println("testasync2: Nbrecv did not get 1, true, true:", x, ok, selected, c.Impl())
		failed = true
	}
	test1(c)
}

func closedsync() chan int {
	c := make(chan int)
	close(c)
	return c
}

func closedasync() chan int {
	c := make(chan int, 2)
	c <- 1
	close(c)
	return c
}

var mks = []func(chan int) Chan {
	func(c chan int) Chan { return XChan(c) },

    }
    valueAndCloser.closeAsync();
  }

  @Override
  void assertBecomesCanceled(ClosingFuture<?> closingFuture) throws ExecutionException {
    assertThatFutureBecomesCancelled(closingFuture.statusFuture());
  }

  @Override
  void waitUntilClosed(ClosingFuture<?> closingFuture) {
    if (valueAndCloser != null) {
      valueAndCloser.closeAsync();
    }

    }
    valueAndCloser.closeAsync();
  }

  @Override
  void assertBecomesCanceled(ClosingFuture<?> closingFuture) throws ExecutionException {
    assertThatFutureBecomesCancelled(closingFuture.statusFuture());
  }

  @Override
  void waitUntilClosed(ClosingFuture<?> closingFuture) {
    if (valueAndCloser != null) {
      valueAndCloser.closeAsync();
    }

 *   // do something with userName
 * } finally {
 *   userNameValueAndCloser.closeAsync();
 * }
 * }</pre>
 *
 * In this example, when {@code userNameValueAndCloser.closeAsync()} is called, the transaction and
 * the query result cursor will both be closed, even if the operation is cancelled or fails.
 *
 * <p>Note that if you don't call {@code closeAsync()}, the captured objects will not be closed. The

 *   // do something with userName
 * } finally {
 *   userNameValueAndCloser.closeAsync();
 * }
 * }</pre>
 *
 * In this example, when {@code userNameValueAndCloser.closeAsync()} is called, the transaction and
 * the query result cursor will both be closed, even if the operation is cancelled or fails.
 *
 * <p>Note that if you don't call {@code closeAsync()}, the captured objects will not be closed. The