/** 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();
}
}
@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));
}