@Deployment(testable = false)
public static WebArchive createDeployment() {
    return ShrinkWrap.create(WebArchive.class)
            .addClasses(
                    MyApplication.class,
                    MyObjectResource.class,
                    MyArrayResource.class);
}

@Test
public void testEchoObject() {
    JsonObject jsonObject = Json.createObjectBuilder()
            .add("apple", "red")
            .add("banana", "yellow")
            .build();

    JsonObject json = targetObject
            .request()
            .post(Entity.entity(jsonObject, MediaType.APPLICATION_JSON), JsonObject.class);
    assertNotNull(json);
    assertFalse(json.isEmpty());
    assertTrue(json.containsKey("apple"));
    assertEquals("red", json.getString("apple"));
    assertTrue(json.containsKey("banana"));
    assertEquals("yellow", json.getString("banana"));
}

@Test
public void testEchoArray() {
    JsonArray jsonArray = Json.createArrayBuilder()
            .add(Json.createObjectBuilder()
                    .add("apple", "red"))
            .add(Json.createObjectBuilder()
                    .add("banana", "yellow"))
            .build();

    JsonArray json = targetArray
            .request()
            .post(Entity.entity(jsonArray, MediaType.APPLICATION_JSON), JsonArray.class);
    assertNotNull(json);
    assertEquals(2, json.size());
    assertTrue(json.getJsonObject(0).containsKey("apple"));
    assertEquals("red", json.getJsonObject(0).getString("apple"));
    assertTrue(json.getJsonObject(1).containsKey("banana"));
    assertEquals("yellow", json.getJsonObject(1).getString("banana"));
}