Thread.sleep(ms, ns.toInt())
    }
  }

  override fun cancel() {
    delegate.cancel()
  }

  override fun close() {
    javaNetSocket.close()
  }

  fun awaitClosed() {
    closedLatch.await()
  }

      throws IOException {
    for (TestCloseable closeable : asList(closeable1, moreCloseables)) {
      assertWithMessage("%s.isClosed()", closeable).that(closeable.awaitClosed()).isTrue();
    }
  }

  private ClosingFuture<Object> failedClosingFuture() {
    return ClosingFuture.from(immediateFailedFuture(exception));
  }

  private void assertNoExpectedFailures() {

      throws IOException {
    for (TestCloseable closeable : asList(closeable1, moreCloseables)) {
      assertWithMessage("%s.isClosed()", closeable).that(closeable.awaitClosed()).isTrue();
    }
  }

  private ClosingFuture<Object> failedClosingFuture() {
    return ClosingFuture.from(immediateFailedFuture(exception));
  }

  private void assertNoExpectedFailures() {

@J2ktIncompatible
public class ClosingFutureLeakTest extends TestCase {
  public void testLeak() {
    TestCloseable closeable = new TestCloseable("closeable");
    awaitClear(leakClosingFuture(closeable));
    assertThat(closeable.awaitClosed()).isTrue();
  }

  private WeakReference<ClosingFuture<String>> leakClosingFuture(TestCloseable closeable) {
    ClosingFuture<String> willCloseCloseable =
        ClosingFuture.submit(
            closer -> {

@J2ktIncompatible
public class ClosingFutureLeakTest extends TestCase {
  public void testLeak() {
    TestCloseable closeable = new TestCloseable("closeable");
    awaitClear(leakClosingFuture(closeable));
    assertThat(closeable.awaitClosed()).isTrue();
  }

  private WeakReference<ClosingFuture<String>> leakClosingFuture(TestCloseable closeable) {
    ClosingFuture<String> willCloseCloseable =
        ClosingFuture.submit(
            closer -> {

      socket = socket,
      client = false,
    )

    webSocket.loopReader(fancyResponse)

    // Even if messages are no longer being read we need to wait for the connection close signal.
    socket.awaitClosed()
  }

  @Throws(IOException::class)
  private fun writeHttpResponse(
    socket: MockWebServerSocket,
    response: MockResponse,
  ) {
    socket.sleepWhileOpen(response.headersDelayNanos)