public void TestDistinctRow()
{
var dsu = new DataSetUtil();
DataTable t1 = new DataTable();
t1.Columns.Add("key");
t1.Columns.Add("value");
DataTable t2 = t1.Clone();
DataRow dr = t1.NewRow();
dr["key"] = "a";
dr["value"] = "1";
t1.Rows.Add(dr);
dr = t1.NewRow();
dr["key"] = "b";
dr["value"] = "1";
t1.Rows.Add(dr);
t1.AcceptChanges();
dr = t2.NewRow();
dr["key"] = "b";
dr["value"] = "1";
t2.Rows.Add(dr);
dr = t2.NewRow();
dr["key"] = "c";
dr["value"] = "1";
t2.Rows.Add(dr);
t2.AcceptChanges();
//重複ありのマージ
t1.Merge(t2);
t1.AcceptChanges();
var ret = dsu.DistinctRow(t1);
Assert.AreEqual(3, ret.Rows.Count);
}