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| author | Serhiy Storchaka <storchaka@gmail.com> | 2013-10-20 06:42:26 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-10-20 06:42:26 (GMT) |
| commit | ce82eb2e13d909bb399b40822bc1aae777acb814 (patch) | |
| tree | 488bd0ef27547aef50eb67828ac3f4a0f7f62d01 /Lib | |
| parent | d49c47bfb0ea3bc2e7d8778d8002c0f628d97488 (diff) | |
| download | cpython-ce82eb2e13d909bb399b40822bc1aae777acb814.zip cpython-ce82eb2e13d909bb399b40822bc1aae777acb814.tar.gz cpython-ce82eb2e13d909bb399b40822bc1aae777acb814.tar.bz2 | |
Issue #12866: Fix bias() for 24-bit. Add more tests.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_audioop.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Lib/test/test_audioop.py b/Lib/test/test_audioop.py index 984f34a..b6b53ba 100644 --- a/Lib/test/test_audioop.py +++ b/Lib/test/test_audioop.py @@ -121,6 +121,9 @@ class TestAudioop(unittest.TestCase): 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[3], datas[3], 3), + packs[3](0, 0x2468ac, 0x7fffff, -0x800000, + 0x7fffff, -0x800000, -2)) self.assertEqual(audioop.add(datas[4], datas[4], 4), packs[4](0, 0x2468acf0, 0x7fffffff, -0x80000000, 0x7fffffff, -0x80000000, -2)) @@ -145,6 +148,17 @@ class TestAudioop(unittest.TestCase): packs[2](-1, 0x1233, 0x4566, -0x4568, 0x7ffe, 0x7fff, -2)) self.assertEqual(audioop.bias(datas[2], 2, -0x80000000), datas[2]) + self.assertEqual(audioop.bias(datas[3], 3, 1), + packs[3](1, 0x123457, 0x45678a, -0x456788, + -0x800000, -0x7fffff, 0)) + self.assertEqual(audioop.bias(datas[3], 3, -1), + packs[3](-1, 0x123455, 0x456788, -0x45678a, + 0x7ffffe, 0x7fffff, -2)) + self.assertEqual(audioop.bias(datas[3], 3, 0x7fffffff), + packs[3](-1, 0x123455, 0x456788, -0x45678a, + 0x7ffffe, 0x7fffff, -2)) + self.assertEqual(audioop.bias(datas[3], 3, -0x80000000), + datas[3]) self.assertEqual(audioop.bias(datas[4], 4, 1), packs[4](1, 0x12345679, 0x456789ac, -0x456789aa, -0x80000000, -0x7fffffff, 0)) @@ -164,24 +178,43 @@ class TestAudioop(unittest.TestCase): self.assertEqual(audioop.lin2lin(datas[1], 1, 2), packs[2](0, 0x1200, 0x4500, -0x4500, 0x7f00, -0x8000, -0x100)) + self.assertEqual(audioop.lin2lin(datas[1], 1, 3), + packs[3](0, 0x120000, 0x450000, -0x450000, + 0x7f0000, -0x800000, -0x10000)) 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, 3), + packs[3](0, 0x123400, 0x456700, -0x456700, + 0x7fff00, -0x800000, -0x100)) self.assertEqual(audioop.lin2lin(datas[2], 2, 4), packs[4](0, 0x12340000, 0x45670000, -0x45670000, 0x7fff0000, -0x80000000, -0x10000)) + self.assertEqual(audioop.lin2lin(datas[3], 3, 1), + b'\x00\x12\x45\xba\x7f\x80\xff') + self.assertEqual(audioop.lin2lin(datas[3], 3, 2), + packs[2](0, 0x1234, 0x4567, -0x4568, 0x7fff, -0x8000, -1)) + self.assertEqual(audioop.lin2lin(datas[3], 3, 4), + packs[4](0, 0x12345600, 0x45678900, -0x45678900, + 0x7fffff00, -0x80000000, -0x100)) 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)) + self.assertEqual(audioop.lin2lin(datas[4], 4, 3), + packs[3](0, 0x123456, 0x456789, -0x45678a, + 0x7fffff, -0x800000, -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', 3, None), + (packs[3](0, 0xb00, 0x2900, -0x1600, 0x7200, + -0xb300), (-179, 40))) self.assertEqual(audioop.adpcm2lin(b'\x07\x7f\x7f', 4, None), (packs[4](0, 0xb0000, 0x290000, -0x160000, 0x720000, -0xb30000), (-179, 40))) @@ -260,6 +293,9 @@ class TestAudioop(unittest.TestCase): 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[3], 3, 2), + packs[3](0, 0x2468ac, 0x7fffff, -0x800000, + 0x7fffff, -0x800000, -2)) self.assertEqual(audioop.mul(datas[4], 4, 2), packs[4](0, 0x2468acf0, 0x7fffffff, -0x80000000, 0x7fffffff, -0x80000000, -2)) |