gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/escape-2.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-pedantic -std=c99 -fno-show-column" } */
   5
   6 /* This tests various diagnostics with -pedantic about escape
   7    sequences, for both the preprocessor and the compiler.
   8
   9    Neil Booth, 22 May 2001.  */
  10
  11 #if '\e'                /* { dg-warning "non-ISO" "non-ISO \\e" } */
  12 #endif
  13 #if L'\u00a0'           /* { dg-bogus "unknown" "\\u is known in C99" } */
  14 #endif
  15
  16 void foo ()
  17 {
  18   int c = '\E';         /* { dg-warning "non-ISO" "non-ISO \\E" } */
  19   c = L'\u00a0';        /* { dg-bogus "unknown" "\\u is known in C99" } */
  20 }