28 lines
850 B
Python
28 lines
850 B
Python
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import unittest
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# Python 2/3 compatibility.
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from six import indexbytes, text_type
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from Xlib.protocol.display import bytesview
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class BytesViewTest(unittest.TestCase):
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def test(self):
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with self.assertRaises(TypeError):
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bytesview(text_type('foobar'))
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data = b'0123456789ABCDEF'
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view = bytesview(data)
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self.assertEqual(len(view), 16)
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self.assertEqual(view[:], data)
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self.assertIsInstance(view[:], bytes)
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self.assertEqual(view[5:-6], b'56789')
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self.assertEqual(indexbytes(view, 7), ord('7'))
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view = bytesview(view, 5)
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self.assertEqual(view[:], b'56789ABCDEF')
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self.assertEqual(indexbytes(view, 4), ord('9'))
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view = bytesview(view, 0, 5)
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self.assertEqual(view[:], b'56789')
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self.assertEqual(indexbytes(view, 1), ord('6'))
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