}
      } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
      } catch (InvocationTargetException e) {
        throw Throwables.propagate(e.getCause());
      }
      assertEquals("Failed to forward to " + method, 1, called.get());
    }

    @Override
    public String toString() {
      return "dummy " + interfaceType.getSimpleName();

 *
 * <p>For example, the subclass could pass a {@link java.util.TreeMap} during construction, and
 * {@link #createCollection()} could return a {@link java.util.TreeSet}, in which case the
 * multimap's iterators would propagate through the keys and values in sorted order.
 *
 * <p>Keys and values may be null, as long as the underlying collection classes support null
 * elements.
 *

    for (int i = 0; i < 100000; i++) {
      SettableFuture<String> curr = SettableFuture.create();
      prev.setFuture(curr);
      prev = curr;
    }
    // orig is the 'outermost future', this should propagate fully down the stack of futures.
    orig.cancel(true);
    assertTrue(orig.isCancelled());
    assertTrue(prev.isCancelled());
    assertTrue(prev.wasInterrupted());
  }

 *
 * <p>For example, the subclass could pass a {@link java.util.TreeMap} during construction, and
 * {@link #createCollection()} could return a {@link java.util.TreeSet}, in which case the
 * multimap's iterators would propagate through the keys and values in sorted order.
 *
 * <p>Keys and values may be null, as long as the underlying collection classes support null
 * elements.
 *

        }
      } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
      } catch (InvocationTargetException e) {
        throw Throwables.propagate(e.getCause());
      }
      assertEquals("Failed to forward to " + method, 1, called.get());
    }

    @Override
    public String toString() {
      return "dummy " + interfaceType.getSimpleName();

    ListenableFuture<Bar> f2 = transformAsync(f1, function, directExecutor());
    f1.cancel(true);
    assertTrue(f2.isCancelled());
    /*
     * We might like to propagate interruption, too, but it's not clear that it matters. For now, we
     * test for the behavior that we have today.
     */
    assertFalse(((AbstractFuture<?>) f2).wasInterrupted());
  }

  @J2ktIncompatible

    ListenableFuture<Bar> f2 = transformAsync(f1, function, directExecutor());
    f1.cancel(true);
    assertTrue(f2.isCancelled());
    /*
     * We might like to propagate interruption, too, but it's not clear that it matters. For now, we
     * test for the behavior that we have today.
     */
    assertFalse(((AbstractFuture<?>) f2).wasInterrupted());
  }

  @J2ktIncompatible

    service.runFirstBarrier.await();
    service.runSecondBarrier.await();
    assertThrows(CancellationException.class, () -> future.get());
    // An execution exception holds a runtime exception (from throwables.propagate) that holds our
    // original exception.
    assertEquals(service.runException, service.failureCause());
    assertEquals(Service.State.FAILED, service.state());
  }

    service.runFirstBarrier.await();
    service.runSecondBarrier.await();
    assertThrows(CancellationException.class, () -> future.get());
    // An execution exception holds a runtime exception (from throwables.propagate) that holds our
    // original exception.
    assertEquals(service.runException, service.failureCause());
    assertEquals(Service.State.FAILED, service.state());
  }

       * not work. (Under Android in particular, we really should check the API Level instead of
       * probing for methods....) But it's hard to imagine how reachabilityFence in particular could
       * exist but throw, so we propagate anything that's thrown, presumably an unchecked Exception
       * or Error.
       */
      throwIfUnchecked(e.getCause());
      throw new AssertionError(e.getCause());
    }
  }