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//
// DataRowExtensionsTest.cs
//
// Author:
// Marek Habersack (mhabersack@novell.com)
//
// Copyright (C) 2008 Novell, Inc. http://www.novell.com
//
//
// 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 System;
using System.Collections.Generic;
using System.Data;
using NUnit.Framework;
namespace MonoTests.System.Data
{
[TestFixture]
public class DataRowExtensionsTest
{
DataRow SetupRow ()
{
DataTable dt = new DataTable ("TestTable");
DataColumn dc = new DataColumn ("Column1", typeof (string));
dc.AllowDBNull = true;
dt.Columns.Add (dc);
dc = new DataColumn ("Column2", typeof (int));
dc.AllowDBNull = true;
dt.Columns.Add (dc);
DataRow row = dt.NewRow ();
dt.Rows.Add (row);
return row;
}
[Test]
public void Field_T_DBNullFieldValue ()
{
DataRow row = SetupRow ();
row ["Column1"] = null;
row ["Column2"] = DBNull.Value;
string s = row.Field <string> ("Column1");
Assert.AreEqual (null, s, "#A1");
int? i = row.Field <int?> ("Column2");
Assert.AreEqual (null, i, "#A2");
}
[Test]
[ExpectedException (typeof (InvalidCastException))]
public void Field_T_DBNullFieldValue_ValueType ()
{
DataRow row = SetupRow ();
row ["Column1"] = null;
row ["Column2"] = DBNull.Value;
int i = row.Field <int> ("Column2");
}
}
}
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