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Diffstat (limited to 'lib/python2.7/test/test_audioop.py')
-rw-r--r-- | lib/python2.7/test/test_audioop.py | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/lib/python2.7/test/test_audioop.py b/lib/python2.7/test/test_audioop.py deleted file mode 100644 index e5a5159..0000000 --- a/lib/python2.7/test/test_audioop.py +++ /dev/null @@ -1,393 +0,0 @@ -import audioop -import sys -import unittest -import struct -from test.test_support import run_unittest - - -formats = { - 1: 'b', - 2: 'h', - 4: 'i', -} - -def pack(width, data): - return struct.pack('=%d%s' % (len(data), formats[width]), *data) - -packs = { - 1: lambda *data: pack(1, data), - 2: lambda *data: pack(2, data), - 4: lambda *data: pack(4, data), -} -maxvalues = {w: (1 << (8 * w - 1)) - 1 for w in (1, 2, 4)} -minvalues = {w: -1 << (8 * w - 1) for w in (1, 2, 4)} - -datas = { - 1: b'\x00\x12\x45\xbb\x7f\x80\xff', - 2: packs[2](0, 0x1234, 0x4567, -0x4567, 0x7fff, -0x8000, -1), - 4: packs[4](0, 0x12345678, 0x456789ab, -0x456789ab, - 0x7fffffff, -0x80000000, -1), -} - -INVALID_DATA = [ - (b'abc', 0), - (b'abc', 2), - (b'abc', 4), -] - - -class TestAudioop(unittest.TestCase): - - def test_max(self): - for w in 1, 2, 4: - self.assertEqual(audioop.max(b'', w), 0) - p = packs[w] - self.assertEqual(audioop.max(p(5), w), 5) - self.assertEqual(audioop.max(p(5, -8, -1), w), 8) - self.assertEqual(audioop.max(p(maxvalues[w]), w), maxvalues[w]) - self.assertEqual(audioop.max(p(minvalues[w]), w), -minvalues[w]) - self.assertEqual(audioop.max(datas[w], w), -minvalues[w]) - - def test_minmax(self): - for w in 1, 2, 4: - self.assertEqual(audioop.minmax(b'', w), - (0x7fffffff, -0x80000000)) - p = packs[w] - self.assertEqual(audioop.minmax(p(5), w), (5, 5)) - self.assertEqual(audioop.minmax(p(5, -8, -1), w), (-8, 5)) - self.assertEqual(audioop.minmax(p(maxvalues[w]), w), - (maxvalues[w], maxvalues[w])) - self.assertEqual(audioop.minmax(p(minvalues[w]), w), - (minvalues[w], minvalues[w])) - self.assertEqual(audioop.minmax(datas[w], w), - (minvalues[w], maxvalues[w])) - - def test_maxpp(self): - for w in 1, 2, 4: - self.assertEqual(audioop.maxpp(b'', w), 0) - self.assertEqual(audioop.maxpp(packs[w](*range(100)), w), 0) - self.assertEqual(audioop.maxpp(packs[w](9, 10, 5, 5, 0, 1), w), 10) - self.assertEqual(audioop.maxpp(datas[w], w), - maxvalues[w] - minvalues[w]) - - def test_avg(self): - for w in 1, 2, 4: - self.assertEqual(audioop.avg(b'', w), 0) - p = packs[w] - self.assertEqual(audioop.avg(p(5), w), 5) - self .assertEqual(audioop.avg(p(5, 8), w), 6) - self.assertEqual(audioop.avg(p(5, -8), w), -2) - self.assertEqual(audioop.avg(p(maxvalues[w], maxvalues[w]), w), - maxvalues[w]) - self.assertEqual(audioop.avg(p(minvalues[w], minvalues[w]), w), - minvalues[w]) - self.assertEqual(audioop.avg(packs[4](0x50000000, 0x70000000), 4), - 0x60000000) - self.assertEqual(audioop.avg(packs[4](-0x50000000, -0x70000000), 4), - -0x60000000) - - def test_avgpp(self): - for w in 1, 2, 4: - self.assertEqual(audioop.avgpp(b'', w), 0) - self.assertEqual(audioop.avgpp(packs[w](*range(100)), w), 0) - self.assertEqual(audioop.avgpp(packs[w](9, 10, 5, 5, 0, 1), w), 10) - self.assertEqual(audioop.avgpp(datas[1], 1), 196) - self.assertEqual(audioop.avgpp(datas[2], 2), 50534) - self.assertEqual(audioop.avgpp(datas[4], 4), 3311897002) - - def test_rms(self): - for w in 1, 2, 4: - self.assertEqual(audioop.rms(b'', w), 0) - p = packs[w] - self.assertEqual(audioop.rms(p(*range(100)), w), 57) - self.assertAlmostEqual(audioop.rms(p(maxvalues[w]) * 5, w), - maxvalues[w], delta=1) - self.assertAlmostEqual(audioop.rms(p(minvalues[w]) * 5, w), - -minvalues[w], delta=1) - self.assertEqual(audioop.rms(datas[1], 1), 77) - self.assertEqual(audioop.rms(datas[2], 2), 20001) - self.assertEqual(audioop.rms(datas[4], 4), 1310854152) - - def test_cross(self): - for w in 1, 2, 4: - self.assertEqual(audioop.cross(b'', w), -1) - p = packs[w] - self.assertEqual(audioop.cross(p(0, 1, 2), w), 0) - self.assertEqual(audioop.cross(p(1, 2, -3, -4), w), 1) - self.assertEqual(audioop.cross(p(-1, -2, 3, 4), w), 1) - self.assertEqual(audioop.cross(p(0, minvalues[w]), w), 1) - self.assertEqual(audioop.cross(p(minvalues[w], maxvalues[w]), w), 1) - - def test_add(self): - for w in 1, 2, 4: - self.assertEqual(audioop.add(b'', b'', w), b'') - self.assertEqual(audioop.add(datas[w], b'\0' * len(datas[w]), w), - datas[w]) - self.assertEqual(audioop.add(datas[1], datas[1], 1), - b'\x00\x24\x7f\x80\x7f\x80\xfe') - self.assertEqual(audioop.add(datas[2], datas[2], 2), - packs[2](0, 0x2468, 0x7fff, -0x8000, 0x7fff, -0x8000, -2)) - self.assertEqual(audioop.add(datas[4], datas[4], 4), - packs[4](0, 0x2468acf0, 0x7fffffff, -0x80000000, - 0x7fffffff, -0x80000000, -2)) - - def test_bias(self): - for w in 1, 2, 4: - for bias in 0, 1, -1, 127, -128, 0x7fffffff, -0x80000000: - self.assertEqual(audioop.bias(b'', w, bias), b'') - self.assertEqual(audioop.bias(datas[1], 1, 1), - b'\x01\x13\x46\xbc\x80\x81\x00') - self.assertEqual(audioop.bias(datas[1], 1, -1), - b'\xff\x11\x44\xba\x7e\x7f\xfe') - self.assertEqual(audioop.bias(datas[1], 1, 0x7fffffff), - b'\xff\x11\x44\xba\x7e\x7f\xfe') - self.assertEqual(audioop.bias(datas[1], 1, -0x80000000), - datas[1]) - self.assertEqual(audioop.bias(datas[2], 2, 1), - packs[2](1, 0x1235, 0x4568, -0x4566, -0x8000, -0x7fff, 0)) - self.assertEqual(audioop.bias(datas[2], 2, -1), - packs[2](-1, 0x1233, 0x4566, -0x4568, 0x7ffe, 0x7fff, -2)) - self.assertEqual(audioop.bias(datas[2], 2, 0x7fffffff), - packs[2](-1, 0x1233, 0x4566, -0x4568, 0x7ffe, 0x7fff, -2)) - self.assertEqual(audioop.bias(datas[2], 2, -0x80000000), - datas[2]) - self.assertEqual(audioop.bias(datas[4], 4, 1), - packs[4](1, 0x12345679, 0x456789ac, -0x456789aa, - -0x80000000, -0x7fffffff, 0)) - self.assertEqual(audioop.bias(datas[4], 4, -1), - packs[4](-1, 0x12345677, 0x456789aa, -0x456789ac, - 0x7ffffffe, 0x7fffffff, -2)) - self.assertEqual(audioop.bias(datas[4], 4, 0x7fffffff), - packs[4](0x7fffffff, -0x6dcba989, -0x3a987656, 0x3a987654, - -2, -1, 0x7ffffffe)) - self.assertEqual(audioop.bias(datas[4], 4, -0x80000000), - packs[4](-0x80000000, -0x6dcba988, -0x3a987655, 0x3a987655, - -1, 0, 0x7fffffff)) - - def test_lin2lin(self): - for w in 1, 2, 4: - self.assertEqual(audioop.lin2lin(datas[w], w, w), datas[w]) - - self.assertEqual(audioop.lin2lin(datas[1], 1, 2), - packs[2](0, 0x1200, 0x4500, -0x4500, 0x7f00, -0x8000, -0x100)) - self.assertEqual(audioop.lin2lin(datas[1], 1, 4), - packs[4](0, 0x12000000, 0x45000000, -0x45000000, - 0x7f000000, -0x80000000, -0x1000000)) - self.assertEqual(audioop.lin2lin(datas[2], 2, 1), - b'\x00\x12\x45\xba\x7f\x80\xff') - self.assertEqual(audioop.lin2lin(datas[2], 2, 4), - packs[4](0, 0x12340000, 0x45670000, -0x45670000, - 0x7fff0000, -0x80000000, -0x10000)) - self.assertEqual(audioop.lin2lin(datas[4], 4, 1), - b'\x00\x12\x45\xba\x7f\x80\xff') - self.assertEqual(audioop.lin2lin(datas[4], 4, 2), - packs[2](0, 0x1234, 0x4567, -0x4568, 0x7fff, -0x8000, -1)) - - def test_adpcm2lin(self): - self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 1, None), - (b'\x00\x00\x00\xff\x00\xff', (-179, 40))) - self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 2, None), - (packs[2](0, 0xb, 0x29, -0x16, 0x72, -0xb3), (-179, 40))) - self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None), - (packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000, - -0xb30000), (-179, 40))) - - # Very cursory test - for w in 1, 2, 4: - self.assertEqual(audioop.adpcm2lin(b'\0' * 5, w, None), - (b'\0' * w * 10, (0, 0))) - - def test_lin2adpcm(self): - self.assertEqual(audioop.lin2adpcm(datas[1], 1, None), - (b'\x07\x7f\x7f', (-221, 39))) - self.assertEqual(audioop.lin2adpcm(datas[2], 2, None), - (b'\x07\x7f\x7f', (31, 39))) - self.assertEqual(audioop.lin2adpcm(datas[4], 4, None), - (b'\x07\x7f\x7f', (31, 39))) - - # Very cursory test - for w in 1, 2, 4: - self.assertEqual(audioop.lin2adpcm(b'\0' * w * 10, w, None), - (b'\0' * 5, (0, 0))) - - def test_lin2alaw(self): - self.assertEqual(audioop.lin2alaw(datas[1], 1), - b'\xd5\x87\xa4\x24\xaa\x2a\x5a') - self.assertEqual(audioop.lin2alaw(datas[2], 2), - b'\xd5\x87\xa4\x24\xaa\x2a\x55') - self.assertEqual(audioop.lin2alaw(datas[4], 4), - b'\xd5\x87\xa4\x24\xaa\x2a\x55') - - def test_alaw2lin(self): - encoded = b'\x00\x03\x24\x2a\x51\x54\x55\x58\x6b\x71\x7f'\ - b'\x80\x83\xa4\xaa\xd1\xd4\xd5\xd8\xeb\xf1\xff' - src = [-688, -720, -2240, -4032, -9, -3, -1, -27, -244, -82, -106, - 688, 720, 2240, 4032, 9, 3, 1, 27, 244, 82, 106] - for w in 1, 2, 4: - self.assertEqual(audioop.alaw2lin(encoded, w), - packs[w](*(x << (w * 8) >> 13 for x in src))) - - encoded = ''.join(chr(x) for x in xrange(256)) - for w in 2, 4: - decoded = audioop.alaw2lin(encoded, w) - self.assertEqual(audioop.lin2alaw(decoded, w), encoded) - - def test_lin2ulaw(self): - self.assertEqual(audioop.lin2ulaw(datas[1], 1), - b'\xff\xad\x8e\x0e\x80\x00\x67') - self.assertEqual(audioop.lin2ulaw(datas[2], 2), - b'\xff\xad\x8e\x0e\x80\x00\x7e') - self.assertEqual(audioop.lin2ulaw(datas[4], 4), - b'\xff\xad\x8e\x0e\x80\x00\x7e') - - def test_ulaw2lin(self): - encoded = b'\x00\x0e\x28\x3f\x57\x6a\x76\x7c\x7e\x7f'\ - b'\x80\x8e\xa8\xbf\xd7\xea\xf6\xfc\xfe\xff' - src = [-8031, -4447, -1471, -495, -163, -53, -18, -6, -2, 0, - 8031, 4447, 1471, 495, 163, 53, 18, 6, 2, 0] - for w in 1, 2, 4: - self.assertEqual(audioop.ulaw2lin(encoded, w), - packs[w](*(x << (w * 8) >> 14 for x in src))) - - # Current u-law implementation has two codes fo 0: 0x7f and 0xff. - encoded = ''.join(chr(x) for x in range(127) + range(128, 256)) - for w in 2, 4: - decoded = audioop.ulaw2lin(encoded, w) - self.assertEqual(audioop.lin2ulaw(decoded, w), encoded) - - def test_mul(self): - for w in 1, 2, 4: - self.assertEqual(audioop.mul(b'', w, 2), b'') - self.assertEqual(audioop.mul(datas[w], w, 0), - b'\0' * len(datas[w])) - self.assertEqual(audioop.mul(datas[w], w, 1), - datas[w]) - self.assertEqual(audioop.mul(datas[1], 1, 2), - b'\x00\x24\x7f\x80\x7f\x80\xfe') - self.assertEqual(audioop.mul(datas[2], 2, 2), - packs[2](0, 0x2468, 0x7fff, -0x8000, 0x7fff, -0x8000, -2)) - self.assertEqual(audioop.mul(datas[4], 4, 2), - packs[4](0, 0x2468acf0, 0x7fffffff, -0x80000000, - 0x7fffffff, -0x80000000, -2)) - - def test_ratecv(self): - for w in 1, 2, 4: - self.assertEqual(audioop.ratecv(b'', w, 1, 8000, 8000, None), - (b'', (-1, ((0, 0),)))) - self.assertEqual(audioop.ratecv(b'', w, 5, 8000, 8000, None), - (b'', (-1, ((0, 0),) * 5))) - self.assertEqual(audioop.ratecv(b'', w, 1, 8000, 16000, None), - (b'', (-2, ((0, 0),)))) - self.assertEqual(audioop.ratecv(datas[w], w, 1, 8000, 8000, None)[0], - datas[w]) - state = None - d1, state = audioop.ratecv(b'\x00\x01\x02', 1, 1, 8000, 16000, state) - d2, state = audioop.ratecv(b'\x00\x01\x02', 1, 1, 8000, 16000, state) - self.assertEqual(d1 + d2, b'\000\000\001\001\002\001\000\000\001\001\002') - - for w in 1, 2, 4: - d0, state0 = audioop.ratecv(datas[w], w, 1, 8000, 16000, None) - d, state = b'', None - for i in range(0, len(datas[w]), w): - d1, state = audioop.ratecv(datas[w][i:i + w], w, 1, - 8000, 16000, state) - d += d1 - self.assertEqual(d, d0) - self.assertEqual(state, state0) - - def test_reverse(self): - for w in 1, 2, 4: - self.assertEqual(audioop.reverse(b'', w), b'') - self.assertEqual(audioop.reverse(packs[w](0, 1, 2), w), - packs[w](2, 1, 0)) - - def test_tomono(self): - for w in 1, 2, 4: - data1 = datas[w] - data2 = bytearray(2 * len(data1)) - for k in range(w): - data2[k::2*w] = data1[k::w] - self.assertEqual(audioop.tomono(str(data2), w, 1, 0), data1) - self.assertEqual(audioop.tomono(str(data2), w, 0, 1), b'\0' * len(data1)) - for k in range(w): - data2[k+w::2*w] = data1[k::w] - self.assertEqual(audioop.tomono(str(data2), w, 0.5, 0.5), data1) - - def test_tostereo(self): - for w in 1, 2, 4: - data1 = datas[w] - data2 = bytearray(2 * len(data1)) - for k in range(w): - data2[k::2*w] = data1[k::w] - self.assertEqual(audioop.tostereo(data1, w, 1, 0), data2) - self.assertEqual(audioop.tostereo(data1, w, 0, 0), b'\0' * len(data2)) - for k in range(w): - data2[k+w::2*w] = data1[k::w] - self.assertEqual(audioop.tostereo(data1, w, 1, 1), data2) - - def test_findfactor(self): - self.assertEqual(audioop.findfactor(datas[2], datas[2]), 1.0) - self.assertEqual(audioop.findfactor(b'\0' * len(datas[2]), datas[2]), - 0.0) - - def test_findfit(self): - self.assertEqual(audioop.findfit(datas[2], datas[2]), (0, 1.0)) - self.assertEqual(audioop.findfit(datas[2], packs[2](1, 2, 0)), - (1, 8038.8)) - self.assertEqual(audioop.findfit(datas[2][:-2] * 5 + datas[2], datas[2]), - (30, 1.0)) - - def test_findmax(self): - self.assertEqual(audioop.findmax(datas[2], 1), 5) - - def test_getsample(self): - for w in 1, 2, 4: - data = packs[w](0, 1, -1, maxvalues[w], minvalues[w]) - self.assertEqual(audioop.getsample(data, w, 0), 0) - self.assertEqual(audioop.getsample(data, w, 1), 1) - self.assertEqual(audioop.getsample(data, w, 2), -1) - self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w]) - self.assertEqual(audioop.getsample(data, w, 4), minvalues[w]) - - def test_negativelen(self): - # from issue 3306, previously it segfaulted - self.assertRaises(audioop.error, - audioop.findmax, ''.join( chr(x) for x in xrange(256)), -2392392) - - def test_issue7673(self): - state = None - for data, size in INVALID_DATA: - size2 = size - self.assertRaises(audioop.error, audioop.getsample, data, size, 0) - self.assertRaises(audioop.error, audioop.max, data, size) - self.assertRaises(audioop.error, audioop.minmax, data, size) - self.assertRaises(audioop.error, audioop.avg, data, size) - self.assertRaises(audioop.error, audioop.rms, data, size) - self.assertRaises(audioop.error, audioop.avgpp, data, size) - self.assertRaises(audioop.error, audioop.maxpp, data, size) - self.assertRaises(audioop.error, audioop.cross, data, size) - self.assertRaises(audioop.error, audioop.mul, data, size, 1.0) - self.assertRaises(audioop.error, audioop.tomono, data, size, 0.5, 0.5) - self.assertRaises(audioop.error, audioop.tostereo, data, size, 0.5, 0.5) - self.assertRaises(audioop.error, audioop.add, data, data, size) - self.assertRaises(audioop.error, audioop.bias, data, size, 0) - self.assertRaises(audioop.error, audioop.reverse, data, size) - self.assertRaises(audioop.error, audioop.lin2lin, data, size, size2) - self.assertRaises(audioop.error, audioop.ratecv, data, size, 1, 1, 1, state) - self.assertRaises(audioop.error, audioop.lin2ulaw, data, size) - self.assertRaises(audioop.error, audioop.lin2alaw, data, size) - self.assertRaises(audioop.error, audioop.lin2adpcm, data, size, state) - - def test_wrongsize(self): - data = b'abcdefgh' - state = None - for size in (-1, 0, 3, 5, 1024): - self.assertRaises(audioop.error, audioop.ulaw2lin, data, size) - self.assertRaises(audioop.error, audioop.alaw2lin, data, size) - self.assertRaises(audioop.error, audioop.adpcm2lin, data, size, state) - -def test_main(): - run_unittest(TestAudioop) - -if __name__ == '__main__': - test_main() |