assertThat(option.mapDelimiter('#'), is(sameInstance(option)));
        assertThat(option.mapDelimiter, is('#'));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIsTargetProperty() throws Exception {
        final CopyOptions option = new CopyOptions();
        assertThat(option.isTargetProperty("hoge"), is(true));
    }

    /**
     * @throws Exception
     */
    @Test