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 21It relies on the fact that even when preprocessing C we bother to separate 22the colons of C++'s :: operator. If we confine this behavior to C++ 23in 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 \\\." } } */ 30