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import radler as rd
import numpy as np
import pytest
def test_component_list():
cl = rd.ComponentList()
# Check defaults
assert cl.width == 0
assert cl.height == 0
assert cl.n_scales == 0
assert cl.n_frequencies == 0
with pytest.raises(IndexError):
cl.component_count(0)
def test_multiscale_component_list():
WIDTH = 8
HEIGHT = 9
N_SCALES = 3
N_FREQUENCIES = 7
cl = rd.ComponentList(WIDTH, HEIGHT, N_SCALES, N_FREQUENCIES)
assert cl.width == WIDTH
assert cl.height == HEIGHT
assert cl.n_scales == N_SCALES
assert cl.n_frequencies == N_FREQUENCIES
for scale_num in range(N_SCALES):
assert cl.component_count(scale_num) == 0
with pytest.raises(IndexError):
cl.component_count(N_SCALES)
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