gcc/testsuite/gcc.dg/cpp/unc4.c

   1 /* { dg-do preprocess } */
   2 /* { dg-options "-fno-show-column" } */
   3
   4 /* Tests for un-terminated conditional diagnostics.
   5    Copyright (c) 1999 Free Software Foundation.
   6    Contributed by Zack Weinberg, who made it up all by himself.  */
   7
   8 #endif /* { dg-error "#endif" "#endif without #if" } */
   9
  10 #else  /* { dg-error "#else" "#else without #if" } */
  11 #endif /* { dg-error "#endif" "#endif after #else without #if" } */
  12
  13 #elif 0 /* { dg-error "#elif" "#elif without #if" } */
  14 #endif  /* { dg-error "#endif" "#endif after #else without #if" } */
  15
  16 #if 1  /* { dg-bogus "unterminated" "terminated true conditional" } */
  17 blah
  18 #endif
  19
  20 #if 0  /* { dg-bogus "unterminated" "terminated false conditional" } */
  21 ignored
  22 #endif
  23
  24 /* We shouldn't see unbalanced conditionals inside #if'ed out #includes.  */
  25 #if 0
  26 #include "unc1.c"
  27 #endif
  28
  29 /* The ifdef below should not get an error just because there's a bad if
  30    inside the included file.
  31    The odd dg-error tag on the include matches the "In file included from"
  32    message.  */
  33 #define FOO
  34 #ifdef FOO  /* { dg-bogus "unterminated" "nested unterm" } */
  35 #include "unc1.c"  /* { dg-error "" } */
  36 #endif
  37
  38 /* dg.exp doesn't read the included files for tags, so we have to
  39    do them explicitly here.  */
  40 /* { dg-error "#if" "unc1.c: unterminated #if" { target *-*-* } 4 } */