public void RemoveAt()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables["Item"].Columns["itemid"]
, _dataset.Tables["Order"].Columns["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
try
{
drcol.RemoveAt(-1);
Assert.False(true);
}
catch (IndexOutOfRangeException e)
{
}
try
{
drcol.RemoveAt(101);
Assert.False(true);
}
catch (IndexOutOfRangeException e)
{
}
drcol.RemoveAt(1);
Assert.False(drcol.Contains(dr2.RelationName));
drcol.RemoveAt(0);
Assert.False(drcol.Contains(dr1.RelationName));
}
public void Remove()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables["Item"].Columns["itemid"]
, _dataset.Tables["Order"].Columns["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
drcol.Remove(dr1);
Assert.False(drcol.Contains(dr1.RelationName));
drcol.Add(dr1);
drcol.Remove("CustOrder");
Assert.False(drcol.Contains("CustOrder"));
drcol.Add(dr1);
DataRelation drnull = null;
drcol.Remove(drnull);
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
AssertExtensions.Throws <ArgumentException>(null, () => drcol.Remove(newdr));
}
public void RemoveAt()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables ["Customer"].Columns ["custid"]
, _dataset.Tables ["Order"].Columns ["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables ["Item"].Columns ["itemid"]
, _dataset.Tables ["Order"].Columns ["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
try {
drcol.RemoveAt(-1);
Assert.Fail("the index was out of bound: must have failed");
} catch (IndexOutOfRangeException e) {
}
try {
drcol.RemoveAt(101);
Assert.Fail("the index was out of bound: must have failed");
} catch (IndexOutOfRangeException e) {
}
drcol.RemoveAt(1);
Assert.That(drcol.Contains(dr2.RelationName), Is.False, "test#5");
drcol.RemoveAt(0);
Assert.That(drcol.Contains(dr1.RelationName), Is.False, "test#6");
}
public void Contains()
{
DataRelationCollection drcol = _dataset.Relations;
DataColumn parentCol = _dataset.Tables["Customer"].Columns["custid"];
DataColumn childCol = _dataset.Tables["Order"].Columns["custid"];
DataRelation dr = new DataRelation("CustOrder", parentCol, childCol);
drcol.Add(dr);
Assert.True(drcol.Contains(dr.RelationName));
string drnull = "";
Assert.False(drcol.Contains(drnull));
dr = new DataRelation("newRelation", childCol, parentCol);
Assert.False(drcol.Contains("NoSuchRelation"));
}
public void Remove()
{
DataRelationCollection drcol = _dataset.Relations;
DataRelation dr1 = new DataRelation("CustOrder"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
DataRelation dr2 = new DataRelation("ItemOrder"
, _dataset.Tables["Item"].Columns["itemid"]
, _dataset.Tables["Order"].Columns["custid"]);
drcol.Add(dr1);
drcol.Add(dr2);
drcol.Remove(dr1);
AssertEquals("test#1", false, drcol.Contains(dr1.RelationName));
drcol.Add(dr1);
drcol.Remove("CustOrder");
AssertEquals("test#2", false, drcol.Contains("CustOrder"));
drcol.Add(dr1);
DataRelation drnull = null;
drcol.Remove(drnull);
DataRelation newdr = new DataRelation("newdr"
, _dataset.Tables["Customer"].Columns["custid"]
, _dataset.Tables["Order"].Columns["custid"]);
try
{
drcol.Remove(newdr);
Fail("Err: removed relation which not part of collection");
}
catch (Exception e)
{
AssertEquals("test#4", typeof(ArgumentException), e.GetType());
}
try
{
drcol.Remove("newdr");
Fail("Err: removed relation which not part of collection");
}
catch (ArgumentException e)
{
}
}
