@Test
public void handles() {

    assertThat(this.instance.handles(Protocol.SMR_5_0_0)).isTrue();
    assertThat(this.instance.handles(Protocol.SMR_5_1)).isTrue();
    assertThat(this.instance.handles(Protocol.DSMR_4_2_2)).isFalse();
    assertThat(this.instance.handles(Protocol.OTHER_PROTOCOL)).isFalse();
    assertThat(this.instance.handles(null)).isFalse();
}