return i;
      }
    }
    throw new AssertionError(
        "Expected element " + clazz + "." + method + " not found in stack trace", e);
  }

  private ExecutionException getExpectingExecutionException(AbstractFuture<String> future)
      throws InterruptedException {
    try {
      String got = future.get();
      throw new AssertionError("Expected exception but got " + got);

        if (!removeEntry(e, e.getHash(), RemovalCause.EXPIRED)) {
          throw new AssertionError();
        }
      }
      while ((e = accessQueue.peek()) != null && map.isExpired(e, now)) {
        if (!removeEntry(e, e.getHash(), RemovalCause.EXPIRED)) {
          throw new AssertionError();
        }
      }
    }

    // eviction

    @GuardedBy("this")

        case OPEN:
          return aggr.nodeAggregate(node) + aggr.treeAggregate(node.left);
        case CLOSED:
          return aggr.treeAggregate(node.left);
      }
      throw new AssertionError();
    } else {
      return aggr.treeAggregate(node.left)
          + aggr.nodeAggregate(node)
          + aggregateBelowRange(aggr, node.right);
    }
  }

  @Override
  public boolean offer(E e) {
    final Monitor monitor = this.monitor;
    monitor.enter();
    try {
      boolean ok = q.offer(e);
      if (!ok) {
        throw new AssertionError();
      }
      return true;
    } finally {
      monitor.leave();
    }
  }

  /**
   * Inserts the specified element into this priority queue. As the queue is unbounded this method

        case NEW:
        case RUNNABLE:
        case WAITING:
          Thread.yield();
          break;
        case TIMED_WAITING:
          return;
        case TERMINATED:
          throw new AssertionError();
      }
    }
  }

  public void testDirectExecutorService_shutdownNow() {
    ExecutorService executor = newDirectExecutorService();
    assertEquals(ImmutableList.of(), executor.shutdownNow());

    }

    fun processNextFrame(): Boolean {
      taskFaker.runTasks()
      return webSocket!!.processNextFrame()
    }

    override fun close() {
      if (closed) {
        throw AssertionError("Already closed")
      }
      try {
        source.close()
      } catch (ignored: IOException) {
      }
      try {
        sink.close()
      } catch (ignored: IOException) {
      }

      } catch (SocketException | UnknownHostException e) {
        throw new IllegalArgumentException("No such interface: " + scope, e);
      }
    } catch (UnknownHostException e) {
      throw new AssertionError(e);
    }
  }

  /**
   * Returns the string representation of an {@link InetAddress}.
   *
   * <p>For IPv4 addresses, this is identical to {@link InetAddress#getHostAddress()}, but for IPv6

  }

  private static class SubPrepender extends Prepender {
    @SuppressWarnings("unused") // needed to satisfy compiler, never called
    public SubPrepender() throws NullPointerException {
      throw new AssertionError();
    }
  }

      }
    }

    // Unfortunately this is pasted from ImmutableCollection.Builder.
    private static int expandedCapacity(int oldCapacity, int minCapacity) {
      if (minCapacity < 0) {
        throw new AssertionError("cannot store more than MAX_VALUE elements");
      }
      // careful of overflow!
      int newCapacity = oldCapacity + (oldCapacity >> 1) + 1;
      if (newCapacity < minCapacity) {

          return captureAsTypeVariable(wildcardType.getUpperBounds());
        } else {
          // TODO(benyu): handle ? super T somehow.
          return type;
        }
      }
      throw new AssertionError("must have been one of the known types");
    }

    TypeVariable<?> captureAsTypeVariable(Type[] upperBounds) {
      String name =