def test_largest_collect_unused_collects_all_for_empty(): q00 = GridQubit(0, 0) q01 = GridQubit(0, 1) q02 = GridQubit(0, 2) q12 = GridQubit(1, 2) qubits = [q00, q01, q02, q12] start = q01 search = LargestAreaGreedySequenceSearch(_create_device(qubits), start) assert search._collect_unused(start, set()) == set(qubits) assert search._collect_unused(start, {start}) == set(qubits)
def test_largest_collect_unused_collects(): q00 = XmonQubit(0, 0) q01 = XmonQubit(0, 1) q02 = XmonQubit(0, 2) q12 = XmonQubit(1, 2) qubits = [q00, q01, q02, q12] start = q01 search = LargestAreaGreedySequenceSearch(_create_device(qubits), start) assert search._collect_unused(start, {q00, q01}) == {q01, q02, q12}
def test_largest_collect_stops_on_used(): q00 = GridQubit(0, 0) q01 = GridQubit(0, 1) q02 = GridQubit(0, 2) q03 = GridQubit(0, 3) q04 = GridQubit(0, 4) q05 = GridQubit(0, 5) q11 = GridQubit(1, 1) q14 = GridQubit(1, 4) q24 = GridQubit(2, 4) qubits = [q00, q01, q11, q02, q03, q04, q05, q14, q24] start = q02 search = LargestAreaGreedySequenceSearch(_create_device(qubits), start) assert search._collect_unused(start, {start, q04}) == {q00, q01, q11, q02, q03}