gcc/testsuite/gcc.dg/cpp/paste11.c

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4
   5 /* Test correct pasting of identifiers and numbers.  We can paste any
   6    number, as long as no '.', '-' or '+' appears in its spelling.  */
   7
   8 #define glue(x, y) x ## y
   9
  10 glue (ident, 12)                /* OK.  */
  11 glue (ident, 12e3)              /* OK.  */
  12 glue (ident, 12e+3)             /* { dg-warning "valid preprocessing tok" } */
  13 glue (ident, 12e-3)             /* { dg-warning "valid preprocessing tok" } */
  14 glue (ident, 1.2)               /* { dg-warning "valid preprocessing tok" } */
  15 glue (ident, .12)               /* { dg-warning "valid preprocessing tok" } */