1 files changed, 16 insertions, 0 deletions
diff --git a/Lib/dos-8x3/test_com.py b/Lib/dos-8x3/test_com.py
new file mode 100644
index 0000000000..8905864a91
--- /dev/null
+++ b/Lib/dos-8x3/test_com.py
@@ -0,0 +1,16 @@
+from test_support import verbose, TestFailed
+
+if verbose:
+    print 'Running test on duplicate arguments'
+
+try:
+    exec('def f(a, a): pass')
+    raise TestFailed, "duplicate arguments"
+except SyntaxError:
+    pass
+
+try:
+    exec('def f(a = 0, a = 1): pass')
+    raise TestFailed, "duplicate keyword arguments"
+except SyntaxError:
+    pass