clang/test/C/C99/n629.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux -verify %s
   2 // RUN: %clang_cc1 -triple i686-unknown-linux -verify %s
   3 // RUN: %clang_cc1 -triple x86_64-unknown-win32 -verify %s
   4 // RUN: %clang_cc1 -triple i686-unknown-win32 -verify %s
   5
   6 /* WG14 N629: yes
   7  * integer constant type rules
   8  */
   9
  10 // expected-no-diagnostics
  11
  12 void test_decimal_constants(void) {
  13   // Easy cases where the value fits into the type you'd expect.
  14   (void)_Generic(2,    int : 1);
  15   (void)_Generic(2u,   unsigned int : 1);
  16   (void)_Generic(2l,   long : 1);
  17   (void)_Generic(2ul,  unsigned long : 1);
  18   (void)_Generic(2ll,  long long : 1);
  19   (void)_Generic(2ull, unsigned long long : 1);
  20
  21 #if __INT_WIDTH__ == 16
  22   #if __LONG_WIDTH__ > 16
  23     (void)_Generic(65536, long : 1);
  24     (void)_Generic(65536U, unsigned long : 1);
  25   #else
  26     (void)_Generic(65536, long long : 1);
  27     (void)_Generic(65536U, unsigned long : 1);
  28   #endif // __LONG_WIDTH__ > 16
  29 #elif __INT_WIDTH__ == 32
  30   #if __LONG_WIDTH__ > 32
  31     (void)_Generic(4294967296, long : 1);
  32     (void)_Generic(4294967296U, unsigned long : 1);
  33   #else
  34     (void)_Generic(4294967296, long long : 1);
  35     (void)_Generic(4294967296U, unsigned long long : 1);
  36   #endif // __LONG_WIDTH__ > 32
  37 #endif
  38
  39 #if __LONG_WIDTH__ > 32
  40   (void)_Generic(4294967296L, long : 1);
  41   (void)_Generic(4294967296U, unsigned long : 1);
  42 #else
  43   (void)_Generic(4294967296L, long long : 1);
  44   (void)_Generic(4294967296U, unsigned long long : 1);
  45 #endif
  46 }
  47
  48 void test_octal_constants(void) {
  49   (void)_Generic(02,    int : 1);
  50   (void)_Generic(02u,   unsigned int : 1);
  51   (void)_Generic(02l,   long : 1);
  52   (void)_Generic(02ul,  unsigned long : 1);
  53   (void)_Generic(02ll,  long long : 1);
  54   (void)_Generic(02ull, unsigned long long : 1);
  55
  56 #if __INT_WIDTH__ == 16
  57   #if __LONG_WIDTH__ > 16
  58     (void)_Generic(0200000, long : 1);
  59     (void)_Generic(0200000U, unsigned long : 1);
  60   #else
  61     (void)_Generic(0200000, long long : 1);
  62     (void)_Generic(0200000U, unsigned long : 1);
  63   #endif // __LONG_WIDTH__ > 16
  64 #elif __INT_WIDTH__ == 32
  65   #if __LONG_WIDTH__ > 32
  66     (void)_Generic(040000000000, long : 1);
  67     (void)_Generic(040000000000U, unsigned long : 1);
  68   #else
  69     (void)_Generic(040000000000, long long : 1);
  70     (void)_Generic(040000000000U, unsigned long long : 1);
  71   #endif // __LONG_WIDTH__ > 32
  72 #endif
  73
  74 #if __LONG_WIDTH__ > 32
  75   (void)_Generic(040000000000L, long : 1);
  76   (void)_Generic(040000000000U, unsigned long : 1);
  77 #else
  78   (void)_Generic(040000000000L, long long : 1);
  79   (void)_Generic(040000000000U, unsigned long long : 1);
  80 #endif
  81 }
  82
  83 void test_hexadecimal_constants(void) {
  84   (void)_Generic(0x2,    int : 1);
  85   (void)_Generic(0x2u,   unsigned int : 1);
  86   (void)_Generic(0x2l,   long : 1);
  87   (void)_Generic(0x2ul,  unsigned long : 1);
  88   (void)_Generic(0x2ll,  long long : 1);
  89   (void)_Generic(0x2ull, unsigned long long : 1);
  90
  91 #if __INT_WIDTH__ == 16
  92   #if __LONG_WIDTH__ > 16
  93     (void)_Generic(0x10000, long : 1);
  94     (void)_Generic(0x10000U, unsigned long : 1);
  95   #else
  96     (void)_Generic(0x10000, long long : 1);
  97     (void)_Generic(0x10000U, unsigned long : 1);
  98   #endif // __LONG_WIDTH__ > 16
  99 #elif __INT_WIDTH__ == 32
 100   #if __LONG_WIDTH__ > 32
 101     (void)_Generic(0x100000000, long : 1);
 102     (void)_Generic(0x100000000U, unsigned long : 1);
 103   #else
 104     (void)_Generic(0x100000000, long long : 1);
 105     (void)_Generic(0x100000000U, unsigned long long : 1);
 106   #endif // __LONG_WIDTH__ > 32
 107 #endif
 108
 109 #if __LONG_WIDTH__ > 32
 110   (void)_Generic(0x100000000L, long : 1);
 111   (void)_Generic(0x100000000U, unsigned long : 1);
 112 #else
 113   (void)_Generic(0x100000000L, long long : 1);
 114   (void)_Generic(0x100000000U, unsigned long long : 1);
 115 #endif
 116 }