gcc/testsuite/gcc.dg/c11-uni-string-1.c

   1 /* Test Unicode strings in C11.  Test valid code.  */
   2 /* { dg-do run } */
   3 /* { dg-options "-std=c11 -pedantic-errors" } */
   4
   5 /* More thorough tests are in c-c++-common/raw-string-*.c; this test
   6    verifies the particular subset (Unicode but not raw strings) that
   7    is in C11.  */
   8
   9 typedef __CHAR16_TYPE__ char16_t;
  10 typedef __CHAR32_TYPE__ char32_t;
  11 typedef __SIZE_TYPE__ size_t;
  12
  13 extern void abort (void);
  14 extern void exit (int);
  15 extern int memcmp (const void *, const void *, size_t);
  16
  17 #define R "(R)"
  18 #define u8R "(u8R)"
  19 #define uR "(uR)"
  20 #define UR "(UR)"
  21 #define LR "(LR)"
  22 #define u8 randomu8
  23 #define u randomu
  24 #define U randomU
  25
  26 const char su8[] = u8"a\u010d";
  27 const char su8a[] = "a\xc4\x8d";
  28
  29 const char16_t su16[] = u"\u0567";
  30 const char16_t su16a[] = { 0x0567, 0 };
  31
  32 const char32_t su32[] = U"\u0123";
  33 const char32_t su32a[] = { 0x0123, 0 };
  34
  35 const char tu[] = R"a";
  36 const char tua[] = "(R)a";
  37
  38 const char tu8[] = u8R"b";
  39 const char tu8a[] = "(u8R)b";
  40
  41 const char tu16[] = uR"c";
  42 const char tu16a[] = "(uR)c";
  43
  44 const char tu32[] = UR"d";
  45 const char tu32a[] = "(UR)d";
  46
  47 const char tl[] = LR"e";
  48 const char tla[] = "(LR)e";
  49
  50 #define str(x) #x
  51 const char ts[] = str(u"a" U"b" u8"c");
  52 const char tsa[] = "u\"a\" U\"b\" u8\"c\"";
  53
  54 /* GCC always uses UTF-16 and UTF-32 for char16_t and char32_t.  */
  55 #ifndef __STDC_UTF_16__
  56 #error "__STDC_UTF_16__ not defined"
  57 #endif
  58 #ifndef __STDC_UTF_32__
  59 #error "__STDC_UTF_32__ not defined"
  60 #endif
  61 #define xstr(x) str(x)
  62 const char tm16[] = xstr(__STDC_UTF_16__);
  63 const char tm16a[] = "1";
  64 const char tm32[] = xstr(__STDC_UTF_32__);
  65 const char tm32a[] = "1";
  66
  67 int
  68 main (void)
  69 {
  70   if (sizeof (su8) != sizeof (su8a)
  71       || memcmp (su8, su8a, sizeof (su8)) != 0)
  72     abort ();
  73   if (sizeof (su16) != sizeof (su16a)
  74       || memcmp (su16, su16a, sizeof (su16)) != 0)
  75     abort ();
  76   if (sizeof (su32) != sizeof (su32a)
  77       || memcmp (su32, su32a, sizeof (su32)) != 0)
  78     abort ();
  79   if (sizeof (tu) != sizeof (tua)
  80       || memcmp (tu, tua, sizeof (tu)) != 0)
  81     abort ();
  82   if (sizeof (tu8) != sizeof (tu8a)
  83       || memcmp (tu8, tu8a, sizeof (tu8)) != 0)
  84     abort ();
  85   if (sizeof (tu16) != sizeof (tu16a)
  86       || memcmp (tu16, tu16a, sizeof (tu16)) != 0)
  87     abort ();
  88   if (sizeof (tu32) != sizeof (tu32a)
  89       || memcmp (tu32, tu32a, sizeof (tu32)) != 0)
  90     abort ();
  91   if (sizeof (tl) != sizeof (tla)
  92       || memcmp (tl, tla, sizeof (tl)) != 0)
  93     abort ();
  94   if (sizeof (ts) != sizeof (tsa)
  95       || memcmp (ts, tsa, sizeof (ts)) != 0)
  96     abort ();
  97   if (sizeof (tm16) != sizeof (tm16a)
  98       || memcmp (tm16, tm16a, sizeof (tm16)) != 0)
  99     abort ();
 100   if (sizeof (tm32) != sizeof (tm32a)
 101       || memcmp (tm32, tm32a, sizeof (tm32)) != 0)
 102     abort ();
 103   if (u'\u0123' != 0x0123)
 104     abort ();
 105   if (U'\u0456' != 0x0456)
 106     abort ();
 107 #undef u8
 108 #define u8
 109   if (u8'a' != 'a')
 110     abort ();
 111   exit (0);
 112 }