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-rw-r--r--tests/basics/bool1.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/basics/bool1.py b/tests/basics/bool1.py
index 99bd837927..35d9ed8ccc 100644
--- a/tests/basics/bool1.py
+++ b/tests/basics/bool1.py
@@ -9,3 +9,9 @@ print(False or True)
# unary operators
print(+True)
print(-True)
+
+# unsupported unary op
+try:
+ len(False)
+except TypeError:
+ print('TypeError')