assertThat(ArbitraryInstances.get(CharMatcher.class)).isNotNull();
    assertThat(ArbitraryInstances.get(Currency.class).getCurrencyCode()).isNotNull();
    assertThat(ArbitraryInstances.get(Locale.class)).isNotNull();
    assertThat(ArbitraryInstances.get(Joiner.class).join(ImmutableList.of("a"))).isNotNull();
    assertThat(ArbitraryInstances.get(Splitter.class).split("a,b")).isNotNull();

    assertThat(ArbitraryInstances.get(CharMatcher.class)).isNotNull();
    assertThat(ArbitraryInstances.get(Currency.class).getCurrencyCode()).isNotNull();
    assertThat(ArbitraryInstances.get(Locale.class)).isNotNull();
    assertThat(ArbitraryInstances.get(Joiner.class).join(ImmutableList.of("a"))).isNotNull();
    assertThat(ArbitraryInstances.get(Splitter.class).split("a,b")).isNotNull();

    }

  fun assertHandshake() =
    apply {
      val handshake = response!!.handshake!!
      assertThat(handshake.tlsVersion).isNotNull()
      assertThat(handshake.cipherSuite).isNotNull()
      assertThat(handshake.peerPrincipal).isNotNull()
      assertThat(handshake.peerCertificates.size).isEqualTo(1)
      assertThat(handshake.localPrincipal).isNull()

      other.proxyAddress
    }
    other.use {
      other.start()
      assertThat(other.socketAddress).isNotNull()
      assertThat(other.hostName).isNotNull()
      assertThat(other.port).isNotNull()
      assertThat(other.proxyAddress).isNotNull()
    }
  }

  @Test
  fun startIsIdempotentIfAddressIsConsistent() {
    val other = MockWebServer()

    val handshake = request.handshake
    assertThat(handshake!!.tlsVersion).isNotNull()
    assertThat(handshake.cipherSuite).isNotNull()
    assertThat(handshake.localPrincipal).isNotNull()
    assertThat(handshake.localCertificates.size).isEqualTo(1)
    assertThat(handshake.peerPrincipal).isNotNull()
    assertThat(handshake.peerCertificates.size).isEqualTo(1)
  }

  @Test
  fun shutdownTwice() {

  @Test
  fun buildsWhenJdk9() {
    platform.assumeJdk9()
    assertThat(buildIfSupported()).isNotNull()
  }

  @Test
  fun buildsWhenJdk8() {
    platform.assumeJdk8()
    try {
      SSLSocket::class.java.getMethod("getApplicationProtocol")
      // also present on JDK8 after build 252.
      assertThat(buildIfSupported()).isNotNull()
    } catch (nsme: NoSuchMethodException) {
      assertThat(buildIfSupported()).isNull()
    }

    assertThat(e).hasMessageThat().isEqualTo("resource no such resource not found.");
  }

  public void testGetResource() {
    assertThat(Resources.getResource("com/google/common/io/testdata/i18n.txt")).isNotNull();
  }

  public void testGetResource_relativePath_notFound() {
    IllegalArgumentException e =
        assertThrows(
            IllegalArgumentException.class,

        .that(annotationClass.getAnnotation(TesterAnnotation.class))
        .isNotNull();
    Retention retentionPolicy = annotationClass.getAnnotation(Retention.class);
    assertWithMessage(rootLocaleFormat("%s must have a @Retention annotation.", annotationClass))
        .that(retentionPolicy)
        .isNotNull();
    assertEquals(
        rootLocaleFormat("%s must have RUNTIME RetentionPolicy.", annotationClass),

          }
        };

    Class<?> finalizerCopy = decoupledLoader.loadFinalizer();

    assertThat(finalizerCopy).isNotNull();
    assertThat(finalizerCopy).isNotEqualTo(Finalizer.class);

    assertThat(FinalizableReferenceQueue.getStartFinalizer(finalizerCopy)).isNotNull();
  }

  static class DecoupledClassLoader extends URLClassLoader {

    public DecoupledClassLoader(URL[] urls) {

    assertThat(e).hasMessageThat().isEqualTo("resource no such resource not found.");
  }

  public void testGetResource() {
    assertThat(Resources.getResource("com/google/common/io/testdata/i18n.txt")).isNotNull();
  }

  public void testGetResource_relativePath_notFound() {
    IllegalArgumentException e =
        assertThrows(
            IllegalArgumentException.class,