gistfile1.txt

With RC and no WSC:

      tm(0).begin();
      cache(0).put(k, "v1");
      final Transaction tx1 = tm(0).suspend();

      //another tx working on the same keys
      tm(0).begin();
      cache(0).put(k, "v2");
      tm(0).commit();
      assert cache(0).get(k).equals("v2");
      assert cache(1).get(k).equals("v2");

      tm(0).resume(tx1);
      tm(0).commit();
      assert cache(0).get(k).equals("v1");
      assert cache(1).get(k).equals("v1");
      
With RR and WSC:

      tm(0).begin();
      cache(0).put(k, "v1");
      final Transaction tx1 = tm(0).suspend();

      //another tx working on the same keys
      tm(0).begin();
      cache(0).put(k, "v2");
      tm(0).commit();
      assert cache(0).get(k).equals("v2");
      assert cache(1).get(k).equals("v2");

      tm(0).resume(tx1);
      try {
         tm(0).commit();
         fail("Should have rolledback with write skew failure");
      } catch (RollbackException e) {
         // Write skew fails
         assert cache(0).get(k).equals("v2");
         assert cache(1).get(k).equals("v2");
      }