public void Creation()
{
DataRelation Relation = new DataRelation("Rel", _mom.Columns[1], _child.Columns[0]);
_set.Relations.Add(Relation);
DataRelation Test = null;
Assert.Equal(1, _mom.ChildRelations.Count);
Assert.Equal(0, _child.ChildRelations.Count);
Assert.Equal(0, _mom.ParentRelations.Count);
Assert.Equal(1, _child.ParentRelations.Count);
Test = _child.ParentRelations[0];
Assert.Equal("Rel", Test.ToString());
Assert.Equal("Rel", Test.RelationName);
Assert.Equal("Mom", Test.ParentTable.TableName);
Assert.Equal(1, Test.ParentKeyConstraint.Columns.Length);
Assert.False(Test.ParentKeyConstraint.IsPrimaryKey);
Assert.Equal(1, Test.ParentColumns.Length);
Assert.False(Test.Nested);
Assert.Equal(0, Test.ExtendedProperties.Count);
Assert.Equal("Child", Test.ChildTable.TableName);
Assert.Equal("Rel", Test.ChildKeyConstraint.ConstraintName);
Assert.Equal(1, Test.ChildColumns.Length);
}