1  /* Copyright (C) 2001, 2003 Free Software Foundation, Inc.  */
       2  
       3  /* { dg-do preprocess } */
       4  /* { dg-options "-ansi" } */
       5  
       6  /* This tests that we avoid accidental pasting only before and after
       7     macros and arguments, and not when the tokens are already pasted
       8     in the souce file (e.g. "::" in a C source file).
       9  
      10     Neil Booth, 28 Jan 2001.  */
      11  
      12  #define f(x) x
      13  #define g
      14  #define tricky 1.0e ## -1
      15  
      16  /* This should preprocess as
      17  
      18  :: : : : : :^: 1.0e- 1
      19  : : : .. . 0 0 .
      20  
      21  It relies on the fact that even when preprocessing C we bother to separate
      22  the colons of C++'s :: operator.  If we confine this behavior to C++
      23  in future, this test needs to change.  */
      24  
      25  :: :g: :f(): :f(^): tricky
      26  :f(:): .. .__INCLUDE_LEVEL__ __INCLUDE_LEVEL__. /* Check builtins, too.  */
      27  
      28  /* { dg-final { scan-file avoidpaste1.i ":: : : : : :\\^: 1.0e- 1" } }
      29     { dg-final { scan-file avoidpaste1.i ": : : \\\.\\\. \\\. 0 0 \\\." } } */