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using System;
using System.Data;
using NUnit.Framework;
namespace Monotests_Mono.Data.SqlExpressions
{
[TestFixture]
public class DataColumnExprTest
{
[Test]
public void TestDataColumnExpr0SingleColumnValue ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Col_0.Value", Type.GetType ("System.Int32"));
table.Columns.Add ("Col_1", Type.GetType ("System.Int32"));
table.Columns.Add ("Result", Type.GetType ("System.Int32"), "IIF(Col_0.Value, Col_1 + 5, 0)");
DataRow row = table.NewRow ();
row ["Col_0.Value"] = 0;
row ["Col_1"] = 10;
table.Rows.Add (row);
Assert.AreEqual (0, (int)table.Rows[0][2], "#1");
}
[Test]
public void TestDataColumnLikeExpr ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("c1");
dt.Rows.Add (new string [] { null });
dt.Rows.Add (new string [] { "xax" });
dt.Columns.Add ("c2", typeof (bool), "c1 LIKE '%a%'");
Assert.IsFalse ((bool) dt.Rows [0] [1]);
Assert.IsTrue ((bool) dt.Rows [1] [1]);
}
[Test]
public void TestDataColumnExpr0Literal ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Col_0.Value", Type.GetType ("System.Int32"));
table.Columns.Add ("Col_1", Type.GetType ("System.Int32"));
table.Columns.Add ("Result", Type.GetType ("System.Int32"), "IIF(false, Col_1 + 5, 0)");
DataRow row = table.NewRow ();
row ["Col_0.Value"] = 0;
row ["Col_1"] = 10;
table.Rows.Add (row);
Assert.AreEqual (0, (int)table.Rows[0][2], "#1");
}
[Test]
public void TestDataColumnExpr1 ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Col_0.Value", Type.GetType ("System.Int32"));
table.Columns.Add ("Col_1", Type.GetType ("System.Int32"));
table.Columns.Add ("Result", Type.GetType ("System.Int32"), "IIF(Col_0.Value > 10, Col_1 + 5, 0)");
DataRow row = table.NewRow ();
row ["Col_0.Value"] = 20;
row ["Col_1"] = 10;
table.Rows.Add (row);
Assert.AreEqual ((int)table.Rows[0][1] + 5, table.Rows[0][2], "#1");
}
[Test]
public void TestDataColumnExpr2 ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Col_0.Value", Type.GetType ("System.Int32"));
table.Columns.Add ("Col_1", Type.GetType ("System.Int32"));
table.Columns.Add ("Result", Type.GetType ("System.Int32"), "IIF(Col_0.Value > 10, Col_1 + 5, 0)");
DataRow row = table.NewRow ();
row ["Col_0.Value"] = 9;
row ["Col_1"] = 10;
table.Rows.Add (row);
Assert.AreEqual (0, (int)table.Rows[0][2], "#1");
}
[Test]
public void TestDataColumnSubstring ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Col_0", Type.GetType ("System.String"));
table.Columns.Add ("Result", Type.GetType ("System.String"), "SUBSTRING(Col_0+'K?', 2+2, 2)");
DataRow row = table.NewRow ();
row ["Col_0"] = "Is O";
table.Rows.Add (row);
Assert.AreEqual ("OK", (string)table.Rows[0][1], "#1");
}
[Test]
public void TestConcat ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Result", Type.GetType ("System.Int32"), "'3' + '2'");
DataRow row = table.NewRow ();
table.Rows.Add (row);
Assert.AreEqual (32, table.Rows[0][0], "#1");
}
[Test]
public void TestIsNull ()
{
DataTable table = new DataTable ();
table.Columns.Add ("Result", typeof(bool), "('3') IS NULL");
DataRow row = table.NewRow ();
table.Rows.Add (row);
Assert.AreEqual (false, table.Rows[0][0], "#1");
}
}
[TestFixture]
public class DataColumnCharTest
{
private static DataTable _dt = new DataTable();
[Test]
public void Test1 ()
{
_dt.Columns.Add(new DataColumn("a", typeof(char)));
AddData('1');
AddData('2');
AddData('3');
AddData('A');
Assert.AreEqual (true, FindRow("'A'"), "Test1-1 failed");
Assert.AreEqual (true, FindRow("65"), "Test1-2 failed");
Assert.AreEqual (true, FindRow("'1'"), "Test1-3 failed");
}
[Test]
[ExpectedException(typeof(FormatException))]
public void Test2 ()
{
FindRow("'65'");
}
[Test]
public void Test3 ()
{
Assert.AreEqual (false, FindRow ("1"), "Test3-1 failed");
}
private static bool FindRow(string f)
{
string filter = string.Format("a = {0}", f);
DataRow[] rows = _dt.Select(filter);
if (rows.Length == 0)
return false;
else
return true;
}
private static void AddData(char a)
{
DataRow row = _dt.NewRow();
row["a"] = a;
_dt.Rows.Add(row);
}
}
}
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