assertFailure(
        Adder.class,
        new Function<Adder, Adder>() {
          @Override
          public Adder apply(Adder adder) {
            return new FailsToForwardParameters(adder);
          }
        },
        "add(",
        "Parameter #0");
  }

  public void testForwardsToTheWrongMethod() {
    assertFailure(
        Arithmetic.class,

              @Override
              public boolean hasNext() {
                return false;
              }
            };
          }
        };
    assertFailure(tester);
  }

  private static void assertFailure(IteratorTester<?> tester) {
    try {
      tester.test();
    } catch (AssertionError expected) {
      return;
    }
    fail();
  }

    taskFaker.runTasks()
    client.listener.assertFailure(IOException::class.java, "source is closed")
    assertThat(client.webSocket!!.send("Hello!")).isFalse()
  }

  @Test
  fun socketClosedDuringMessageKillsWebSocket() {
    client2Server.source.close()
    assertThat(client.webSocket!!.send("Hello!")).isTrue()
    taskFaker.runTasks()
    client.listener.assertFailure(IOException::class.java, "source is closed")

        ).setHeader("content-type", "text/event-stream")
        .build(),
    )
    listener.enqueueCancel() // Will cancel in onOpen().
    newEventSource()
    listener.assertOpen()
    listener.assertFailure("canceled")
  }

  @Test
  fun badContentType() {
    server.enqueue(
      MockResponse.Builder()
        .body(
          """
          |data: hey
          |
          |

        ) {
          throw e
        }
      },
    )
    newWebSocket()
    serverListener.assertOpen()
    serverListener.assertFailure(EOFException::class.java)
    serverListener.assertExhausted()
    clientListener.assertFailure(e)
  }

  @Disabled("AsyncCall currently lets runtime exceptions propagate.")
  @Test
  @Throws(
    Exception::class,
  )

              @Override
              public boolean hasNext() {
                return false;
              }
            };
          }
        };
    assertFailure(tester);
  }

  private static void assertFailure(IteratorTester<?> tester) {
    try {
      tester.test();
    } catch (AssertionError expected) {
      return;
    }
    fail();
  }

  }

  fun assertOpen(): WebSocket {
    val event = nextEvent() as Open
    return event.webSocket
  }

  fun assertFailure(t: Throwable?) {
    val event = nextEvent() as Failure
    assertThat(event.response).isNull()
    assertThat(event.t).isSameAs(t)
  }

  fun assertFailure(
    cls: Class<out IOException?>?,
    vararg messages: String,
  ) {
    val event = nextEvent() as Failure

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.android

import assertk.assertFailure
import assertk.assertions.hasMessage
import assertk.assertions.isInstanceOf
import java.net.UnknownHostException
import okhttp3.AsyncDns
import org.junit.Test
import org.junit.runner.RunWith

   */
  fun cacheResponse(): RecordedResponse {
    val cacheResponse = response!!.cacheResponse!!
    return RecordedResponse(cacheResponse.request, cacheResponse, null, null, null)
  }

  fun assertFailure(vararg allowedExceptionTypes: Class<*>) =
    apply {
      var found = false
      for (expectedClass in allowedExceptionTypes) {
        if (expectedClass.isInstance(failure)) {
          found = true

      Request.Builder()
        .url(server.url("/"))
        .build()
    val response = client.newCall(request).execute()
    processResponse(response, listener)
    listener.assertOpen()
    listener.assertFailure("canceled")
  }