gcc/testsuite/gcc.dg/utf-cvt.c

   1 /* Contributed by Kris Van Hees <kris.van.hees@oracle.com> */
   2 /* Test the char16_t and char32_t promotion rules. */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=gnu99 -Wall -Wconversion -Wsign-conversion" } */
   5
   6 typedef short unsigned int      char16_t;
   7 typedef unsigned int            char32_t;
   8
   9 extern void f_c (char);
  10 extern void fsc (signed char);
  11 extern void fuc (unsigned char);
  12 extern void f_s (short);
  13 extern void fss (signed short);
  14 extern void fus (unsigned short);
  15 extern void f_i (int);
  16 extern void fsi (signed int);
  17 extern void fui (unsigned int);
  18 extern void f_l (long);
  19 extern void fsl (signed long);
  20 extern void ful (unsigned long);
  21 extern void f_ll (long long);
  22 extern void fsll (signed long long);
  23 extern void full (unsigned long long);
  24
  25 void m (char16_t c0, char32_t c1)
  26 {
  27     f_c (c0);   /* { dg-warning "alter its value" } */
  28     fsc (c0);   /* { dg-warning "alter its value" } */
  29     fuc (c0);   /* { dg-warning "alter its value" } */
  30     f_s (c0);   /* { dg-warning "change the sign" } */
  31     fss (c0);   /* { dg-warning "change the sign" } */
  32     fus (c0);
  33     f_i (c0);
  34     fsi (c0);
  35     fui (c0);
  36     f_l (c0);
  37     fsl (c0);
  38     ful (c0);
  39     f_ll (c0);
  40     fsll (c0);
  41     full (c0);
  42
  43     f_c (c1);   /* { dg-warning "alter its value" } */
  44     fsc (c1);   /* { dg-warning "alter its value" } */
  45     fuc (c1);   /* { dg-warning "alter its value" } */
  46     f_s (c1);   /* { dg-warning "alter its value" } */
  47     fss (c1);   /* { dg-warning "alter its value" } */
  48     fus (c1);   /* { dg-warning "alter its value" } */
  49     f_i (c1);   /* { dg-warning "change the sign" } */
  50     fsi (c1);   /* { dg-warning "change the sign" } */
  51     fui (c1);
  52     f_l (c1);   /* { dg-warning "change the sign" "" { target { ilp32 } } } */
  53     fsl (c1);   /* { dg-warning "change the sign" "" { target { ilp32 } } } */
  54     ful (c1);
  55     f_ll (c1);
  56     fsll (c1);
  57     full (c1);
  58 }