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Fix failing test on big-endian machines (issue #13806).

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This commit is contained in:
Antoine Pitrou 2012-02-04 16:44:21 +01:00
parent f51ebf94bb
commit f99f3339fd
1 changed files with 23 additions and 8 deletions
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31
Lib/test/test_audioop.py
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@ -2,18 +2,19 @@ import audioop
import unittest
from test.support import run_unittest
endian = 'big' if audioop.getsample(b'\0\1', 2, 0) == 1 else 'little'
def gendata1():
return b'\0\1\2'
def gendata2():
if audioop.getsample(b'\0\1', 2, 0) == 1:
if endian == 'big':
return b'\0\0\0\1\0\2'
else:
return b'\0\0\1\0\2\0'
def gendata4():
if audioop.getsample(b'\0\0\0\1', 4, 0) == 1:
if endian == 'big':
return b'\0\0\0\0\0\0\0\1\0\0\0\2'
else:
return b'\0\0\0\0\1\0\0\0\2\0\0\0'
@ -111,9 +112,16 @@ class TestAudioop(unittest.TestCase):
# Cursory
d = audioop.lin2alaw(data[0], 1)
self.assertEqual(audioop.alaw2lin(d, 1), data[0])
self.assertEqual(audioop.alaw2lin(d, 2), b'\x08\x00\x08\x01\x10\x02')
self.assertEqual(audioop.alaw2lin(d, 4),
b'\x00\x00\x08\x00\x00\x00\x08\x01\x00\x00\x10\x02')
if endian == 'big':
self.assertEqual(audioop.alaw2lin(d, 2),
b'\x00\x08\x01\x08\x02\x10')
self.assertEqual(audioop.alaw2lin(d, 4),
b'\x00\x08\x00\x00\x01\x08\x00\x00\x02\x10\x00\x00')
else:
self.assertEqual(audioop.alaw2lin(d, 2),
b'\x08\x00\x08\x01\x10\x02')
self.assertEqual(audioop.alaw2lin(d, 4),
b'\x00\x00\x08\x00\x00\x00\x08\x01\x00\x00\x10\x02')
def test_lin2ulaw(self):
self.assertEqual(audioop.lin2ulaw(data[0], 1), b'\xff\xe7\xdb')
@ -124,9 +132,16 @@ class TestAudioop(unittest.TestCase):
# Cursory
d = audioop.lin2ulaw(data[0], 1)
self.assertEqual(audioop.ulaw2lin(d, 1), data[0])
self.assertEqual(audioop.ulaw2lin(d, 2), b'\x00\x00\x04\x01\x0c\x02')
self.assertEqual(audioop.ulaw2lin(d, 4),
b'\x00\x00\x00\x00\x00\x00\x04\x01\x00\x00\x0c\x02')
if endian == 'big':
self.assertEqual(audioop.ulaw2lin(d, 2),
b'\x00\x00\x01\x04\x02\x0c')
self.assertEqual(audioop.ulaw2lin(d, 4),
b'\x00\x00\x00\x00\x01\x04\x00\x00\x02\x0c\x00\x00')
else:
self.assertEqual(audioop.ulaw2lin(d, 2),
b'\x00\x00\x04\x01\x0c\x02')
self.assertEqual(audioop.ulaw2lin(d, 4),
b'\x00\x00\x00\x00\x00\x00\x04\x01\x00\x00\x0c\x02')
def test_mul(self):
data2 = []