diff options
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 fe96b75..d507545 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, |