@Test
public void resetJena() {

    IO_Jena.wireIntoJena();
    IO_Jena.resetJena();
    RDFReaderF readerF = new RDFReaderFImpl();
    
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader().getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("RDF/XML").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("RDF/XML-ABBREV").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("N-TRIPLES").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("N-Triples").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("N-TRIPLE").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("N3").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("TURTLE").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("Turtle").getClass());
    assertNotEquals(RDFReaderRIOT.class, readerF.getReader("TTL").getClass());
    
    try { readerF.getReader("NT")      ; fail("Exception expected") ; } catch (NoReaderForLangException e) {}
    try { readerF.getReader("JSON_LD") ; fail("Exception expected") ; } catch (NoReaderForLangException e) {}
    try { readerF.getReader("RDF/JSON"); fail("Exception expected") ; } catch (NoReaderForLangException e) {}
    
    IO_Jena.wireIntoJena();
}