@Test
@SuppressWarnings("checkstyle:magicnumber")
public void testGetBase26String() {

    assertThat(StringUtil.getBase26String(1), is("A"));
    assertThat(StringUtil.getBase26String(26), is("Z"));
    assertThat(StringUtil.getBase26String(277), is("JQ"));
    assertThat(StringUtil.getBase26String(2777), is("DBU"));
    assertThat(StringUtil.getBase26String(27000), is("AMXL"));
    assertThat(StringUtil.getBase26String(52), is("AZ"));
    assertThat(StringUtil.getBase26String(53), is("BA"));
}