public void MergeTwoSubsets()
{
RelayTwo relay = new RelayTwo();
TableTwo table = relay.CreateTable("Table1");
table.AddField <string>("name");
table.AddField <bool>("1337");
TableRow row1 = table.CreateRow();
TableRow row2 = table.CreateRow();
TableRow row3 = table.CreateRow();
row1.Set("name", "Arne");
row1.Set("1337", false);
row2.Set("name", "Björn");
row2.Set("1337", true);
row3.Set("name", "Charlie");
row3.Set("1337", false);
Assert.AreEqual(3, table.GetRows().Length);
RelayTwo subsetA = relay.Subset("Table1", (o => o.Get <bool>("1337") == true));
RelayTwo subsetB = relay.Subset("Table1", (o => o.Get <bool>("1337") == false));
subsetA.MergeWith(subsetB);
Assert.Throws <RelayTwo.RelayMergeException>(() => subsetB.MergeWith(relay));
Assert.AreEqual(true, subsetA.Equals(relay));
Assert.AreEqual(false, subsetB.Equals(relay));
}