1 files changed, 24 insertions, 0 deletions
diff --git a/tests/lex_rule1.py b/tests/lex_rule1.py
new file mode 100644
index 0000000..ae279e9
--- /dev/null
+++ b/tests/lex_rule1.py
@@ -0,0 +1,24 @@
+# lex_rule1.py
+#
+# Rule function with incorrect number of arguments
+
+import ply.lex as lex
+
+tokens = [
+    "PLUS",
+    "MINUS",
+    "NUMBER",
+    ]
+
+t_PLUS = r'\+'
+t_MINUS = r'-'
+t_NUMBER = 1
+
+def t_error(t):
+    pass
+
+
+
+lex.lex()
+
+