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| author | Serhiy Storchaka <storchaka@gmail.com> | 2013-11-23 22:26:01 +0200 |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-11-23 22:26:01 +0200 |
| commit | 3062c9a6c87ff9b480d1eea960efbfc604e4b157 (patch) | |
| tree | b31b2fe4839d47d9ca54f171d6adf518cfbffa9d /Lib/test/test_audioop.py | |
| parent | 2b38fc187c2a764b7608cd262de5a2777a77f4c8 (diff) | |
| download | cpython-git-3062c9a6c87ff9b480d1eea960efbfc604e4b157.tar.gz | |
Issue #19641: Added the audioop.byteswap() function to convert big-endian
samples to little-endian and vice versa.
Diffstat (limited to 'Lib/test/test_audioop.py')
| -rw-r--r-- | Lib/test/test_audioop.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_audioop.py b/Lib/test/test_audioop.py index fe96b75dfa..d5075450e6 100644 --- a/Lib/test/test_audioop.py +++ b/Lib/test/test_audioop.py @@ -448,6 +448,23 @@ class TestAudioop(unittest.TestCase): self.assertEqual(audioop.getsample(data, w, 3), maxvalues[w]) self.assertEqual(audioop.getsample(data, w, 4), minvalues[w]) + def test_byteswap(self): + swapped_datas = { + 1: datas[1], + 2: packs[2](0, 0x3412, 0x6745, -0x6646, -0x81, 0x80, -1), + 3: packs[3](0, 0x563412, -0x7698bb, 0x7798ba, -0x81, 0x80, -1), + 4: packs[4](0, 0x78563412, -0x547698bb, 0x557698ba, + -0x81, 0x80, -1), + } + for w in 1, 2, 3, 4: + self.assertEqual(audioop.byteswap(b'', w), b'') + self.assertEqual(audioop.byteswap(datas[w], w), swapped_datas[w]) + self.assertEqual(audioop.byteswap(swapped_datas[w], w), datas[w]) + self.assertEqual(audioop.byteswap(bytearray(datas[w]), w), + swapped_datas[w]) + self.assertEqual(audioop.byteswap(memoryview(datas[w]), w), + swapped_datas[w]) + def test_negativelen(self): # from issue 3306, previously it segfaulted self.assertRaises(audioop.error, |