YYFAIL: warn about uses and remove from lalr1.java.

[bison.git] / tests / conflicts.at

diff --git a/tests/conflicts.at b/tests/conflicts.at
index bcc13bb4fb6f05042369f2735f549b4121b69cbf..6fefea05a4721655cd2226ec19b0ded3a3e68625 100644 (file)
--- a/tests/conflicts.at
+++ b/tests/conflicts.at
@@ -112,6 +112,29 @@ AT_PARSER_CHECK([./input '0<0>0'], [1], [],
          [syntax error, unexpected '>'
 ])
 
          [syntax error, unexpected '>'
 ])
 

+# We must disable default reductions in inconsistent states in order to
+# have an explicit list of all expected tokens.  (However, unless we use
+# canonical LR, lookahead sets are merged for different left contexts,
+# so it is still possible to have extra incorrect tokens in the expected
+# list.  That just doesn't happen to be a problem for this test case.)
+
+AT_BISON_CHECK([-Dlr.default-reductions=consistent -o input.c input.y])
+AT_COMPILE([input])
+
+AT_PARSER_CHECK([./input '0<0'])
+AT_PARSER_CHECK([./input '0<0<0'], [1], [],
+         [syntax error, unexpected '<', expecting $end
+])
+
+AT_PARSER_CHECK([./input '0>0'])
+AT_PARSER_CHECK([./input '0>0>0'], [1], [],
+         [syntax error, unexpected '>', expecting $end
+])
+
+AT_PARSER_CHECK([./input '0<0>0'], [1], [],
+         [syntax error, unexpected '>', expecting $end
+])
+

 AT_CLEANUP
 
 
 AT_CLEANUP