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Diffstat (limited to 'tests/basics/deque1.py')
| -rw-r--r-- | tests/basics/deque1.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/basics/deque1.py b/tests/basics/deque1.py index 6b5669c45..19966fcb0 100644 --- a/tests/basics/deque1.py +++ b/tests/basics/deque1.py @@ -55,6 +55,12 @@ d.append(4) d.append(5) print(d.popleft(), d.popleft()) +# Negative maxlen is not allowed +try: + deque((), -1) +except ValueError: + print("ValueError") + # Unsupported unary op try: ~d |