@Test
void allowWithOnlyDenyDefined() {

    accessControl.deny = new IPv4Ranges(List.of("100.100.100.101/32"));
    assertThat(accessControl.allow(IPv4Ranges.address("100.100.99.1"))).isTrue();
    assertThat(accessControl.allow(IPv4Ranges.address("100.100.100.101"))).isFalse();
    assertThat(accessControl.allow(IPv4Ranges.address("100.100.100.1"))).isTrue();
}