assertEquals(String.class, FieldUtil.getElementTypeOfCollection(Baz.class.getField("collectionOfString")));
    }

    /**
     * @throws Exception
     */
    public void testGetKeyTypeOfMap() throws Exception {
        final Field f = ClassUtil.getField(Baz.class, "map");
        assertThat(FieldUtil.getKeyTypeOfMap(f), is(sameClass(String.class)));