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Diffstat (limited to 'tests/io/file_readinto.py')
| -rw-r--r-- | tests/io/file_readinto.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/io/file_readinto.py b/tests/io/file_readinto.py index 7a0603377..cbefc6e04 100644 --- a/tests/io/file_readinto.py +++ b/tests/io/file_readinto.py @@ -5,3 +5,10 @@ print(b) f = open("io/data/file2", "rb") print(f.readinto(b)) print(b) + +# readinto() on writable file +f = open('io/data/file1', 'ab') +try: + f.readinto(bytearray(4)) +except OSError: + print('OSError') |