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

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

        lru.put("ccc", "333");
        assertThat(lru.get("aaa"), is("111"));
        Iterator<String> i = lru.keySet().iterator();
        assertThat(i.next(), is("bbb"));
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        lru.put("ddd", "444");
        assertThat(lru.size(), is(3));
        assertThat(lru.get("bbb"), is(nullValue()));
        i = lru.keySet().iterator();

        final Map<String, Object> dest = newHashMap();
        BeanUtil.copyBeanToMap(src, dest);
        assertThat(dest.get("aaa"), is((Object) "aaa"));
        assertThat(dest.get("bbb"), is(nullValue()));
        assertThat(dest.get("ccc"), is((Object) "ccc"));
        assertThat(dest.get("ddd"), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test

     */
    @Test
    public void testGet() throws Exception {
        list.addLast("1");
        list.addLast("2");
        list.addLast("3");
        assertThat(list.get(0), is("1"));
        assertThat(list.get(1), is("2"));
        assertThat(list.get(2), is("3"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSerialize() throws Exception {
        list.addLast("1");

            assertState(readable, propertyName + " is not readable.");
            if (hasReadMethod()) {
                return MethodUtil.invoke(readMethod, target, EMPTY_ARGS);
            }
            return FieldUtil.get(field, target);
        } catch (final Throwable t) {
            throw new IllegalPropertyRuntimeException(beanDesc.getBeanClass(), propertyName, t);
        }
    }

    @Override

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        final BeanMap map = new BeanMap();
        map.put("aaa", 1);
        map.put("bbb", 2);
        assertThat(map.get("aaa"), is((Object) 1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGet_NotContains() throws Exception {
        exception.expect(IllegalKeyOfBeanMapException.class);

     */
    public static DecimalFormatSymbols getDecimalFormatSymbols(final Locale locale) {
        assertArgumentNotNull("locale", locale);

        DecimalFormatSymbols symbols = CACHE.get(locale);
        if (symbols == null) {
            symbols = new DecimalFormatSymbols(locale);
            CACHE.put(locale, symbols);
        }
        return symbols;
    }

    public void testGet() throws Exception {
        assertThat(map.get("ONE"), is("1"));
        assertThat(map.get("One"), is("1"));
        assertThat(map.get("hoge"), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testPut() throws Exception {
        assertThat(map.put("One", "11"), is("1"));
        assertThat(map.get("one"), is("11"));
    }

    /**
     * @throws Exception

    }

    public void test_ofNull() {
        assertEquals(0, (int) StreamUtil.stream().get(s -> s.toArray().length));
        Object[] o = {};
        assertEquals(0, (int) StreamUtil.stream(o).get(s -> s.toArray().length));
        Map<Object, Object> map = new HashMap<Object, Object>();
        assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
    }

    public void test_ofMap() {

/**
 * Stringがキーで、存在しないキーにアクセスする(get)と例外を投げるマップです。
 *
 * @author higa
 */
public class BeanMap extends LinkedHashMap<String, Object> {

    private static final long serialVersionUID = 1;

    @Override
    public Object get(final Object key) {
        if (!containsKey(key)) {
            throw new IllegalKeyOfBeanMapException(key, this);
        }
        return super.get(key);
    }