// Check the Kotlin-focused APIs.
    assertThat(call.tag(String::class)).isEqualTo("hello")
    assertThat(call.tag(Integer::class)).isEqualTo(5)
    assertThat(call.tag(Boolean::class)).isNull()
    assertThat(call.tag(Any::class)).isNull()

    // Check the Java APIs too.
    assertThat(call.tag(String::class.java)).isEqualTo("hello")
    assertThat(call.tag(Integer::class.java)).isEqualTo(5)

    assumeTrue(System.getProperty("java.specification.version") == "1.8")
    platform.assumeJettyBootEnabled()
    assertThat(buildIfSupported()).isNotNull()
  }

  @Test
  fun testNotBuildWithOther() {
    assumeFalse(System.getProperty("java.specification.version") == "1.8")
    assertThat(buildIfSupported()).isNull()
  }

    // With ports.
    assertThat(HostAndPort.fromString("foo:101").toString()).isEqualTo("foo:101");
    assertThat(HostAndPort.fromString(":102").toString()).isEqualTo(":102");
    assertThat(HostAndPort.fromParts("1::2", 103).toString()).isEqualTo("[1::2]:103");
    assertThat(HostAndPort.fromString("[::1]:104").toString()).isEqualTo("[::1]:104");

    // Without ports.

      assertThat(urls.get(0).getProtocol()).isEqualTo("file");
      assertThat(urls.get(0).getAuthority()).isNull();
      assertThat(urls.get(0).getPath()).endsWith("/relative/path/to/some.jar");

      assertThat(urls.get(1)).isEqualTo(new URL("file:///absolute/path/to/some.jar"));

      assertThat(urls.get(2).getProtocol()).isEqualTo("file");
      assertThat(urls.get(2).getAuthority()).isNull();

      dispatcher = dispatcherC
    }

  @Test
  fun happyPath() {
    testInstances += this

    assertThat(serverA.started).isTrue()
    assertThat(serverB.started).isTrue()
    assertThat(serverC.started).isFalse()

    assertThat(serverD.started).isTrue()
    assertThat(serverE.started).isTrue()
    assertThat(serverF.started).isFalse()
  }

  private companion object {

    assertThat(InetAddresses.toAddrString(InetAddresses.forString("2001:0:0:4:5:6:7:8")))
        .isEqualTo("2001::4:5:6:7:8");
    assertThat(InetAddresses.toAddrString(InetAddresses.forString("2001:0:3:4:5:6:7:8")))
        .isEqualTo("2001:0:3:4:5:6:7:8");
    assertThat(InetAddresses.toAddrString(InetAddresses.forString("0:0:3:0:0:0:0:ffff")))
        .isEqualTo("0:0:3::ffff");

    assertThat(min((byte) 0, (byte) -128, (byte) -1, (byte) 127, (byte) 1)).isEqualTo((byte) -128);
  }

  public void testJoin() {
    assertThat(SignedBytes.join(",", EMPTY)).isEmpty();
    assertThat(SignedBytes.join(",", ARRAY1)).isEqualTo("1");
    assertThat(SignedBytes.join(",", (byte) 1, (byte) 2)).isEqualTo("1,2");
    assertThat(SignedBytes.join("", (byte) 1, (byte) 2, (byte) 3)).isEqualTo("123");

    assertThat(Ascii.truncate("foobar", 4, "--")).isEqualTo("fo--");
    assertThat(Ascii.truncate("foobar", 6, "…")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 5, "…")).isEqualTo("foob…");
    assertThat(Ascii.truncate("foobar", 3, "")).isEqualTo("foo");
    assertThat(Ascii.truncate("", 5, "")).isEqualTo("");
    assertThat(Ascii.truncate("", 5, "...")).isEqualTo("");
    assertThat(Ascii.truncate("", 0, "")).isEqualTo("");
  }

    assertThat(Ascii.truncate("foobar", 4, "--")).isEqualTo("fo--");
    assertThat(Ascii.truncate("foobar", 6, "…")).isEqualTo("foobar");
    assertThat(Ascii.truncate("foobar", 5, "…")).isEqualTo("foob…");
    assertThat(Ascii.truncate("foobar", 3, "")).isEqualTo("foo");
    assertThat(Ascii.truncate("", 5, "")).isEqualTo("");
    assertThat(Ascii.truncate("", 5, "...")).isEqualTo("");
    assertThat(Ascii.truncate("", 0, "")).isEqualTo("");
  }

      throws InterruptedException, TimeoutException, ExecutionException {
    assertDone(future);
    assertThat(future.isCancelled()).isFalse();

    assertThat(getDone(future)).isEqualTo(expectedResult);
    assertThat(getDoneFromTimeoutOverload(future)).isEqualTo(expectedResult);

    assertThat(future.resultNow()).isEqualTo(expectedResult);
    assertThrows(IllegalStateException.class, future::exceptionNow);
  }