/** @throws Exception If failed. */
  public void testRangeSplit() throws Exception {
    IgniteUuid affKey = IgniteUuid.randomUuid();

    IgfsFileAffinityRange range = new IgfsFileAffinityRange(0, 9999, affKey);

    Collection<IgfsFileAffinityRange> split = range.split(10000);

    assertEquals(1, split.size());
    assertTrue(range.regionEqual(F.first(split)));

    split = range.split(5000);

    assertEquals(2, split.size());

    Iterator<IgfsFileAffinityRange> it = split.iterator();

    IgfsFileAffinityRange part = it.next();

    assertTrue(part.regionEqual(new IgfsFileAffinityRange(0, 4999, affKey)));

    part = it.next();

    assertTrue(part.regionEqual(new IgfsFileAffinityRange(5000, 9999, affKey)));

    split = range.split(3000);

    assertEquals(4, split.size());

    it = split.iterator();

    part = it.next();

    assertTrue(part.regionEqual(new IgfsFileAffinityRange(0, 2999, affKey)));

    part = it.next();

    assertTrue(part.regionEqual(new IgfsFileAffinityRange(3000, 5999, affKey)));

    part = it.next();

    assertTrue(part.regionEqual(new IgfsFileAffinityRange(6000, 8999, affKey)));

    part = it.next();

    assertTrue(part.regionEqual(new IgfsFileAffinityRange(9000, 9999, affKey)));
  }
  /** {@inheritDoc} */
  @Override
  public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr)
      throws IgniteCheckedException {
    super.finishUnmarshal(ctx, ldr);

    if (ownedValKeys != null && ownedVals == null) {
      ownedVals = U.newHashMap(ownedValKeys.size());

      assert ownedValKeys.size() == ownedValVals.size();

      Iterator<IgniteTxKey> keyIter = ownedValKeys.iterator();

      Iterator<CacheVersionedValue> valIter = ownedValVals.iterator();

      while (keyIter.hasNext()) {
        IgniteTxKey key = keyIter.next();

        GridCacheContext cctx = ctx.cacheContext(key.cacheId());

        CacheVersionedValue val = valIter.next();

        key.finishUnmarshal(cctx, ldr);

        val.finishUnmarshal(cctx, ldr);

        ownedVals.put(key, val);
      }
    }

    if (retVal != null && retVal.cacheId() != 0) {
      GridCacheContext cctx = ctx.cacheContext(retVal.cacheId());

      assert cctx != null : retVal.cacheId();

      retVal.finishUnmarshal(cctx, ldr);
    }

    if (filterFailedKeys != null) {
      for (IgniteTxKey key : filterFailedKeys) {
        GridCacheContext cctx = ctx.cacheContext(key.cacheId());

        key.finishUnmarshal(cctx, ldr);
      }
    }
  }