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import unittest
import os
import tempfile
import py3kcompat as py3k
from PySide.QtCore import QFile, QIODevice
class GetCharTest(unittest.TestCase):
'''Test case for QIODevice.getChar in QFile'''
def setUp(self):
'''Acquire resources'''
handle, self.filename = tempfile.mkstemp()
os.write(handle, py3k.b('a'))
os.close(handle)
def tearDown(self):
'''release resources'''
os.remove(self.filename)
def testBasic(self):
'''QFile.getChar'''
obj = QFile(self.filename)
obj.open(QIODevice.ReadOnly)
self.assertEqual(obj.getChar(), (True, 'a'))
self.assertFalse(obj.getChar()[0])
obj.close()
def testBug721(self):
obj = QFile(self.filename)
obj.open(QIODevice.ReadOnly)
memory = obj.map(0, 1)
self.assertEqual(len(memory), 1)
self.assertEqual(memory[0], py3k.b('a'))
obj.unmap(memory)
# now memory points to wild bytes... :-)
# uncommenting this must cause a segfault.
# self.assertEqual(memory[0], 'a')
if __name__ == '__main__':
unittest.main()
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