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48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Picard, the next-generation MusicBrainz tagger
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#
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# Copyright (C) 2021 Laurent Monin
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# Copyright (C) 2021 Philipp Wolfer
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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from io import BytesIO
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from test.picardtestcase import PicardTestCase
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from picard.util.bitreader import (
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LSBBitReader,
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MSBBitReader,
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)
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class LsbBitReaderTest(PicardTestCase):
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def test_msb_bit_reader(self):
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data = BytesIO(b'\x8B\xC0\x17\x10')
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reader = MSBBitReader(data)
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self.assertEqual(8944, reader.bits(14))
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self.assertEqual(369, reader.bits(14))
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self.assertEqual(0, reader.bits(4))
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def test_lsb_bit_reader(self):
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data = BytesIO(b'\x8B\xC0\x17\x10')
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reader = LSBBitReader(data)
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self.assertEqual(139, reader.bits(14))
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self.assertEqual(95, reader.bits(14))
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self.assertEqual(1, reader.bits(4))
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