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| author | Jesus Cea <jcea@jcea.es> | 2012-09-09 22:27:55 (GMT) |
|---|---|---|
| committer | Jesus Cea <jcea@jcea.es> | 2012-09-09 22:27:55 (GMT) |
| commit | 941bfcc537a25077e2a73ddf8d8b3bfe288c81f4 (patch) | |
| tree | aecc62becfac5c8a9592e021e60be2f3ec862620 /Lib | |
| parent | 7330da42978ffcde525295ffc928ee3e0eedfb1b (diff) | |
| download | cpython-941bfcc537a25077e2a73ddf8d8b3bfe288c81f4.zip cpython-941bfcc537a25077e2a73ddf8d8b3bfe288c81f4.tar.gz cpython-941bfcc537a25077e2a73ddf8d8b3bfe288c81f4.tar.bz2 | |
Closes #15676: mmap: add empty file check prior to offset check
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_mmap.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py index 0e18aab..c060e61 100644 --- a/Lib/test/test_mmap.py +++ b/Lib/test/test_mmap.py @@ -459,6 +459,15 @@ class MmapTests(unittest.TestCase): f.flush () return mmap.mmap (f.fileno(), 0) + def test_empty_file (self): + f = open (TESTFN, 'w+b') + f.close() + f = open(TESTFN, "rb") + self.assertRaisesRegex(ValueError, + "cannot mmap an empty file", + mmap.mmap, f.fileno(), 0, access=mmap.ACCESS_READ) + f.close() + def test_offset (self): f = open (TESTFN, 'w+b') |