// Add plain literal statement to the default context.
sc.removeStatements(null, null, plainLitA);
sc.commit();
sc.begin();
before = countStatements(sc, null, uriA, plainLitA, false);
sc.addStatement(uriA, uriA, plainLitA);
sc.addStatement(uriA, uriB, plainLitA);
sc.addStatement(uriB, uriB, plainLitA);
sc.commit();
sc.begin();
after = countStatements(sc, null, uriA, plainLitA, false);