def test_unpack_sample_width1_shouldpass():
sample_width = 1
value = '\x48'
expected = 0x48
actual = pcm.unpack_sample(value, sample_width)
assert expected == actual
def test_unpack_sample_mismatched_sizes_throws_exception():
sample_width = 1
value = '\x00\xff'
# Should throw exception because sample width and size of value are mismatched.
actual = pcm.unpack_sample(value, sample_width)
def test_unpack_sample_sample_width3_shouldFail():
sample_width = 3
value = '\x30\x40\x50'
# Should throw exception because sample width of 3 isn't supported.
pcm.unpack_sample(value, sample_width)
def test_unpack_sample_width2_shouldfail():
sample_width = 2
value = '\x30\x40'
incorrect_result = 0x3040
actual = pcm.unpack_sample(value, sample_width)
assert incorrect_result != actual
def test_unpack_sample_width2_shouldpass():
sample_width = 2
value = '\x40\x30'
expected = 0x3040
actual = pcm.unpack_sample(value, sample_width)
assert expected == actual
def test_unpack_sample_width1_shouldfail():
sample_width = 1
value = '\x48'
incorrect_result = 0x84
actual = pcm.unpack_sample(value, sample_width)
assert incorrect_result != actual
