public void GetEnumerator()
{
DataSet ds = getDataSet();
int counter = 0;
ds.Relations.Add("rel1", ds.Tables[0].Columns["ParentId"], ds.Tables[1].Columns["ParentId"]);
ds.Relations.Add("rel2", ds.Tables[0].Columns["String1"], ds.Tables[1].Columns["String1"]);
IEnumerator myEnumerator = ds.Relations.GetEnumerator();
while (myEnumerator.MoveNext())
{
counter++;
Assert.Equal("rel", ((DataRelation)myEnumerator.Current).RelationName.Substring(0, 3));
}
Assert.Equal(2, counter);
}