def test_add_pcm_padding_needspadding_shouldfail():
pcm_samples = [1, 0]
incorrect_result = [1, 0]
actual = pcm.add_pcm_padding(pcm_samples)
assert incorrect_result != actual
def test_add_pcm_padding_nopadding_shouldpass():
pcm_samples = [1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1]
expected = [1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1]
actual = pcm.add_pcm_padding(pcm_samples)
assert expected == actual
