### Question:
CompressionProviderFactory implements ICompressionProviderFactory { public static CompressionProviderFactory getInstance() { return INSTANCE; } private  CompressionProviderFactory(); static CompressionProviderFactory getInstance(); @Override ICompressionProvider createCompressionProviderInstance( String name ); @Override Collection<ICompressionProvider> getCompressionProviders(); @Override String[] getCompressionProviderNames(); @Override ICompressionProvider getCompressionProviderByName( String name );  }### Answer:
@Test public void testGetInstance() { assertNotNull( factory ); }