@Test
public void ofSevenIsSeven() {

    Map<String, String> map = MapUtils.of("1", "A", "2", "B",
            "3", "C", "4", "D", "5", "E", "6", "F", "7", "G");
    assertThat(map, hasEntry("1", "A"));
    assertThat(map, hasEntry("2", "B"));
    assertThat(map, hasEntry("3", "C"));
    assertThat(map, hasEntry("4", "D"));
    assertThat(map, hasEntry("5", "E"));
    assertThat(map, hasEntry("6", "F"));
    assertThat(map, hasEntry("7", "G"));
}