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author | Serhiy Storchaka <storchaka@gmail.com> | 2014-01-29 09:49:13 (GMT) |
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committer | Serhiy Storchaka <storchaka@gmail.com> | 2014-01-29 09:49:13 (GMT) |
commit | 47cb38cdcc3e16d77ecc9808ad669181ce54b246 (patch) | |
tree | 5b358ae6b4e51a19f653c7e0815b12b91343807f | |
parent | 162527244412e8bf51f40aaa6c3d9721326c785a (diff) | |
download | cpython-47cb38cdcc3e16d77ecc9808ad669181ce54b246.zip cpython-47cb38cdcc3e16d77ecc9808ad669181ce54b246.tar.gz cpython-47cb38cdcc3e16d77ecc9808ad669181ce54b246.tar.bz2 |
Backported a test for lone surrogates support in io.StringIO.
-rw-r--r-- | Lib/test/test_memoryio.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py index c3d559d..f6aef4e 100644 --- a/Lib/test/test_memoryio.py +++ b/Lib/test/test_memoryio.py @@ -588,6 +588,16 @@ class PyStringIOTest(MemoryTestMixin, MemorySeekTestMixin, UnsupportedOperation = pyio.UnsupportedOperation EOF = "" + def test_lone_surrogates(self): + # Issue #20424 + surrogate = unichr(0xd800) + memio = self.ioclass(surrogate) + self.assertEqual(memio.read(), surrogate) + + memio = self.ioclass() + memio.write(surrogate) + self.assertEqual(memio.getvalue(), surrogate) + class PyStringIOPickleTest(TextIOTestMixin, unittest.TestCase): """Test if pickle restores properly the internal state of StringIO. |