PooledObject<TestComponent> pooledObject = factory.wrap(null);

        assertNotNull(pooledObject);
        assertNull(pooledObject.getObject());
    }

    /**
     * Test destroyObject without listener
     */
    public void test_destroyObject_noListener() throws Exception {
        TestComponent component = new TestComponent();

    }

    /**
     * Wraps an object instance into a pooled object.
     * @param obj The object to wrap
     * @return A PooledObject wrapping the given object
     */
    @Override
    public PooledObject<T> wrap(final T obj) {
        return new DefaultPooledObject<>(obj);
    }

    /**
     * Destroys a pooled object and notifies the destroy listener if set.