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Issue #20424: Python implementation of io.StringIO now supports lone surrogates.

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This commit is contained in:
Serhiy Storchaka 2014-01-29 11:45:31 +02:00
commit 9f2e46de34
3 changed files with 12 additions and 1 deletions
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9
Lib/test/test_memoryio.py
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@ -609,6 +609,15 @@ class PyStringIOTest(MemoryTestMixin, MemorySeekTestMixin,
UnsupportedOperation = pyio.UnsupportedOperation
EOF = ""
def test_lone_surrogates(self):
# Issue #20424
memio = self.ioclass('\ud800')
self.assertEqual(memio.read(), '\ud800')
memio = self.ioclass()
memio.write('\ud800')
self.assertEqual(memio.getvalue(), '\ud800')
class PyStringIOPickleTest(TextIOTestMixin, unittest.TestCase):
"""Test if pickle restores properly the internal state of StringIO.