@Before
public void createMap() {
map = new SerializationSafeHashMap<Object, Object>();
map.put("key1", "value1");
map.put(new NonSerializableValue("key2"), "value2");
map.put("key3", new NonSerializableValue("value3"));
}
@Test
@SuppressWarnings("unchecked")
public void serialization() throws Exception {
ByteArrayOutputStream target = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(target);
out.writeObject(map);
out.close();
byte[] bytes = target.toByteArray();
assertTrue("Serialized data must not be empty", bytes.length > 0);
assertTrue("Original Map must not be modified", map.size() == 3);
ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes));
Object obj = in.readObject();
in.close();
assertTrue(
"Deserialized object must be of same type", obj instanceof SerializationSafeHashMap<?, ?>);
SerializationSafeHashMap<Object, Object> map2 = (SerializationSafeHashMap) obj;
assertTrue("Deserialized map must contain 'key1'", map2.containsKey("key1"));
assertEquals("Size of the seserialized map must be 1", map2.size(), 1);
}