@Test
public void test4() {
SimpleObj2 so2 = new SimpleObj2();
so2.setId(334);
User user = new User();
user.setId(2434L);
user.setName("Pengtao");
so2.setUser(user);
Book book = new Book();
book.setId(23424);
book.setPrice(3.4);
book.setSell(true);
book.setText("cccccccc");
book.setTitle("ddddd");
so2.setBook(book);
String jsonStr = Json.toJson(so2);
SimpleObj2 temp = Json.toObject(jsonStr, SimpleObj2.class);
Assert.assertThat(temp.getBook().getPrice(), is(3.4));
Assert.assertThat(temp.getBook().getTitle(), nullValue());
Assert.assertThat(temp.getId(), is(334));
}
