@Test
public void testFullHalfPairEquals() {

    // set up
    FullHalfPair FullHalfPair1 = new FullHalfPair("ａ", "a");
    FullHalfPair FullHalfPair2 = new FullHalfPair("ａ", "a");
    FullHalfPair FullHalfPair3 = FullHalfPair1;
    // assert
    assertThat(FullHalfPair1.equals(FullHalfPair2), is(true));
    assertThat(FullHalfPair1.equals(FullHalfPair3), is(true));
}