.isEqualTo(1);
    assertThat(PublicSuffixPatterns.TRIE.findSuffixIndex(ImmutableList.of("foo", "www", "ck")))
        .isEqualTo(2);
  }

  @Test
  public void testNoMatch() {
    assertThat(PublicSuffixPatterns.TRIE.findSuffixIndex(ImmutableList.of("notadomain")))
        .isEqualTo(-1);
  }