Examples with JsonNull elemental.json.JsonNull used on opensource projects

Example 6 with JsonNull

use of elemental.json.JsonNull in project flow by vaadin.

the class JsonSerializerTest method serializeEmptyObjectWithBasicCollections_returnJsonObjectWithNullProperties.

@Test
public void serializeEmptyObjectWithBasicCollections_returnJsonObjectWithNullProperties() {
    ObjectWithBasicCollections bean = new ObjectWithBasicCollections();
    /*
         * private List<String> listOfStrings; private Set<Integer>
         * setOfIntegers; private LinkedList<Boolean> linkedListOfBooleans;
         * private ArrayList<Double> arrayListOfDoubles;
         * 
         */
    JsonValue json = JsonSerializer.toJson(bean);
    Assert.assertTrue("The JsonValue should be instanceof JsonObject", json instanceof JsonObject);
    JsonObject jsonObject = (JsonObject) json;
    Assert.assertTrue(jsonObject.hasKey("listOfStrings"));
    Assert.assertTrue(jsonObject.get("listOfStrings") instanceof JsonNull);
    Assert.assertTrue(jsonObject.hasKey("setOfIntegers"));
    Assert.assertTrue(jsonObject.get("setOfIntegers") instanceof JsonNull);
    Assert.assertTrue(jsonObject.hasKey("linkedListOfBooleans"));
    Assert.assertTrue(jsonObject.get("linkedListOfBooleans") instanceof JsonNull);
    Assert.assertTrue(jsonObject.hasKey("arrayListOfDoubles"));
    Assert.assertTrue(jsonObject.get("arrayListOfDoubles") instanceof JsonNull);
    bean = JsonSerializer.toObject(ObjectWithBasicCollections.class, json);
    Assert.assertNotNull("The deserialized object should not be null", bean);
    Assert.assertNull(bean.getListOfStrings());
    Assert.assertNull(bean.getSetOfIntegers());
    Assert.assertNull(bean.getLinkedListOfBooleans());
    Assert.assertNull(bean.getArrayListOfDoubles());
}

Example 7 with JsonNull

use of elemental.json.JsonNull in project flow by vaadin.

the class JsonSerializerTest method serializeEmptyRecursiveObject_returnJsonObjectWithNullProperties.

@Test
public void serializeEmptyRecursiveObject_returnJsonObjectWithNullProperties() {
    RecursiveObject bean = new RecursiveObject();
    JsonValue json = JsonSerializer.toJson(bean);
    Assert.assertTrue("The JsonValue should be instanceof JsonObject", json instanceof JsonObject);
    JsonObject jsonObject = (JsonObject) json;
    Assert.assertTrue(jsonObject.hasKey("recursive"));
    Assert.assertTrue(jsonObject.get("recursive") instanceof JsonNull);
    Assert.assertEquals(0, jsonObject.getNumber("index"), PRECISION);
    bean = JsonSerializer.toObject(RecursiveObject.class, json);
    Assert.assertNotNull("The deserialized object should not be null", bean);
    Assert.assertNull(bean.getRecursive());
    Assert.assertEquals(0, bean.getIndex());
}

Example 8 with JsonNull

use of elemental.json.JsonNull in project flow by vaadin.

the class JsonSerializerTest method serializeNull_returnNull.

@Test
public void serializeNull_returnNull() {
    JsonValue json = JsonSerializer.toJson((Object) null);
    Assert.assertTrue("The JsonValue should be instanceof JsonNull", json instanceof JsonNull);
}