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# Test audioop.
import audioop
def gendata1():
return '\0\1\2'
def gendata2():
if audioop.getsample('\0\1', 2, 0) == 1:
return '\0\0\0\1\0\2'
else:
return '\0\0\1\0\2\0'
def gendata4():
if audioop.getsample('\0\0\0\1', 4, 0) == 1:
return '\0\0\0\0\0\0\0\1\0\0\0\2'
else:
return '\0\0\0\0\1\0\0\0\2\0\0\0'
def testmax(data):
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
def testminmax(data):
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
def testmaxpp(data):
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 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 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 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):
data2 = []
for d in data:
str = ''
for s in d:
str = str + chr(ord(s)*2)
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):
# 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):
# 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('\0\0', 1, None) <> ('\0\0\0\0', (0,0)):
return 0
return 1
def testlin2adpcm(data):
# Very cursory test
if audioop.lin2adpcm('\0\0\0\0', 1, None) <> ('\0\0', (0,0)):
return 0
return 1
def testlin2ulaw(data):
if audioop.lin2ulaw(data[0], 1) <> '\377\347\333' or \
audioop.lin2ulaw(data[1], 2) <> '\377\377\377' or \
audioop.lin2ulaw(data[2], 4) <> '\377\377\377':
return 0
return 1
def testulaw2lin(data):
# Cursory
d = audioop.lin2ulaw(data[0], 1)
if audioop.ulaw2lin(d, 1) <> data[0]:
return 0
return 1
def testmul(data):
data2 = []
for d in data:
str = ''
for s in d:
str = str + chr(ord(s)*2)
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 testreverse(data):
if audioop.reverse(data[0], 1) <> '\2\1\0':
return 0
return 1
def testtomono(data):
data2 = ''
for d in data[0]:
data2 = data2 + d + d
if audioop.tomono(data2, 1, 0.5, 0.5) <> data[0]:
return 0
return 1
def testtostereo(data):
data2 = ''
for d in data[0]:
data2 = data2 + d + d
if audioop.tostereo(data[0], 1, 1, 1) <> data2:
return 0
return 1
def testfindfactor(data):
if audioop.findfactor(data[1], data[1]) <> 1.0:
return 0
return 1
def testfindfit(data):
if audioop.findfit(data[1], data[1]) <> (0, 1.0):
return 0
return 1
def testfindmax(data):
if audioop.findmax(data[1], 1) <> 2:
return 0
return 1
def testgetsample(data):
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 'xx':
print 'Test FAILED for audioop.'+name+'() (with an exception)'
return
if not rv:
print 'Test FAILED for audioop.'+name+'()'
def testall():
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)
testall()
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