How to use

makeCollection

method

in

org.apache.commons.collections.collection.AbstractTestCollection

/**
 *  Returns an empty collection for Object tests.
 */
public Object makeObject() {
  return makeCollection();
}

/**
 *  Returns a full collection to be used for testing.  The collection
 *  returned by this method should contain every element returned by
 *  {@link #getFullElements()}.  The default implementation, in fact,
 *  simply invokes <code>addAll</code> on an empty collection with
 *  the results of {@link #getFullElements()}.  Override this default
 *  if your collection doesn't support addAll.
 */
public Collection makeFullCollection() {
  Collection c = makeCollection();
  c.addAll(Arrays.asList(getFullElements()));
  return c;
}

/**
 *  Resets the {@link #collection} and {@link #confirmed} fields to empty
 *  collections.  Invoke this method before performing a modification
 *  test.
 */
public void resetEmpty() {
  this.collection = makeCollection();
  this.confirmed = makeConfirmedCollection();
}

public void testSerializeDeserializeThenCompare() throws Exception {
  Object obj = makeCollection();
  if (obj instanceof Serializable && isTestSerialization()) {
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    ObjectOutputStream out = new ObjectOutputStream(buffer);
    out.writeObject(obj);
    out.close();
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    Object dest = in.readObject();
    in.close();
    if (isEqualsCheckable()) {
      assertEquals("obj != deserialize(serialize(obj)) - EMPTY Collection", obj, dest);
    }
  }
  obj = makeFullCollection();
  if (obj instanceof Serializable && isTestSerialization()) {
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    ObjectOutputStream out = new ObjectOutputStream(buffer);
    out.writeObject(obj);
    out.close();
    ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    Object dest = in.readObject();
    in.close();
    if (isEqualsCheckable()) {
      assertEquals("obj != deserialize(serialize(obj)) - FULL Collection", obj, dest);
    }
  }
}