private static final String BASE = StringUtil.toHex(getAddress()) + StringUtil.toHex(System.identityHashCode(RANDOM));

    /**
     * UUIDを作成します。
     *
     * @return UUIDの文字列
     */
    public static String create() {
        final StringBuilder buf = new StringBuilder(BASE.length() * 2);
        buf.append(BASE);
        final int lowTime = (int) (System.currentTimeMillis() >> 32);
        StringUtil.appendHex(buf, lowTime);

            }
            System.out.println("CaseInsensitiveMap.put:" + (System.currentTimeMillis() - start));

            start = System.currentTimeMillis();
            for (int i = 0; i < num; i++) {
                hmap.get("a" + String.valueOf(i));
            }
            System.out.println("HashMap.get:" + (System.currentTimeMillis() - start));

            start = System.currentTimeMillis();

     */
    public static final String PATH_SEPARATOR = System.getProperty("path.separator");

    /**
     * <code>os.name</code> システムプロパティ。例:<code>Mac OS X</code>
     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> システムプロパティ。例：/tmp
     */
    public static final String JAVA_IO_TMPDIR = System.getProperty("java.io.tmpdir");

    /**

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }
        final long logger = System.currentTimeMillis() - start;

        final String s = MessageFormatter.getMessage("EMSG0000");
        System.out.println(s);
        assertThat(s, is("[EMSG0000]test"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetMessageWithArgs() throws Exception {
        final String s = MessageFormatter.getMessage("EMSG0001", "hoge");
        System.out.println(s);
        assertThat(s, is("[EMSG0001]hogeが見つかりません"));
    }

        final BeanDesc beanDesc = new BeanDescImpl(getClass());
        final String[] names = beanDesc.getMethodNames();
        for (final String name : names) {
            System.out.println(name);
        }
        assertThat(names.length > 0, is(true));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testInvalidProperty() throws Exception {

        this.timeoutMillis = timeout * 1000L;
        this.permanent = permanent;
        this.startTime = System.currentTimeMillis();
    }

    /**
     * 期限切れかどうかを返します。
     *
     * @return 期限切れかどうか
     */
    public boolean isExpired() {
        return System.currentTimeMillis() >= startTime + timeoutMillis;
    }

    /**
     * 永続的かどうかを返します。
     *
     * @return 永続的かどうか
     */

        assertThat(ex.getMessageCode(), is("ECL0001"));
        assertThat(ex.getArgs().length, is(1));
        assertThat(ex.getArgs()[0], is((Object) "hoge"));
        System.out.println(ex.getMessage());
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetCause() throws Exception {
        final Throwable t = new NullPointerException("test");

        final ResourceBundle bundle = ResourceBundleUtil.getBundle("CLMessages", null);
        final Map<String, String> map = ResourceBundleUtil.convertMap(bundle);
        final String value = map.get("ECL0001");
        System.out.println(value);
        assertThat(value, is(notNullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetBundle() throws Exception {

        final Element root = doc.getDocumentElement();
        final String contents = DomUtil.toString(root);
        System.out.println(contents);
    }