linux-packaging-mono/mcs/class/System.Data/Test/System.Data/InvalidConstraintExceptionTest.cs

// Authors:
//   Rafael Mizrahi   <rafim@mainsoft.com>
//   Erez Lotan       <erezl@mainsoft.com>
//   Oren Gurfinkel   <oreng@mainsoft.com>
//   Ofer Borstein
//
// Copyright (c) 2004 Mainsoft Co.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using NUnit.Framework;
using System;
using System.Text;
using System.IO;
using System.Data;
using MonoTests.System.Data.Utils;

namespace MonoTests.System.Data
{
	[TestFixture] public class InvalidConstraintExceptionTest
	{
		[Test] public void Generate()
		{
			DataTable dtParent;
			dtParent= DataProvider.CreateParentDataTable(); 
			Exception tmpEx = new Exception();

			//------ check ForeignKeyConstraint  ---------
			DataTable dtChild = DataProvider.CreateChildDataTable(); 
			DataSet ds = new DataSet();
			ds.Tables.Add(dtChild);
			ds.Tables.Add(dtParent);

			ds.Relations.Add(new DataRelation("myRelation",dtParent.Columns[0],dtChild.Columns[0],true));

			//update to value which is not exists in Parent table
			// InvalidConstraintException - update child row
			try 
			{
				dtChild.Rows[0]["ParentId"] = 99;
				Assert.Fail("ICE1: Rows Indexer failed to raise InvalidConstraintException.");
			}
			catch (InvalidConstraintException) {}
			catch (AssertionException) { throw; }
			catch (Exception exc)
			{
				Assert.Fail("ICE2: Rows Indexer wrong exception type. Got: " + exc);
			}

			//Add another relation to the same column of the existing relation in child table
			// InvalidConstraintException - Add Relation Child
			try 
			{
				ds.Relations.Add(new DataRelation("test",dtParent.Columns[2],dtChild.Columns[0],true));
				Assert.Fail("ICE3: Relations.Add failed to raise InvalidConstraintException.");
			}
			catch (InvalidConstraintException) {}
			catch (AssertionException) { throw; }
			catch (Exception exc)
			{
				Assert.Fail("ICE4: Relations.Add wrong exception type. Got: " + exc);
			}

			//          ?????????????????? should throw exception - according to MSDN 
			//		// InvalidConstraintException - 
			//		//ds.Relations.Clear();
			//		try {
			//			dtParent.Rows[0].GetParentRows("myRelation");
			//			Assert.Fail("ICE5: Relations failed to raise InvalidConstraintException.");
			//		}
			//		catch (InvalidConstraintException) {}
			//		catch (AssertionException) { throw; }
			//		catch (Exception exc)
			//		{
			//			Assert.Fail("ICE6: Relations wrong exception type. Got: " + exc);
			//		}

			//Attempt to clear rows from parent table 
			// InvalidConstraintException - RowsCollection.Clear
			try 
			{
				dtParent.Rows.Clear();
				Assert.Fail("ICE7: Rows.Clear failed to raise InvalidConstraintException.");
			}
			catch (InvalidConstraintException) {}
			catch (AssertionException) { throw; }
			catch (Exception exc)
			{
				Assert.Fail("ICE8: Rows.Clear wrong exception type. Got: " + exc);
			}

			//try to run commands on two different datasets
			DataSet ds1 = new DataSet();
			ds1.Tables.Add(dtParent.Copy());

			// InvalidConstraintException - Add relation with two DataSets
			try 
			{
				ds.Relations.Add(new DataRelation("myRelation",ds1.Tables[0].Columns[0],dtChild.Columns[0],true));
				Assert.Fail("ICE9: Relations.Add failed to raise InvalidConstraintException.");
			}
			catch (InvalidConstraintException) {}
			catch (AssertionException) { throw; }
			catch (Exception exc)
			{
				Assert.Fail("ICE10: Relations.Add wrong exception type. Got: " + exc);
			}
		}
	}
}