1  /* Test that whitespace in arguments is preserved, and that each
       2     newline in macro arguments become a space.  */
       3  
       4  /* { dg-do run } */
       5  
       6  #define f(x, y) "x y"
       7  #define g(x) x
       8  
       9  extern void abort (void);
      10  extern int strcmp (const char *, const char *);
      11  
      12  void testquoting ()
      13  {
      14    const char *str1 = f("a", "\"a\"");
      15    const char *str2 = f( \t, " \t");
      16  
      17    if (strcmp (str1, "\"a\"  \"\\\"a\\\"\""))
      18      abort ();
      19    if (strcmp (str2, " \t  \" \\t\""))
      20      abort ();
      21  }
      22  
      23  int main ()
      24  {
      25    const char *str1 = f( foo ,bar);
      26    const char *str2 = f(
      27  foo
      28  ,bar);
      29  
      30    if (strcmp (str1, " foo  bar"))
      31      abort ();
      32  
      33    if (strcmp (str1, str2))
      34      abort ();
      35  
      36    /* Verify that quoted state is preserved over a newline.  */
      37    if (strcmp (g /* { dg-bogus "unterminated 2" } */ ("1
      38  , 2"), "1 , 2"))	
      39      abort ();
      40  
      41    testquoting ();
      42  
      43    return 0;
      44  }