def test_classicalregister_hash_upate_name(self):
"""Test ClassicalRegister hash changes on name update."""
test_reg = ClassicalRegister(2)
orig_hash = hash(test_reg)
orig_bit_hashes = [hash(x) for x in test_reg]
test_reg.name = 'test_classical'
new_hash = hash(test_reg)
new_bit_hashes = [hash(x) for x in test_reg]
self.assertNotEqual(orig_hash, new_hash)
for x in range(2):
self.assertNotEqual(orig_bit_hashes[x], new_bit_hashes[x])
