def test_verticallayerssample_eq(sample):
other = VerticalLayerSample(COPPER, ZINC)
other.add_layer(GERMANIUM, 100.0)
other.add_layer(COPPER, 200.0)
other.depth_m = 400.0
assert sample == other
other = VerticalLayerSample(COPPER, ZINC)
other.add_layer(GERMANIUM, 100.0)
other.add_layer(COPPER, 200.0)
assert sample != other
other = VerticalLayerSample(GERMANIUM, ZINC)
other.add_layer(GALLIUM, 500.0)
assert sample != other
def sample():
sample = VerticalLayerSample(COPPER, ZINC)
sample.add_layer(GERMANIUM, 100.0)
sample.add_layer(COPPER, 200.0)
sample.depth_m = 400.0
return sample