@Test
    public void testSaveAndLoad() {
        AssetManager assetManager = new DesktopAssetManager(true);

        FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
        fpp.addFilter(createDirectionalLightShadowFilter(assetManager));
        fpp.addFilter(createSpotLightShadowFilter(assetManager));
        fpp.addFilter(createPointLightShadowFilter(assetManager));

        BinaryExporter.saveAndLoad(assetManager, fpp);
    }
Tests serialization and de-serialization of a {@code FilterPostProcessing}.
jme3-core/src/test/java/com/jme3/shadow/FilterPostProcessingTest.java