@Test
public void canHandle() throws Exception {

    assertTrue(converter.canHandle("5", TypeToken.of(Hours.class)));
    assertTrue(converter.canHandle(100, TypeToken.of(Days.class)));
    assertTrue(converter.canHandle(100, TypeToken.of(Years.class)));
    assertFalse(converter.canHandle("2017-09-03", TypeToken.of(Months.class)));
}