public void testForwardsToTheWrongMethod() {
    assertFailure(Arithmetic.class, ForwardsToTheWrongMethod::new, "minus");
  }

  public void testFailsToForwardReturnValue() {
    assertFailure(Adder.class, FailsToForwardReturnValue::new, "add(", "Return value");
  }

  public void testFailsToPropagateException() {
    assertFailure(Adder.class, FailsToPropagateException::new, "add(", "exception");
  }

  public void testForwardsToTheWrongMethod() {
    assertFailure(Arithmetic.class, ForwardsToTheWrongMethod::new, "minus");
  }

  public void testFailsToForwardReturnValue() {
    assertFailure(Adder.class, FailsToForwardReturnValue::new, "add(", "Return value");
  }

  public void testFailsToPropagateException() {
    assertFailure(Adder.class, FailsToPropagateException::new, "add(", "exception");
  }

  }

  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).isSameInstanceAs(t)
  }

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

    callback.await(server.url("/0")).assertFailure("Too many follow-up requests: 21")
  }

  @Test
  fun http204WithBodyDisallowed() {
    server.enqueue(
      MockResponse(
        code = 204,
        body = "I'm not even supposed to be here today.",
      ),
    )
    executeSynchronously("/")
      .assertFailure("HTTP 204 had non-zero Content-Length: 39")
  }

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

import app.cash.burst.Burst
import app.cash.burst.burstValues
import assertk.assertFailure
import assertk.assertThat
import assertk.assertions.hasMessage
import assertk.assertions.isFailure
import assertk.assertions.isFalse
import assertk.assertions.isNotSameInstanceAs
import assertk.assertions.isTrue

        if (cleanClose) {
          assertSuccessful()
          assertCode(200)

          assertThat(server2.requestCount).isEqualTo(1)
        } else {
          this.assertFailure(SocketTimeoutException::class.java)
        }
      }

    println("\n\nRequest to ${server2.socketAddress}")
    executeSynchronously(request)
      .assertSuccessful()
      .assertCode(200)
  }