@SuppressWarnings("unchecked")
@Test
public void testNullMap() throws Exception {
Map<String, String> src = null;
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(src);
byte[] bytes = out.toByteArray();
Template tmpl = null;
Unpacker unpacker = new Unpacker();
Map<String, String> dst = null;
try {
tmpl = new MapTemplate(StringTemplate.getInstance(), StringTemplate.getInstance());
unpacker.wrap(bytes);
dst = (Map<String, String>) tmpl.unpack(unpacker);
fail();
} catch (Exception e) {
assertTrue(e instanceof MessageTypeException);
}
unpacker.wrap(bytes);
tmpl =
new OptionalTemplate(
new MapTemplate(StringTemplate.getInstance(), StringTemplate.getInstance()));
dst = (Map<String, String>) tmpl.unpack(unpacker);
assertEquals(src, dst);
}
@SuppressWarnings("unchecked")
@Test
public void testMap() throws Exception {
Map<Integer, Integer> emptyMap = new HashMap<Integer, Integer>();
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(emptyMap);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = new MapTemplate(IntegerTemplate.getInstance(), IntegerTemplate.getInstance());
Map<Integer, Integer> dst = (Map<Integer, Integer>) tmpl.unpack(new Unpacker(in));
assertEquals(emptyMap, dst);
}
for (int i = 0; i < 1000; i++) {
Map<Integer, Integer> m = new HashMap<Integer, Integer>();
int len = (int) Math.random() % 1000 + 1;
for (int j = 0; j < len; j++) {
m.put(j, j);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(m);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = new MapTemplate(IntegerTemplate.getInstance(), IntegerTemplate.getInstance());
Map<Integer, Integer> map = (Map<Integer, Integer>) tmpl.unpack(new Unpacker(in));
assertEquals(len, map.size());
for (Map.Entry<Integer, Integer> pair : map.entrySet()) {
Integer val = m.get(pair.getKey());
assertNotNull(val);
assertEquals(val, pair.getValue());
}
}
for (int i = 0; i < 1000; i++) {
Map<String, Integer> m = new HashMap<String, Integer>();
int len = (int) Math.random() % 1000 + 1;
for (int j = 0; j < len; j++) {
m.put(Integer.toString(j), j);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(m);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = new MapTemplate(StringTemplate.getInstance(), IntegerTemplate.getInstance());
Map<String, Integer> map = (Map<String, Integer>) tmpl.unpack(new Unpacker(in));
assertEquals(m.size(), map.size());
for (Map.Entry<String, Integer> pair : map.entrySet()) {
Integer val = m.get(pair.getKey());
assertNotNull(val);
assertEquals(val, pair.getValue());
}
}
}
static void _testLong(Long src) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(src);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = LongTemplate.getInstance();
Long dst = (Long) tmpl.unpack(new Unpacker(in));
assertEquals(src, dst);
}
static void _testBoolean(Boolean src) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(src);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = BooleanTemplate.getInstance();
Boolean dst = (Boolean) tmpl.unpack(new Unpacker(in));
assertEquals(src, dst);
}
static void _testDouble(Double src) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(src);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = DoubleTemplate.getInstance();
Double dst = (Double) tmpl.unpack(new Unpacker(in));
assertEquals(src, dst, 10e-10);
}
static void _testBigInteger(BigInteger src) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack((Object) src);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = BigIntegerTemplate.getInstance();
BigInteger dst = (BigInteger) tmpl.unpack(new Unpacker(in));
assertEquals(src, dst);
}
@SuppressWarnings("unchecked")
@Test
public void testList() throws Exception {
List<Integer> emptyList = new ArrayList<Integer>();
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(emptyList);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = new ListTemplate(IntegerTemplate.getInstance());
List<Integer> dst = (List<Integer>) tmpl.unpack(new Unpacker(in));
assertEquals(emptyList, dst);
}
for (int i = 0; i < 1000; i++) {
List<Integer> l = new ArrayList<Integer>();
int len = (int) Math.random() % 1000 + 1;
for (int j = 0; j < len; j++) {
l.add(j);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(l);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = new ListTemplate(IntegerTemplate.getInstance());
List<Integer> dst = (List<Integer>) tmpl.unpack(new Unpacker(in));
assertEquals(len, dst.size());
for (int j = 0; j < len; j++) {
assertEquals(l.get(j), dst.get(j));
}
}
for (int i = 0; i < 1000; i++) {
List<String> l = new ArrayList<String>();
int len = (int) Math.random() % 1000 + 1;
for (int j = 0; j < len; j++) l.add(Integer.toString(j));
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(l);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Template tmpl = new ListTemplate(StringTemplate.getInstance());
List<String> dst = (List<String>) tmpl.unpack(new Unpacker(in));
assertEquals(len, dst.size());
for (int j = 0; j < len; j++) {
assertEquals(l.get(j), dst.get(j));
}
}
}
@Test
public void testNullLong() throws Exception {
Long src = null;
ByteArrayOutputStream out = new ByteArrayOutputStream();
new Packer(out).pack(src);
byte[] bytes = out.toByteArray();
Template tmpl = null;
Unpacker unpacker = new Unpacker();
Long dst = null;
try {
tmpl = LongTemplate.getInstance();
unpacker.wrap(bytes);
dst = (Long) tmpl.unpack(unpacker);
fail();
} catch (Exception e) {
assertTrue(e instanceof MessageTypeException);
}
unpacker.wrap(bytes);
tmpl = new OptionalTemplate(LongTemplate.getInstance());
dst = (Long) tmpl.unpack(unpacker);
assertEquals(src, dst);
}
public Object unpack(Unpacker pac, Object to) throws IOException, MessageTypeException {
if (messageUnpackable) {
if (to == null) {
try {
to = targetClass.newInstance();
} catch (Exception e) {
throw new MessageTypeException(e);
}
}
((MessageUnpackable) to).messageUnpack(pac);
return to;
}
Template tmpl = TemplateRegistry.tryLookup(lookupType);
if (tmpl == this || tmpl == null) {
throw new MessageTypeException("Template lookup fail: " + lookupType);
}
return tmpl.unpack(pac, to);
}