1 files changed, 29 insertions, 0 deletions
diff --git a/ext/ply/test/lex_token_dup.py b/ext/ply/test/lex_token_dup.py
new file mode 100644
index 000000000..384f4e9db
--- /dev/null
+++ b/ext/ply/test/lex_token_dup.py
@@ -0,0 +1,29 @@
+# lex_token_dup.py
+#
+# Duplicate token name in tokens
+
+import sys
+if ".." not in sys.path: sys.path.insert(0,"..")
+
+import ply.lex as lex
+
+tokens = [
+    "PLUS",
+    "MINUS",
+    "NUMBER",
+    "MINUS"
+    ]
+
+t_PLUS = r'\+'
+t_MINUS = r'-'
+
+def t_NUMBER(t):
+    r'\d+'
+    return t
+
+def t_error(t):
+    pass
+
+lex.lex()
+
+