@Test
public void testGetStrategy() {
Strategy strategy = extractor.getStrategy();
AlgorithmClass alg =
strategy.getAlgorithm(RandomizedScatterFactory.class);
assertEquals(NISTMottScatteringAngle.Factory, alg);
alg = strategy.getAlgorithm(IonizationCrossSection.class);
assertEquals(AbsoluteIonizationCrossSection.BoteSalvat2008, alg);