actual = polygon.getEscherContainer().getChild(3).serialize();
assertEquals(expected.length, actual.length);
assertTrue(Arrays.equals(expected, actual));
ObjRecord obj = polygon.getObjRecord();
ObjRecord objShape = polygonShape.getObjRecord();
expected = obj.serialize();
actual = objShape.serialize();
assertEquals(expected.length, actual.length);
assertTrue(Arrays.equals(expected, actual));
}