s1.addProperty( p1, o1 );
s2.addProperty( p2, o2 );
s3.addProperty( p3, o3 );
Statement stmt = ont.createStatement( o1, p3, s1 );
assertIteratorContains( o1.listPropertyValues( p3 ), s1 );
assertTrue( ont.contains( stmt ) );
assertIteratorContains( ont.listStatements( null, p3, (RDFNode) null ), stmt );
assertIteratorContains( ont.listStatements( o1, null, (RDFNode) null ), stmt );
assertIteratorContains( ont.listStatements(), stmt );