1 files changed, 25 insertions, 0 deletions
diff --git a/ext/ply/test/lex_error4.py b/ext/ply/test/lex_error4.py
new file mode 100644
index 000000000..d777fee84
--- /dev/null
+++ b/ext/ply/test/lex_error4.py
@@ -0,0 +1,25 @@
+# lex_token.py
+#
+# t_error defined as function, but too many args
+
+import lex
+
+tokens = [
+    "PLUS",
+    "MINUS",
+    "NUMBER",
+    ]
+
+t_PLUS = r'\+'
+t_MINUS = r'-'
+t_NUMBER = r'\d+'
+
+def t_error(t,s):
+    pass
+
+import sys
+sys.tracebacklimit = 0
+
+lex.lex()
+
+