@Test public void store_params_13() {

    String xs = "{ \"tdb.triple_indexes\" : [ \"POS\" , \"PSO\"] } " ; 
    JsonObject x = JSON.parse(xs) ;
    StoreParams params = StoreParamsCodec.decode(x) ;
    String[] expected =  { "POS" , "PSO" } ;
    assertArrayEquals(expected, params.getTripleIndexes()) ;
}