Merge in branch-1_29.

tests/regression.at

@@ -1,11 +1,22 @@
-#                                                        -*- Autoconf -*-
+# Bison Regressions.                               -*- Autotest -*-
+# Copyright 2001 Free Software Foundation, Inc.
 
-cat <<EOF
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
 
-Regression tests.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 
-EOF
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
 
+AT_BANNER([[Regression tests.]])
 
 ## ------------------ ##
 ## Duplicate string.  ##
@@ -53,3 +64,68 @@ exp: {};
 AT_CHECK([bison --defines union.y])
 
 AT_CLEANUP([union.*])
+
+
+## --------------------------------------- ##
+## Duplicate '/' in C comments in %union   ##
+## --------------------------------------- ##
+
+
+AT_SETUP([%union and C comments])
+
+AT_DATA([union-comment.y],
+[%union
+{
+  /* The int.  */	int   integer;
+  /* The string.  */	char *string ;
+}
+%%
+exp: {};
+])
+
+AT_CHECK([bison union-comment.y])
+AT_CHECK([fgrep '//*' union-comment.tab.c], [1], [])
+
+AT_CLEANUP([union-comment.*])
+
+
+## --------------- ##
+## invalid input.  ##
+## --------------- ##
+
+
+AT_SETUP([Invalid input])
+
+AT_DATA([input.y],
+[[%%
+?
+]])
+
+AT_CHECK([bison input.y], [1], [],
+[input.y:2: invalid input: `?'
+input.y:3: fatal error: no rules in the input grammar
+])
+
+AT_CLEANUP
+
+
+## --------------------- ##
+## Invalid CPP headers.  ##
+## --------------------- ##
+
+AT_SETUP([Invalid CPP headers])
+
+mkdir input
+
+AT_DATA([input/input.y],
+[%%
+dummy:
+])
+
+AT_CHECK([bison --defines input/input.y])
+
+AT_CHECK([sed 1q input/input.tab.h], 0,
+[[#ifndef INPUT_INPUT_TAB_H
+]])
+
+AT_CLEANUP(input)