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|
//
// DataTableLoadRowTest.cs - NUnit Test Cases for testing the
// DataTable's LoadRow method
// Author:
// Sureshkumar T (tsureshkumar@novell.com)
//
// Copyright (c) 2004 Novell Inc., and the individuals listed
// on the ChangeLog entries.
//
// 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.
//
#if NET_2_0
using System;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using NUnit.Framework;
namespace MonoTests.System.Data.SqlClient
{
[TestFixture]
public class DataTableLoadRowTest
{
bool rowChanging;
bool rowChanged;
bool rowDeleting;
bool rowDeleted;
DataRow rowInAction_Changing;
DataRowAction rowAction_Changing;
DataRow rowInAction_Changed;
DataRowAction rowAction_Changed;
DataRow rowInAction_Deleting;
DataRowAction rowAction_Deleting;
DataRow rowInAction_Deleted;
DataRowAction rowAction_Deleted;
[Test]
public void LoadRowTest ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("id", typeof (int));
dt.Columns.Add ("name", typeof (string));
dt.Rows.Add (new object [] { 1, "mono 1" });
dt.Rows.Add (new object [] { 2, "mono 2" });
dt.Rows.Add (new object [] { 3, "mono 3" });
dt.PrimaryKey = new DataColumn [] { dt.Columns ["id"] };
dt.AcceptChanges ();
dt.LoadDataRow (new object [] { 4, "mono 4" }, LoadOption.Upsert);
Assert.AreEqual (4, dt.Rows.Count, "#1 has not added a new row");
}
[Test]
public void LoadRowTestUpsert ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("id", typeof (int));
dt.Columns.Add ("name", typeof (string));
dt.Rows.Add (new object [] { 1, "mono 1" });
dt.Rows.Add (new object [] { 2, "mono 2" });
dt.Rows.Add (new object [] { 3, "mono 3" });
dt.PrimaryKey = new DataColumn [] { dt.Columns ["id"] };
dt.AcceptChanges ();
try {
SubscribeEvents (dt);
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test" }, LoadOption.Upsert);
Assert.AreEqual (3, dt.Rows.Count, "#1 should not add a row");
Assert.AreEqual ("mono test", dt.Rows [1] [1], "#2 should change the current");
Assert.AreEqual ("mono 2", dt.Rows [1] [1, DataRowVersion.Original], "#3 should not change original");
Assert.AreEqual (DataRowState.Modified, dt.Rows [1].RowState, "#4 should change state");
Assert.AreEqual (true, rowChanging, "#ev1 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ev2 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changing, "#ev3 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ev4 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ev5 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changed, "#ev6 row action is not Change");
// Row State tests
// current - modified ; result - modified
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test 2" }, LoadOption.Upsert);
Assert.AreEqual ("mono test 2", dt.Rows [1] [1], "#c1 should change the current");
Assert.AreEqual ("mono 2", dt.Rows [1] [1, DataRowVersion.Original], "#c2 should not change original");
Assert.AreEqual (DataRowState.Modified, dt.Rows [1].RowState, "#c3 should not change state");
Assert.AreEqual (true, rowChanging, "#ev11 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ev12 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changing, "#ev13 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ev14 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ev15 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changed, "#ev16 row action is not Change");
// current - Unchanged; result - Unchanged if no new value
dt.AcceptChanges ();
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test 2" }, LoadOption.Upsert);
Assert.AreEqual ("mono test 2", dt.Rows [1] [1], "#c4 should not change the current");
Assert.AreEqual ("mono test 2", dt.Rows [1] [1, DataRowVersion.Original], "#c5 should not change original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [1].RowState, "#c6 should not change state");
Assert.AreEqual (true, rowChanging, "#ev21 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ev22 this row is not intended to change");
Assert.AreEqual (DataRowAction.Nothing, rowAction_Changing, "#ev13 row action is not Nothing");
Assert.AreEqual (true, rowChanged, "#ev24 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ev25 this row is not intended to change");
Assert.AreEqual (DataRowAction.Nothing, rowAction_Changed, "#ev26 row action is not Nothing");
// not the same value again
dt.RejectChanges ();
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test 3" }, LoadOption.Upsert);
Assert.AreEqual (DataRowState.Modified, dt.Rows [1].RowState, "#c7 should not change state");
Assert.AreEqual (true, rowChanging, "#ev31 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ev32 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changing, "#ev33 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ev34 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ev35 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changed, "#ev36 row action is not Change");
// current - added; result - added
dt.Rows.Add (new object [] { 4, "mono 4" });
ResetEventFlags ();
dt.LoadDataRow (new object [] { 4, "mono 4" }, LoadOption.Upsert);
Assert.AreEqual ("mono 4", dt.Rows [3] [1], "#c8 should change the current");
try {
object o = dt.Rows [3] [1, DataRowVersion.Original];
Assert.Fail ("#c9 should have thrown version not found exception");
} catch (VersionNotFoundException) { }
Assert.AreEqual (DataRowState.Added, dt.Rows [3].RowState, "#c10 should not change state");
Assert.AreEqual (true, rowChanging, "#ev41 row changing not called");
Assert.AreEqual (dt.Rows [3], rowInAction_Changing, "#ev42 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changing, "#ev43 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ev44 row changed not called");
Assert.AreEqual (dt.Rows [3], rowInAction_Changed, "#ev45 this row is not intended to change");
Assert.AreEqual (DataRowAction.Change, rowAction_Changed, "#ev46 row action is not Change");
// current - none; result - added
ResetEventFlags ();
dt.LoadDataRow (new object [] { 5, "mono 5" }, LoadOption.Upsert);
Assert.AreEqual ("mono 5", dt.Rows [4] [1], "#c11 should change the current");
try {
object o = dt.Rows [4] [1, DataRowVersion.Original];
Assert.Fail ("#c12 should have thrown version not found exception");
} catch (VersionNotFoundException) { }
Assert.AreEqual (DataRowState.Added, dt.Rows [4].RowState, "#c13 should change state");
Assert.AreEqual (true, rowChanging, "#ev51 row changing not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changing, "#ev52 this row is not intended to change");
Assert.AreEqual (DataRowAction.Add, rowAction_Changing, "#ev53 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ev54 row changed not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changed, "#ev55 this row is not intended to change");
Assert.AreEqual (DataRowAction.Add, rowAction_Changed, "#ev56 row action is not Change");
// current - deleted; result - added a new row
dt.AcceptChanges ();
dt.Rows [4].Delete ();
ResetEventFlags ();
dt.LoadDataRow (new object [] { 5, "mono 5" }, LoadOption.Upsert);
Assert.AreEqual (6, dt.Rows.Count, "#c14 should not add a row");
Assert.AreEqual ("mono 5", dt.Rows [5] [1], "#c15 should change the current");
try {
object o = dt.Rows [5] [1, DataRowVersion.Original];
Assert.Fail ("#c16 expected version not found exception ");
} catch (VersionNotFoundException) { }
Assert.AreEqual (DataRowState.Added, dt.Rows [5].RowState, "#c17 should change state");
Assert.AreEqual (true, rowChanging, "#ev61 row changing not called");
Assert.AreEqual (dt.Rows [5], rowInAction_Changing, "#ev62 this row is not intended to change");
Assert.AreEqual (DataRowAction.Add, rowAction_Changing, "#ev63 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ev64 row changed not called");
Assert.AreEqual (dt.Rows [5], rowInAction_Changed, "#ev65 this row is not intended to change");
Assert.AreEqual (DataRowAction.Add, rowAction_Changed, "#ev66 row action is not Change");
} finally {
UnsubscribeEvents (dt);
}
}
[Test]
public void LoadRowTestOverwriteChanges ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("id", typeof (int));
dt.Columns.Add ("name", typeof (string));
dt.Rows.Add (new object [] { 1, "mono 1" });
dt.Rows.Add (new object [] { 2, "mono 2" });
dt.Rows.Add (new object [] { 3, "mono 3" });
dt.PrimaryKey = new DataColumn [] { dt.Columns ["id"] };
dt.AcceptChanges ();
dt.Rows [1] [1] = "overwrite";
Assert.AreEqual (DataRowState.Modified, dt.Rows [1].RowState, "#1 has not changed the row state");
try {
SubscribeEvents (dt);
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test" }, LoadOption.OverwriteChanges);
Assert.AreEqual (3, dt.Rows.Count, "#2 has not added a new row");
Assert.AreEqual ("mono test", dt.Rows [1] [1], "#3 should change the current");
Assert.AreEqual ("mono test", dt.Rows [1] [1, DataRowVersion.Original], "#4 should change the original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [1].RowState, "#5 has not changed the row state");
Assert.AreEqual (true, rowChanging, "#ltoc11 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ltoc12 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltoc13 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltoc14 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ltoc15 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltoc16 row action is not Change");
DataRow r = dt.Rows [1];
r [1] = "test";
Assert.AreEqual ("test", dt.Rows [1] [1], "#6 should change the current");
Assert.AreEqual ("mono test", dt.Rows [1] [1, DataRowVersion.Original], "#7 should change the original");
//Assert.AreEqual ("ramesh", dt.Rows [1] [1, DataRowVersion.Proposed], "#8 should change the original");
// Row State tests
// current - modified ; result - modified
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test 2" }, LoadOption.OverwriteChanges);
Assert.AreEqual ("mono test 2", dt.Rows [1] [1], "#c1 should change the current");
Assert.AreEqual ("mono test 2", dt.Rows [1] [1, DataRowVersion.Original], "#c2 should change original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [1].RowState, "#c3 should not change state");
Assert.AreEqual (true, rowChanging, "#ltoc21 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ltoc22 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltoc23 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltoc24 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ltoc25 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltoc26 row action is not Change");
// current - Unchanged; result - Unchanged
dt.AcceptChanges ();
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test 2" }, LoadOption.OverwriteChanges);
Assert.AreEqual ("mono test 2", dt.Rows [1] [1], "#c4 should change the current");
Assert.AreEqual ("mono test 2", dt.Rows [1] [1, DataRowVersion.Original], "#c5 should change original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [1].RowState, "#c6 should not change state");
Assert.AreEqual (true, rowChanging, "#ltoc31 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ltoc32 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltoc33 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltoc34 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ltoc35 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltoc36 row action is not Change");
// current - added; result - added
dt.Rows.Add (new object [] { 4, "mono 4" });
ResetEventFlags ();
dt.LoadDataRow (new object [] { 4, "mono 4" }, LoadOption.OverwriteChanges);
Assert.AreEqual ("mono 4", dt.Rows [3] [1], "#c8 should change the current");
Assert.AreEqual ("mono 4", dt.Rows [3] [1, DataRowVersion.Original], "#c9 should change the original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [3].RowState, "#c10 should not change state");
Assert.AreEqual (true, rowChanging, "#ltoc41 row changing not called");
Assert.AreEqual (dt.Rows [3], rowInAction_Changing, "#ltoc42 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltoc43 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltoc44 row changed not called");
Assert.AreEqual (dt.Rows [3], rowInAction_Changed, "#ltoc45 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltoc46 row action is not Change");
// current - new; result - added
ResetEventFlags ();
dt.LoadDataRow (new object [] { 5, "mono 5" }, LoadOption.OverwriteChanges);
Assert.AreEqual ("mono 5", dt.Rows [4] [1], "#c11 should change the current");
Assert.AreEqual ("mono 5", dt.Rows [4] [1, DataRowVersion.Original], "#c12 should change original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [4].RowState, "#c13 should change state");
Assert.AreEqual (true, rowChanging, "#ltoc51 row changing not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changing, "#ltoc52 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltoc53 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltoc54 row changed not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changed, "#ltoc55 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltoc56 row action is not Change");
// current - deleted; result - added a new row
dt.AcceptChanges ();
dt.Rows [4].Delete ();
ResetEventFlags ();
dt.LoadDataRow (new object [] { 5, "mono 51" }, LoadOption.OverwriteChanges);
Assert.AreEqual (5, dt.Rows.Count, "#c14 should not add a row");
Assert.AreEqual ("mono 51", dt.Rows [4] [1], "#c15 should change the current");
Assert.AreEqual ("mono 51", dt.Rows [4] [1, DataRowVersion.Original], "#c16 should change the current");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [4].RowState, "#c17 should change state");
Assert.AreEqual (true, rowChanging, "#ltoc61 row changing not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changing, "#ltoc62 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltoc63 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltoc64 row changed not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changed, "#ltoc65 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltoc66 row action is not Change");
} finally {
UnsubscribeEvents (dt);
}
}
[Test]
public void LoadRowTestPreserveChanges ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("id", typeof (int));
dt.Columns.Add ("name", typeof (string));
dt.Rows.Add (new object [] { 1, "mono 1" });
dt.Rows.Add (new object [] { 2, "mono 2" });
dt.Rows.Add (new object [] { 3, "mono 3" });
dt.PrimaryKey = new DataColumn [] { dt.Columns ["id"] };
dt.AcceptChanges ();
try {
SubscribeEvents (dt);
// current - modified; new - modified
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono test" }, LoadOption.PreserveChanges);
Assert.AreEqual (3, dt.Rows.Count, "#1 should not add a new row");
Assert.AreEqual ("mono test", dt.Rows [1] [1], "#2 should change the current");
Assert.AreEqual ("mono test", dt.Rows [1] [1, DataRowVersion.Original], "#3 should change the original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [1].RowState, "#4 has not changed the row state");
Assert.AreEqual (true, rowChanging, "#ltpc11 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ltpc12 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltpc13 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltpc14 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ltpc15 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltpc16 row action is not Change");
// current - none; new - unchanged
ResetEventFlags ();
dt.LoadDataRow (new object [] { 4, "mono 4" }, LoadOption.PreserveChanges);
Assert.AreEqual (4, dt.Rows.Count,"#5 should add a new row");
Assert.AreEqual ("mono 4", dt.Rows [3] [1], "#6 should change the current");
Assert.AreEqual ("mono 4", dt.Rows [3] [1, DataRowVersion.Original], "#7 should change the original");
Assert.AreEqual (DataRowState.Unchanged, dt.Rows [3].RowState, "#8 has not changed the row state");
Assert.AreEqual (true, rowChanging, "#ltpc21 row changing not called");
Assert.AreEqual (dt.Rows [3], rowInAction_Changing, "#ltpc22 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changing, "#ltpc23 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltpc24 row changed not called");
Assert.AreEqual (dt.Rows [3], rowInAction_Changed, "#ltpc25 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeCurrentAndOriginal, rowAction_Changed, "#ltpc16 row action is not Change");
dt.RejectChanges ();
// current - added; new - modified
dt.Rows.Add (new object [] { 5, "mono 5" });
ResetEventFlags ();
dt.LoadDataRow (new object [] { 5, "mono test" }, LoadOption.PreserveChanges);
Assert.AreEqual (5, dt.Rows.Count, "#9 should not add a new row");
Assert.AreEqual ("mono 5", dt.Rows [4] [1], "#10 should not change the current");
Assert.AreEqual ("mono test", dt.Rows [4] [1, DataRowVersion.Original], "#11 should change the original");
Assert.AreEqual (DataRowState.Modified, dt.Rows [4].RowState, "#12 has not changed the row state");
Assert.AreEqual (true, rowChanging, "#ltpc31 row changing not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changing, "#ltpc32 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeOriginal, rowAction_Changing, "#ltpc33 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltpc34 row changed not called");
Assert.AreEqual (dt.Rows [4], rowInAction_Changed, "#ltpc35 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeOriginal, rowAction_Changed, "#ltpc36 row action is not Change");
dt.RejectChanges ();
// current - deleted ; new - deleted ChangeOriginal
dt.Rows [1].Delete ();
ResetEventFlags ();
dt.LoadDataRow (new object [] { 2, "mono deleted" }, LoadOption.PreserveChanges);
Assert.AreEqual (5, dt.Rows.Count, "#13 should not add a new row");
Assert.AreEqual ("mono deleted", dt.Rows [1] [1, DataRowVersion.Original], "#14 should change the original");
Assert.AreEqual (DataRowState.Deleted, dt.Rows [1].RowState, "#15 has not changed the row state");
Assert.AreEqual (true, rowChanging, "#ltpc41 row changing not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changing, "#ltpc42 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeOriginal, rowAction_Changing, "#ltoc43 row action is not Change");
Assert.AreEqual (true, rowChanged, "#ltpc44 row changed not called");
Assert.AreEqual (dt.Rows [1], rowInAction_Changed, "#ltpc45 this row is not intended to change");
Assert.AreEqual (DataRowAction.ChangeOriginal, rowAction_Changed, "#ltpc46 row action is not Change");
} finally {
UnsubscribeEvents (dt);
}
}
[Test]
public void LoadRowDefaultValueTest ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("id", typeof (int));
dt.Columns.Add ("age", typeof (int));
dt.Columns.Add ("name", typeof (string));
dt.Columns [1].DefaultValue = 20;
dt.Rows.Add (new object [] { 1, 15, "mono 1" });
dt.Rows.Add (new object [] { 2, 25, "mono 2" });
dt.Rows.Add (new object [] { 3, 35, "mono 3" });
dt.PrimaryKey = new DataColumn [] { dt.Columns ["id"] };
dt.AcceptChanges ();
dt.LoadDataRow (new object [] { 2, null, "mono test" }, LoadOption.OverwriteChanges);
Assert.AreEqual (3, dt.Rows.Count, "#1 should not have added a row");
Assert.AreEqual (20, dt.Rows [1] [1], "#2 should be default value");
Assert.AreEqual (20, dt.Rows [1] [1, DataRowVersion.Original], "#3 should be default value");
}
[Test]
public void LoadRowAutoIncrementTest ()
{
DataTable dt = new DataTable ();
dt.Columns.Add ("id", typeof (int));
dt.Columns.Add ("age", typeof (int));
dt.Columns.Add ("name", typeof (string));
dt.Columns [0].AutoIncrementSeed = 10;
dt.Columns [0].AutoIncrementStep = 5;
dt.Columns [0].AutoIncrement = true;
dt.Rows.Add (new object [] { null, 15, "mono 1" });
dt.Rows.Add (new object [] { null, 25, "mono 2" });
dt.Rows.Add (new object [] { null, 35, "mono 3" });
dt.PrimaryKey = new DataColumn [] { dt.Columns ["id"] };
dt.AcceptChanges ();
dt.LoadDataRow (new object [] { null, 20, "mono test" }, LoadOption.OverwriteChanges);
Assert.AreEqual (4, dt.Rows.Count, "#1 has not added a new row");
Assert.AreEqual (25, dt.Rows [3] [0], "#2 current should be ai");
Assert.AreEqual (25, dt.Rows [3] [0, DataRowVersion.Original], "#3 original should be ai");
dt.LoadDataRow (new object [] { 25, 20, "mono test" }, LoadOption.Upsert);
dt.LoadDataRow (new object [] { 25, 20, "mono test 2" }, LoadOption.Upsert);
dt.LoadDataRow (new object [] { null, 20, "mono test aaa" }, LoadOption.Upsert);
Assert.AreEqual (5, dt.Rows.Count, "#4 has not added a new row");
Assert.AreEqual (25, dt.Rows [3] [0], "#5 current should be ai");
Assert.AreEqual (25, dt.Rows [3] [0, DataRowVersion.Original], "#6 original should be ai");
Assert.AreEqual (30, dt.Rows [4] [0], "#7 current should be ai");
}
public void SubscribeEvents (DataTable dt)
{
dt.RowChanging += new DataRowChangeEventHandler (dt_RowChanging);
dt.RowChanged += new DataRowChangeEventHandler (dt_RowChanged);
dt.RowDeleted += new DataRowChangeEventHandler (dt_RowDeleted);
dt.RowDeleting += new DataRowChangeEventHandler (dt_RowDeleting);
//dt.TableNewRow += new DataTableNewRowEventHandler (dt_TableNewRow);
}
public void UnsubscribeEvents (DataTable dt)
{
dt.RowChanging -= new DataRowChangeEventHandler (dt_RowChanging);
dt.RowChanged -= new DataRowChangeEventHandler (dt_RowChanged);
dt.RowDeleted -= new DataRowChangeEventHandler (dt_RowDeleted);
dt.RowDeleting -= new DataRowChangeEventHandler (dt_RowDeleting);
//dt.TableNewRow -= new DataTableNewRowEventHandler (dt_TableNewRow);
}
public void ResetEventFlags ()
{
rowChanging = false;
rowChanged = false;
rowDeleting = false;
rowDeleted = false;
rowInAction_Changing = null;
rowAction_Changing = DataRowAction.Nothing;
rowInAction_Changed = null;
rowAction_Changed = DataRowAction.Nothing;
rowInAction_Deleting = null;
rowAction_Deleting = DataRowAction.Nothing;
rowInAction_Deleted = null;
rowAction_Deleted = DataRowAction.Nothing;
}
void dt_RowDeleting (object sender, DataRowChangeEventArgs e)
{
rowDeleting = true;
rowInAction_Deleting = e.Row;
rowAction_Deleting = e.Action;
}
void dt_RowDeleted (object sender, DataRowChangeEventArgs e)
{
rowDeleted = true;
rowInAction_Deleted = e.Row;
rowAction_Deleted = e.Action;
}
void dt_RowChanged (object sender, DataRowChangeEventArgs e)
{
rowChanged = true;
rowInAction_Changed = e.Row;
rowAction_Changed = e.Action;
}
void dt_RowChanging (object sender, DataRowChangeEventArgs e)
{
rowChanging = true;
rowInAction_Changing = e.Row;
rowAction_Changing = e.Action;
}
}
}
#endif // NET_2_0
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