gcc/testsuite/gcc.dg/c2x-digit-separators-2.c

   1 /* Test C2x digit separators.  Invalid usages.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c2x -pedantic-errors" } */
   4
   5 void
   6 tf (void)
   7 {
   8   int i;
   9   i = 1''2; /* { dg-error "adjacent digit separators" } */
  10   i = 0x'0; /* { dg-error "digit separator after base indicator" } */
  11   i = 0X'1; /* { dg-error "digit separator after base indicator" } */
  12   i = 0b'0; /* { dg-error "digit separator after base indicator" } */
  13   i = 0B'1; /* { dg-error "digit separator after base indicator" } */
  14   i = 1'u; /* { dg-error "digit separator outside digit sequence" } */
  15   float f = 1.2e-3'f; /* { dg-error "digit separator outside digit sequence" } */
  16   i = 1'2'3'; /* { dg-error "12:missing terminating" } */
  17   ;
  18   double d;
  19   d = 1'.2'3e-4; /* { dg-warning "multi-character" } */
  20   /* { dg-error "expected" "parse error" { target *-*-* } .-1 } */
  21   d = 1.2''3; /* { dg-error "adjacent digit separators" } */
  22   d = 1.23e-4''5; /* { dg-error "adjacent digit separators" } */
  23   d = 1.2'3e-4'5'; /* { dg-error "17:missing terminating" } */
  24   /* { dg-error "expected" "parse error" { target *-*-* } .-1 } */
  25 }