gcc/testsuite/gcc.dg/cpp/ucs.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c99" } */
   5
   6 /* This tests universal character sequences.
   7
   8    Neil Booth, 22 May 2001.
   9    Richard Henderson, 3 Apr 2002.  */
  10
  11 #include <limits.h>
  12
  13 #define unsigned        +0
  14 #define int             +0
  15 #define char            +1
  16 #define short           +2
  17 #define long            +3
  18
  19 #if !defined(WCHAR_MAX)
  20
  21 #if __WCHAR_TYPE__ == 0
  22 # define WCHAR_MAX      INT_MAX
  23 #elif __WCHAR_TYPE__ == 1
  24 # define WCHAR_MAX      CHAR_MAX
  25 #elif __WCHAR_TYPE__ == 2
  26 # define WCHAR_MAX      SHRT_MAX
  27 #elif __WCHAR_TYPE__ == 3
  28 # define WCHAR_MAX      LONG_MAX
  29 #else
  30 # error wacky wchar_t
  31 #endif
  32
  33 #endif
  34
  35 #undef unsigned
  36 #undef int
  37 #undef char
  38 #undef short
  39 #undef long
  40
  41 #if L'\u1234' != 0x1234
  42 #error bad short ucs    /* { dg-bogus "bad" "bad u1234 evaluation" } */
  43 #endif
  44
  45 #if WCHAR_MAX >= 0x7ffffff
  46 # if L'\U1234abcd' != 0x1234abcd /* { dg-warning "outside" "" { xfail powerpc-ibm-aix* } } */
  47 #  error bad long ucs   /* { dg-bogus "bad" "bad U1234abcd evaluation" } */
  48 # endif
  49 #endif
  50
  51 void foo ()
  52 {
  53   int c;
  54
  55   c = L'\ubad';         /* { dg-error "incomplete" "incomplete UCN 1" } */
  56   c = L"\U1234"[0];     /* { dg-error "incomplete" "incomplete UCN 2" } */
  57
  58   c = L'\u000x';        /* { dg-error "incomplete" "non-hex digit in UCN" } */
  59   /* If sizeof(HOST_WIDE_INT) > sizeof(wchar_t), we can get a multi-character
  60      constant warning even for wide characters.  */
  61   /* { dg-warning "too long|multi-character" "" { target *-*-* } .-3 } */
  62
  63   c = '\u0024';         /* { dg-bogus "invalid" "0024 is a valid UCN" } */
  64   c = "\u0040"[0];      /* { dg-bogus "invalid" "0040 is a valid UCN" } */
  65   c = L'\u00a0';        /* { dg-bogus "invalid" "00a0 is a valid UCN" } */
  66   c = '\U00000060';     /* { dg-bogus "invalid" "0060 is a valid UCN" } */
  67
  68   c = '\u0025';         /* { dg-error "not a valid" "0025 invalid UCN" } */
  69   c = L"\uD800"[0];     /* { dg-error "not a valid" "D800 invalid UCN" } */
  70   c = L'\U0000DFFF';    /* { dg-error "not a valid" "DFFF invalid UCN" } */
  71
  72   c = L'\U00110000';    /* { dg-warning "outside|Invalid" "110000 outside UCS" } */
  73 }