final SrcBean src = new SrcBean();
        src.ccc = " ";
        final DestBean dest = new DestBean();
        BeanUtil.copyBeanToBean(src, dest);
        assertThat(dest.ccc, is(" "));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCopyBeanToBean_excludesWhitespace() throws Exception {
        final SrcBean src = new SrcBean();
        src.ccc = " ";

 * <pre>
 * DestBean destBean = copyBeanToNewBean(srcBean, DestBean.class);
 * DestBean destBean = copyMapToNewBean(srcMap, DestBean.class);
 * Map&lt;String, Object&gt; destMap = copyBeanToNewMap(srcBean);
 * </pre>
 * <p>
 * コピーする際のオプションを指定することも出来ます。
 * </p>
 *
 * <pre>
 * import static org.codelibs.core.beans.util.CopyOptionsUtil.*;
 *
 * copyBeanToBean(srcBean, destBean, excludeNull());
 * </pre>
 * <p>

 *
 * <pre>
 * import static org.codelibs.core.beans.util.CopyOptionsUtil.*;
 *
 * copyBeanToBean(srcBean, destBean, excludeNull());
 * </pre>
 * <p>
 * {@literal CopyOptionsUtil}の戻り値は{@link CopyOptions}
 * なので、メソッドチェーンでオプションを複数指定することもできます。
 * </p>
 *
 * <pre>
 * copyBeanToBean(srcBean, destBean, excludeNull().dateConverter("date", "MM/dd"));
 * </pre>
 *
 * @author koichik
 */