/** Unit test to check for regression of [JACKSON-18]. */
public void testSmallNumbers() throws Exception {
ObjectMapper mapper = new ObjectMapper();
ArrayNode root = mapper.createArrayNode();
for (int i = -20; i <= 20; ++i) {
JsonNode n = root.numberNode(i);
root.add(n);
// Hmmh. Not sure why toString() won't be triggered otherwise...
assertEquals(String.valueOf(i), n.toString());
}
// Loop over 2 different serialization methods
for (int type = 0; type < 2; ++type) {
StringWriter sw = new StringWriter();
if (type == 0) {
JsonGenerator gen = new JsonFactory().createGenerator(sw);
root.serialize(gen, null);
gen.close();
} else {
mapper.writeValue(sw, root);
}
String doc = sw.toString();
JsonParser p = new JsonFactory().createParser(new StringReader(doc));
assertEquals(JsonToken.START_ARRAY, p.nextToken());
for (int i = -20; i <= 20; ++i) {
assertEquals(JsonToken.VALUE_NUMBER_INT, p.nextToken());
assertEquals(i, p.getIntValue());
assertEquals("" + i, p.getText());
}
assertEquals(JsonToken.END_ARRAY, p.nextToken());
p.close();
}
}
@Override
public Leaf deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException {
JsonNode tree = (JsonNode) jp.readValueAsTree();
Leaf leaf = new Leaf();
leaf.value = tree.get("value").intValue();
return leaf;
}
public void testEmbeddedObject() throws Exception {
TokenBuffer buf = new TokenBuffer(MAPPER);
buf.writeObject(new byte[3]);
JsonNode node = MAPPER.readTree(buf.asParser());
buf.close();
assertTrue(node.isBinary());
byte[] data = node.binaryValue();
assertNotNull(data);
assertEquals(3, data.length);
}
// [Issue#232]
public void testBigDecimalAsPlainStringTreeConversion() throws Exception {
ObjectMapper mapper = new ObjectMapper();
mapper.enable(SerializationFeature.WRITE_BIGDECIMAL_AS_PLAIN);
Map<String, Object> map = new HashMap<String, Object>();
String PI_STR = "3.00000000";
map.put("pi", new BigDecimal(PI_STR));
JsonNode tree = mapper.valueToTree(map);
assertNotNull(tree);
assertEquals(1, tree.size());
assertTrue(tree.has("pi"));
}
@Test
public void testMetadataInputStream() throws Exception {
MetaDataInputStream mis =
new MetaDataInputStream(
getClass()
.getClassLoader()
.getResourceAsStream("META-INF/services/org.brutusin.json.spi.JsonCodec"),
null,
null,
Long.MIN_VALUE);
TestClass instance = new TestClass();
String json = JsonCodec.getInstance().transform(instance);
assertTrue(!json.contains("\"metaDataInputStream\""));
instance.setMetaDataInputStream(mis);
json = JsonCodec.getInstance().transform(instance);
assertTrue(json.contains("\"metaDataInputStream\":\"#1#"));
JsonNode node = JsonCodec.getInstance().toJsonNode(instance);
assertEquals(node.get("metaDataInputStream").asStream(), mis);
TestClass instance2 = JsonCodec.getInstance().load(node, TestClass.class);
assertEquals(instance.getMetaDataInputStream(), instance2.getMetaDataInputStream());
Map<String, InputStream> streams = new HashMap();
streams.put(node.get("metaDataInputStream").asString(), mis);
JsonNode node2 = JsonCodec.getInstance().parse(node.toString(), streams);
assertEquals(node2.get("metaDataInputStream").asStream(), mis);
JsonNode node3 = JsonCodec.getInstance().parse(node.toString(), streams);
TestClass instance3 = JsonCodec.getInstance().load(node3, TestClass.class);
assertEquals(instance.getInputStream(), instance3.getInputStream());
assertTrue(
JsonCodec.getInstance()
.getReferencedStreamCount(node, JsonCodec.getInstance().getSchema(TestClass.class))
.equals(1));
}
public void testEmbeddedObjectInArray() throws Exception {
TokenBuffer buf = new TokenBuffer(MAPPER);
buf.writeStartArray();
buf.writeObject(MARKER);
buf.writeEndArray();
JsonNode node = MAPPER.readTree(buf.asParser());
buf.close();
assertTrue(node.isArray());
assertEquals(1, node.size());
JsonNode n = node.get(0);
assertTrue(n.isPojo());
assertSame(MARKER, ((POJONode) n).getPojo());
}
