sc.addStatement(uriB, uriC, uriA, uriC);
sc.addStatement(uriC, uriA, uriB, uriC);
sc.addStatement(uriA, uriB, uriB, uriC);
assertEquals(4L, sc.size(uriC));
assertEquals(10L, sc.size());
sc.clear(uriA, uriC);
assertEquals(1L, sc.size((Resource) null));
assertEquals(0L, sc.size(uriA));
assertEquals(2L, sc.size(uriB));
assertEquals(0L, sc.size(uriC));
assertEquals(3L, sc.size());