def test_buffer_fill(graph):
b = Buffer(4, 44100)
b.fill(0.5)
assert b.data.shape == (4, 44100)
assert np.all(b.data[0] == 0.5)
assert np.all(b.data[1] == 0.5)
assert np.all(b.data[2] == 0.5)
assert np.all(b.data[3] == 0.5)
def test_buffer_split(graph):
b = Buffer(1, 8192)
b.fill(1)
buffers = b.split(2048)
assert len(buffers) == 4
for buf in buffers:
assert buf.num_channels == 1
assert buf.num_frames == 2048
assert np.all(b.data[0] == 1)
