Fix failing test on big-endian machines (issue #13806).
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@ -2,18 +2,19 @@ import audioop
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import unittest
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from test.support import run_unittest
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endian = 'big' if audioop.getsample(b'\0\1', 2, 0) == 1 else 'little'
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def gendata1():
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return b'\0\1\2'
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def gendata2():
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if audioop.getsample(b'\0\1', 2, 0) == 1:
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if endian == 'big':
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return b'\0\0\0\1\0\2'
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else:
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return b'\0\0\1\0\2\0'
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def gendata4():
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if audioop.getsample(b'\0\0\0\1', 4, 0) == 1:
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if endian == 'big':
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return b'\0\0\0\0\0\0\0\1\0\0\0\2'
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else:
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return b'\0\0\0\0\1\0\0\0\2\0\0\0'
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@ -111,9 +112,16 @@ class TestAudioop(unittest.TestCase):
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# Cursory
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d = audioop.lin2alaw(data[0], 1)
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self.assertEqual(audioop.alaw2lin(d, 1), data[0])
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self.assertEqual(audioop.alaw2lin(d, 2), b'\x08\x00\x08\x01\x10\x02')
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self.assertEqual(audioop.alaw2lin(d, 4),
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b'\x00\x00\x08\x00\x00\x00\x08\x01\x00\x00\x10\x02')
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if endian == 'big':
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self.assertEqual(audioop.alaw2lin(d, 2),
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b'\x00\x08\x01\x08\x02\x10')
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self.assertEqual(audioop.alaw2lin(d, 4),
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b'\x00\x08\x00\x00\x01\x08\x00\x00\x02\x10\x00\x00')
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else:
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self.assertEqual(audioop.alaw2lin(d, 2),
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b'\x08\x00\x08\x01\x10\x02')
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self.assertEqual(audioop.alaw2lin(d, 4),
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b'\x00\x00\x08\x00\x00\x00\x08\x01\x00\x00\x10\x02')
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def test_lin2ulaw(self):
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self.assertEqual(audioop.lin2ulaw(data[0], 1), b'\xff\xe7\xdb')
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@ -124,9 +132,16 @@ class TestAudioop(unittest.TestCase):
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# Cursory
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d = audioop.lin2ulaw(data[0], 1)
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self.assertEqual(audioop.ulaw2lin(d, 1), data[0])
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self.assertEqual(audioop.ulaw2lin(d, 2), b'\x00\x00\x04\x01\x0c\x02')
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self.assertEqual(audioop.ulaw2lin(d, 4),
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b'\x00\x00\x00\x00\x00\x00\x04\x01\x00\x00\x0c\x02')
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if endian == 'big':
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self.assertEqual(audioop.ulaw2lin(d, 2),
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b'\x00\x00\x01\x04\x02\x0c')
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self.assertEqual(audioop.ulaw2lin(d, 4),
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b'\x00\x00\x00\x00\x01\x04\x00\x00\x02\x0c\x00\x00')
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else:
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self.assertEqual(audioop.ulaw2lin(d, 2),
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b'\x00\x00\x04\x01\x0c\x02')
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self.assertEqual(audioop.ulaw2lin(d, 4),
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b'\x00\x00\x00\x00\x00\x00\x04\x01\x00\x00\x0c\x02')
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def test_mul(self):
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data2 = []
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