@Test
public void testEqualsIgnoreCase() {

    assertThat(AsciiString.contentEqualsIgnoreCase(null, null), is(true));
    assertThat(AsciiString.contentEqualsIgnoreCase(null, "foo"), is(false));
    assertThat(AsciiString.contentEqualsIgnoreCase("bar", null), is(false));
    assertThat(AsciiString.contentEqualsIgnoreCase("FoO", "fOo"), is(true));
}