assertThat(list.getLast(), is("1"));
        list.getLastEntry().remove();
        assertThat(list.size(), is(0));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testAdd() throws Exception {
        list.addLast("1");
        list.addLast("2");
        list.addLast("3");
        list.add(1, "4");
        assertThat(list.get(1), is("4"));
        assertThat(list.get(2), is("2"));

        if (status != ACTIVE) {
            throw new ClIllegalStateException(String.valueOf(status));
        }
        status = STOPPED;
    }

    /**
     * タイマーを再開始します。
     */
    public void restart() {
        status = ACTIVE;
        startTime = System.currentTimeMillis();
    }

    void expired() {
        timeoutTarget.expired();
    }

                    } else {
                        logger.warn("Failed to process a task.", e);
                    }
                }
                if (task.isPermanent()) {
                    task.restart();
                }
            });
        } catch (final Exception e) {
            logger.warn("Failed to process a task.", e);
        }
    }

    private synchronized boolean isInterrupted() {

        assertThat(ArrayUtil.addAll(array, emptyArray), is(sameInstance(array)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testAdd_int() throws Exception {
        final int[] array = new int[] { 1 };
        final int[] newArray = ArrayUtil.add(array, 2);
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is(1));