT_WIDTH);
      40  #ifndef LONG_WIDTH
      41  # error "missing LONG_WIDTH"
      42  #endif
      43  CHECK_WIDTH (signed long, LONG_MAX, LONG_WIDTH);
      44  #ifndef ULONG_WIDTH
      45  # error "missing ULONG_WIDTH"
      46  #endif
      47  CHECK_WIDTH (unsigned long, ULONG_MAX, ULONG_WIDTH);
      48  #ifndef LLONG_WIDTH
      49  # error "missing LLONG_WIDTH"
      50  #endif
      51  CHECK_WIDTH (signed long long, LLONG_MAX, LLONG_WIDTH);
      52  #ifndef ULLONG_WIDTH
      53  # error "missing ULLONG_WIDTH"
      54  #endif
      55  CHECK_WIDTH (unsigned long long, ULLONG_MAX, ULLONG_WIDTH);