cpython/Lib/test/test_audioop.py

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# Test audioop.
import audioop
from test.support import verbose
def gendata1():
return b'\0\1\2'
def gendata2():
if verbose:
print('getsample')
if audioop.getsample(b'\0\1', 2, 0) == 1:
return b'\0\0\0\1\0\2'
else:
return b'\0\0\1\0\2\0'
def gendata4():
if verbose:
print('getsample')
if audioop.getsample(b'\0\0\0\1', 4, 0) == 1:
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'
def testmax(data):
if verbose:
print('max')
if audioop.max(data[0], 1) != 2 or \
audioop.max(data[1], 2) != 2 or \
audioop.max(data[2], 4) != 2:
return 0
return 1
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def testminmax(data):
if verbose:
print('minmax')
if audioop.minmax(data[0], 1) != (0, 2) or \
audioop.minmax(data[1], 2) != (0, 2) or \
audioop.minmax(data[2], 4) != (0, 2):
return 0
return 1
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def testmaxpp(data):
if verbose:
print('maxpp')
if audioop.maxpp(data[0], 1) != 0 or \
audioop.maxpp(data[1], 2) != 0 or \
audioop.maxpp(data[2], 4) != 0:
return 0
return 1
def testavg(data):
if verbose:
print('avg')
if audioop.avg(data[0], 1) != 1 or \
audioop.avg(data[1], 2) != 1 or \
audioop.avg(data[2], 4) != 1:
return 0
return 1
def testavgpp(data):
if verbose:
print('avgpp')
if audioop.avgpp(data[0], 1) != 0 or \
audioop.avgpp(data[1], 2) != 0 or \
audioop.avgpp(data[2], 4) != 0:
return 0
return 1
def testrms(data):
if audioop.rms(data[0], 1) != 1 or \
audioop.rms(data[1], 2) != 1 or \
audioop.rms(data[2], 4) != 1:
return 0
return 1
def testcross(data):
if verbose:
print('cross')
if audioop.cross(data[0], 1) != 0 or \
audioop.cross(data[1], 2) != 0 or \
audioop.cross(data[2], 4) != 0:
return 0
return 1
def testadd(data):
if verbose:
print('add')
data2 = []
for d in data:
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str = bytearray(len(d))
for i,b in enumerate(d):
str[i] = 2*b
data2.append(str)
if audioop.add(data[0], data[0], 1) != data2[0] or \
audioop.add(data[1], data[1], 2) != data2[1] or \
audioop.add(data[2], data[2], 4) != data2[2]:
return 0
return 1
def testbias(data):
if verbose:
print('bias')
# Note: this test assumes that avg() works
d1 = audioop.bias(data[0], 1, 100)
d2 = audioop.bias(data[1], 2, 100)
d4 = audioop.bias(data[2], 4, 100)
if audioop.avg(d1, 1) != 101 or \
audioop.avg(d2, 2) != 101 or \
audioop.avg(d4, 4) != 101:
return 0
return 1
def testlin2lin(data):
if verbose:
print('lin2lin')
# too simple: we test only the size
for d1 in data:
for d2 in data:
got = len(d1)//3
wtd = len(d2)//3
if len(audioop.lin2lin(d1, got, wtd)) != len(d2):
return 0
return 1
def testadpcm2lin(data):
# Very cursory test
if audioop.adpcm2lin(b'\0\0', 1, None) != (b'\0\0\0\0', (0,0)):
return 0
return 1
def testlin2adpcm(data):
if verbose:
print('lin2adpcm')
# Very cursory test
if audioop.lin2adpcm(b'\0\0\0\0', 1, None) != (b'\0\0', (0,0)):
return 0
return 1
def testlin2alaw(data):
if verbose:
print('lin2alaw')
if audioop.lin2alaw(data[0], 1) != b'\xd5\xc5\xf5' or \
audioop.lin2alaw(data[1], 2) != b'\xd5\xd5\xd5' or \
audioop.lin2alaw(data[2], 4) != b'\xd5\xd5\xd5':
return 0
return 1
def testalaw2lin(data):
if verbose:
print('alaw2lin')
# Cursory
d = audioop.lin2alaw(data[0], 1)
if audioop.alaw2lin(d, 1) != data[0]:
return 0
return 1
def testlin2ulaw(data):
if verbose:
print('lin2ulaw')
if audioop.lin2ulaw(data[0], 1) != b'\xff\xe7\xdb' or \
audioop.lin2ulaw(data[1], 2) != b'\xff\xff\xff' or \
audioop.lin2ulaw(data[2], 4) != b'\xff\xff\xff':
return 0
return 1
def testulaw2lin(data):
if verbose:
print('ulaw2lin')
# Cursory
d = audioop.lin2ulaw(data[0], 1)
if audioop.ulaw2lin(d, 1) != data[0]:
return 0
return 1
def testmul(data):
if verbose:
print('mul')
data2 = []
for d in data:
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str = bytearray(len(d))
for i,b in enumerate(d):
str[i] = 2*b
data2.append(str)
if audioop.mul(data[0], 1, 2) != data2[0] or \
audioop.mul(data[1],2, 2) != data2[1] or \
audioop.mul(data[2], 4, 2) != data2[2]:
return 0
return 1
def testratecv(data):
if verbose:
print('ratecv')
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state = None
d1, state = audioop.ratecv(data[0], 1, 1, 8000, 16000, state)
d2, state = audioop.ratecv(data[0], 1, 1, 8000, 16000, state)
if d1 + d2 != b'\000\000\001\001\002\001\000\000\001\001\002':
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return 0
return 1
def testreverse(data):
if verbose:
print('reverse')
if audioop.reverse(data[0], 1) != b'\2\1\0':
return 0
return 1
def testtomono(data):
if verbose:
print('tomono')
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data2 = bytearray()
for d in data[0]:
data2.append(d)
data2.append(d)
if audioop.tomono(data2, 1, 0.5, 0.5) != data[0]:
return 0
return 1
def testtostereo(data):
if verbose:
print('tostereo')
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data2 = bytearray()
for d in data[0]:
data2.append(d)
data2.append(d)
if audioop.tostereo(data[0], 1, 1, 1) != data2:
return 0
return 1
def testfindfactor(data):
if verbose:
print('findfactor')
if audioop.findfactor(data[1], data[1]) != 1.0:
return 0
return 1
def testfindfit(data):
if verbose:
print('findfit')
if audioop.findfit(data[1], data[1]) != (0, 1.0):
return 0
return 1
def testfindmax(data):
if verbose:
print('findmax')
if audioop.findmax(data[1], 1) != 2:
return 0
return 1
def testgetsample(data):
if verbose:
print('getsample')
for i in range(3):
if audioop.getsample(data[0], 1, i) != i or \
audioop.getsample(data[1], 2, i) != i or \
audioop.getsample(data[2], 4, i) != i:
return 0
return 1
def testone(name, data):
try:
func = eval('test'+name)
except NameError:
print('No test found for audioop.'+name+'()')
return
try:
rv = func(data)
except Exception as e:
print('Test FAILED for audioop.'+name+'() (with %s)' % repr(e))
return
if not rv:
print('Test FAILED for audioop.'+name+'()')
Merged revisions 61189-61190,61192,61194-61195,61198-61199 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61189 | brett.cannon | 2008-03-03 01:38:58 +0100 (Mon, 03 Mar 2008) | 5 lines Refactor test_logging to use unittest. This should finally solve the flakiness issues. Thanks to Antoine Pitrou for the patch. ........ r61190 | jeffrey.yasskin | 2008-03-03 02:27:03 +0100 (Mon, 03 Mar 2008) | 3 lines compile.c always emits END_FINALLY after WITH_CLEANUP, so predict that in ceval.c. This is worth about a .03-.04us speedup on a simple with block. ........ r61192 | brett.cannon | 2008-03-03 03:41:40 +0100 (Mon, 03 Mar 2008) | 4 lines Move test_largefile over to using 'with' statements for open files. Also rename the driver function to test_main() instead of main_test(). ........ r61194 | brett.cannon | 2008-03-03 04:24:48 +0100 (Mon, 03 Mar 2008) | 3 lines Add a note in the main test class' docstring that the order of execution of the tests is important. ........ r61195 | brett.cannon | 2008-03-03 04:26:43 +0100 (Mon, 03 Mar 2008) | 3 lines Add a note in the main test class' docstring that the order of execution of the tests is important. ........ r61198 | brett.cannon | 2008-03-03 05:19:29 +0100 (Mon, 03 Mar 2008) | 4 lines Add test_main() functions to various tests where it was simple to do. Done so that regrtest can execute the test_main() directly instead of relying on import side-effects. ........ r61199 | neal.norwitz | 2008-03-03 05:37:45 +0100 (Mon, 03 Mar 2008) | 1 line Only DECREF if ret != NULL ........
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def test_main():
data = [gendata1(), gendata2(), gendata4()]
names = dir(audioop)
# We know there is a routine 'add'
routines = []
for n in names:
if type(eval('audioop.'+n)) == type(audioop.add):
routines.append(n)
for n in routines:
testone(n, data)
Merged revisions 61189-61190,61192,61194-61195,61198-61199 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61189 | brett.cannon | 2008-03-03 01:38:58 +0100 (Mon, 03 Mar 2008) | 5 lines Refactor test_logging to use unittest. This should finally solve the flakiness issues. Thanks to Antoine Pitrou for the patch. ........ r61190 | jeffrey.yasskin | 2008-03-03 02:27:03 +0100 (Mon, 03 Mar 2008) | 3 lines compile.c always emits END_FINALLY after WITH_CLEANUP, so predict that in ceval.c. This is worth about a .03-.04us speedup on a simple with block. ........ r61192 | brett.cannon | 2008-03-03 03:41:40 +0100 (Mon, 03 Mar 2008) | 4 lines Move test_largefile over to using 'with' statements for open files. Also rename the driver function to test_main() instead of main_test(). ........ r61194 | brett.cannon | 2008-03-03 04:24:48 +0100 (Mon, 03 Mar 2008) | 3 lines Add a note in the main test class' docstring that the order of execution of the tests is important. ........ r61195 | brett.cannon | 2008-03-03 04:26:43 +0100 (Mon, 03 Mar 2008) | 3 lines Add a note in the main test class' docstring that the order of execution of the tests is important. ........ r61198 | brett.cannon | 2008-03-03 05:19:29 +0100 (Mon, 03 Mar 2008) | 4 lines Add test_main() functions to various tests where it was simple to do. Done so that regrtest can execute the test_main() directly instead of relying on import side-effects. ........ r61199 | neal.norwitz | 2008-03-03 05:37:45 +0100 (Mon, 03 Mar 2008) | 1 line Only DECREF if ret != NULL ........
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if __name__ == '__main__':
test_main()