def test_copy_pset():
p1 = Parameter('Y', 9)
p2 = Parameter('X', 3, lower=1, upper=24)
p3 = Parameter('Z', 1, lower=0, upper=2)
pset1 = Parameters([p1, p2, p3])
pset2 = pset1.copy()
assert pset1 == pset2
assert id(pset1[0]) != id(pset2[0])
p4 = p1.copy()
assert p4 == p1
assert id(p4) != id(p1)
def test_copy():
p1 = Parameter('X', 2, lower=0, upper=23)
p2 = p1.copy()
p1.init = 22
assert p2.init == 2
