assertEquals('\n', PopularWordHelper.CACHE_KEY_SPLITTER);
    }

    public void test_getCacheKey_longStrings() {
        String seed = "very_long_seed_" + "x".repeat(100);
        String[] tags = { "long_tag_" + "y".repeat(50), "another_long_tag_" + "z".repeat(50) };
        String[] roles = { "long_role_" + "a".repeat(50) };
        String[] fields = { "long_field_" + "b".repeat(50) };

  }

  @Test
  fun multipleTags() {
    val stringTag = "dilophosaurus"
    val longTag = 20170815L as Long?
    val objectTag = Any()
    val request =
      Request
        .Builder()
        .url("https://square.com")
        .tag(Any::class, objectTag)
        .tag(String::class, stringTag)
        .tag(Long::class, longTag)
        .build()
    assertThat(request.tag<Any>()).isSameAs(objectTag)

    val stringTag = "dilophosaurus"
    val longTag = 20170815L as Long?
    val objectTag = Any()
    val request =
      Request
        .Builder()
        .url("https://square.com")
        .tag(Any::class.java, objectTag)
        .tag(UUID::class.java, uuidTag)
        .tag(String::class.java, stringTag)
        .tag(Long::class.javaObjectType, longTag)
        .build()