Jo Shields 3c1f479b9d Imported Upstream version 4.0.0~alpha1
Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9
2015-04-07 09:35:12 +01:00

1245 lines
37 KiB
C#

// 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.
//
// Copyright (c) 2006 Novell, Inc.
//
// Authors:
// Jackson Harper jackson@ximian.com
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Reflection;
using System.Windows.Forms;
using NUnit.Framework;
using System.Collections.ObjectModel;
namespace MonoTests.System.Windows.Forms.DataBinding
{
[TestFixture]
public class CurrencyManagerTest : TestHelper
{
[Test]
public void Defaults ()
{
BindingContext bc = new BindingContext ();
ArrayList data_source = new ArrayList ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
Assert.AreSame (data_source, cm.List, "DEFAULTS1");
Assert.AreEqual (0, cm.Count, "DEFAULTS2");
Assert.AreEqual (-1, cm.Position, "DEFAULTS3");
}
[Test]
[ExpectedException (typeof (IndexOutOfRangeException))]
public void UninitializedCurrent ()
{
BindingContext bc = new BindingContext ();
ArrayList data_source = new ArrayList ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
// This line should throw
Assert.AreSame (null, cm.Current, "CurrentOfEmpty");
}
[Test]
public void DataSetList ()
{
DataSet dataset = new DataSet ("DataSet");
DataTable table = new DataTable ("Table");
BindingContext bc = new BindingContext ();
CurrencyManager cm;
dataset.Tables.Add (table);
cm = bc [dataset] as CurrencyManager;
Assert.AreEqual (typeof (DataViewManager), cm.List.GetType (), "DATASETLIST1");
Assert.AreEqual (1, cm.Count, "DATASETLIST2");
Assert.AreEqual (0, cm.Position, "DATASETLIST3");
// Assert.AreEqual (typeof (DataViewManagerListItemTypeDescriptor), cm.Current.GetType (),
// "DATASETLIST4");
}
[Test]
public void DataSetListTable ()
{
DataSet dataset = new DataSet ("DataSet");
DataTable table = new DataTable ("Table");
BindingContext bc = new BindingContext ();
CurrencyManager cm;
dataset.Tables.Add (table);
cm = bc [dataset, "Table"] as CurrencyManager;
Assert.AreEqual (typeof (DataView), cm.List.GetType (), "DATASETLIST1");
Assert.AreEqual (0, cm.Count, "DATASETLIST2");
Assert.AreEqual (-1, cm.Position, "DATASETLIST3");
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void DataSetListTableBogusField ()
{
DataSet dataset = new DataSet ("DataSet");
DataTable table = new DataTable ("Table.Column");
BindingContext bc = new BindingContext ();
CurrencyManager cm;
dataset.Tables.Add (table);
// child list can't be created
cm = bc [dataset, "Table"] as CurrencyManager;
TestHelper.RemoveWarning (cm);
}
[Test] // bug #80107
public void DataView ()
{
DataView dv = new DataView ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [dv, string.Empty] as CurrencyManager;
Assert.IsNotNull (cm, "#A1");
Assert.AreEqual (0, cm.Count, "#A2");
Assert.AreEqual (-1, cm.Position, "#A3");
DataTable dt = new DataTable ("Testdata");
dt.Columns.Add ("A");
dt.Columns.Add ("B");
dt.Rows.Add (new object [] { "A1", "B1" });
dt.Rows.Add (new object [] { "A2", "B2" });
dv.Table = dt;
Assert.AreEqual (2, cm.Count, "#B1");
Assert.AreEqual (0, cm.Position, "#B2");
}
[Test]
public void IsBindingEmptyDataSource ()
{
Control c = new Control ();
c.BindingContext = new BindingContext ();
c.CreateControl ();
BindingList<string> list = new BindingList<string> ();
CurrencyManager cm = (CurrencyManager)c.BindingContext [list];
Assert.AreEqual (true, cm.IsBindingSuspended, "A1");
cm.ResumeBinding ();
Assert.AreEqual (true, cm.IsBindingSuspended, "B1");
list.Add ("A");
Assert.AreEqual (false, cm.IsBindingSuspended, "D1");
list.Clear ();
Assert.AreEqual (true, cm.IsBindingSuspended, "E1");
}
[Test]
public void MoveArrayListForward ()
{
ArrayList data_source = new ArrayList ();
BindingContext bc = new BindingContext ();
for (int i = 0; i < 10; i++)
data_source.Add (new object ());
CurrencyManager cm = bc [data_source] as CurrencyManager;
for (int i = 0; i < 10; i++) {
Assert.AreSame (data_source [i], cm.Current, "MOVEALF" + i);
cm.Position++;
}
cm.Position++;
cm.Position++;
Assert.AreSame (data_source [9], cm.Current, "MOVEALFEND");
}
[Test]
public void MoveArrayListBackward ()
{
ArrayList data_source = new ArrayList ();
BindingContext bc = new BindingContext ();
for (int i = 0; i < 10; i++)
data_source.Add (new object ());
CurrencyManager cm = bc [data_source] as CurrencyManager;
cm.Position = 9;
for (int i = 9; i >= 0; i--) {
Assert.AreSame (data_source [i], cm.Current, "MOVEALB" + i);
cm.Position--;
}
cm.Position--;
cm.Position--;
Assert.AreSame (data_source [0], cm.Current, "MOVEALBSTART");
}
[Test]
public void SetPositionArrayList ()
{
ArrayList data_source = new ArrayList ();
BindingContext bc = new BindingContext ();
for (int i = 0; i < 10; i++)
data_source.Add (new object ());
CurrencyManager cm = bc [data_source] as CurrencyManager;
for (int i = 3; i >= 0; i--) {
cm.Position = i;
Assert.AreSame (data_source [i], cm.Current, "MOVEAL1-" + i);
}
cm.Position--;
for (int i = 0; i < 10; i++) {
cm.Position = i;
Assert.AreSame (data_source [i], cm.Current, "MOVEAL2-" + i);
}
for (int i = 5; i < 10; i++) {
cm.Position = i;
Assert.AreSame (data_source [i], cm.Current, "MOVEAL3-" + i);
}
}
[Test]
public void LateBuildDataTable ()
{
DataTable data_source = new DataTable ("Table");
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
Assert.AreEqual (-1, cm.Position, "LATEBUILDTABLE1");
Assert.AreEqual (0, cm.Count, "LATEBUILDTABLE2");
DataColumn column = new DataColumn ("Column");
column.DataType = typeof (int);
data_source.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = data_source.NewRow ();
row ["Column"] = i;
data_source.Rows.Add (row);
}
Assert.AreEqual (0, cm.Position, "LATEBUILDTABLE3");
Assert.AreEqual (10, cm.Count, "LATEBUILDTABLE4");
}
[Test]
public void LateBuildArrayList ()
{
ArrayList data_source = new ArrayList ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
Assert.AreEqual (-1, cm.Position, "LATEBUILDLIST1");
Assert.AreEqual (0, cm.Count, "LATEBUILDLIST2");
data_source.AddRange (new object [] { 1, 2, 3, 4, 5, 6, 7 });
Assert.AreEqual (-1, cm.Position, "LATEBUILDLIST3");
Assert.AreEqual (7, cm.Count, "LATEBUILDLIST4");
}
[Test]
public void MoveDataTableForward ()
{
DataTable data_source = new DataTable ("Table");
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
DataColumn column = new DataColumn ("Column");
column.DataType = typeof (int);
data_source.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = data_source.NewRow ();
row ["Column"] = i;
data_source.Rows.Add (row);
}
for (int i = 0; i < 10; i++) {
DataRowView row = cm.Current as DataRowView;
Assert.IsFalse (row == null, "MOVETABLEF-NULL-" + i);
Assert.AreEqual (row ["Column"], i, "MOVETABLEF-" + i);
cm.Position++;
}
cm.Position++;
cm.Position++;
Assert.AreEqual (9, ((DataRowView) cm.Current) ["Column"], "MOVETABLEF-END");
}
[Test]
public void MoveDataTableBackward ()
{
DataTable data_source = new DataTable ("Table");
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
DataColumn column = new DataColumn ("Column");
column.DataType = typeof (int);
data_source.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = data_source.NewRow ();
row ["Column"] = i;
data_source.Rows.Add (row);
}
cm.Position = 9;
for (int i = 9; i >= 0; i--) {
DataRowView row = cm.Current as DataRowView;
Assert.IsFalse (row == null, "MOVETABLEB-NULL-" + i);
Assert.AreEqual (row ["Column"], i, "MOVETABLEB-" + i);
cm.Position--;
}
cm.Position--;
cm.Position--;
Assert.AreEqual (0, ((DataRowView) cm.Current) ["Column"], "MOVETABLEB-START");
}
[Test]
public void SetPositionDataTable ()
{
DataTable data_source = new DataTable ("Table");
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
DataColumn column = new DataColumn ("Column");
column.DataType = typeof (int);
data_source.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = data_source.NewRow ();
row ["Column"] = i;
data_source.Rows.Add (row);
}
for (int i = 5; i < 10; i++) {
cm.Position = i;
DataRowView row = cm.Current as DataRowView;
Assert.IsFalse (row == null, "SETTABLE1-NULL-" + i);
Assert.AreEqual (row ["Column"], i, "SETTABLE1-" + i);
}
for (int i = 5; i >= 0; i--) {
cm.Position = i;
DataRowView row = cm.Current as DataRowView;
Assert.IsFalse (row == null, "SETTABLE2-NULL-" + i);
Assert.AreEqual (row ["Column"], i, "SETTABLE2-" + i);
}
}
[Test]
public void NavigateDataSetToTable ()
{
DataSet data_source = new DataSet ("DataSet");
DataTable table = new DataTable ("Table");
DataColumn column = new DataColumn ("Column");
BindingContext bc = new BindingContext ();
data_source.Tables.Add (table);
column.DataType = typeof (int);
table.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = table.NewRow ();
row ["Column"] = i;
table.Rows.Add (row);
}
CurrencyManager cm = bc [data_source, "Table"] as CurrencyManager;
Assert.AreEqual (0, cm.Position, "NAVSETTOTABLE1");
Assert.AreEqual (10, cm.Count, "NAVSETTOTABLE2");
Assert.AreEqual (typeof (DataView), cm.List.GetType (), "NAVSETTOTABLE3");
for (int i = 0; i < 10; i++) {
DataRowView row = cm.Current as DataRowView;
Assert.IsFalse (row == null, "NAVSETTOTABLE-NULL-" + i);
Assert.AreEqual (i, row ["Column"], "NAVSETTOTABLE-" + i);
cm.Position++;
}
cm.Position++;
cm.Position++;
Assert.AreEqual (9, ((DataRowView) cm.Current) ["Column"], "NAVSETTOTABLE-END");
}
[Test]
public void NavigateDataSetToColumn ()
{
DataSet data_source = new DataSet ("DataSet");
DataTable table = new DataTable ("Table");
DataColumn column = new DataColumn ("Column");
BindingContext bc = new BindingContext ();
data_source.Tables.Add (table);
column.DataType = typeof (int);
table.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = table.NewRow ();
row ["Column"] = i;
table.Rows.Add (row);
}
CurrencyManager cm = bc [data_source, "Table.Column"] as CurrencyManager;
Assert.AreEqual (null, cm, "NAVSETTOCOLUMN1");
}
[Test]
public void NavigateDataSetToParentRelation ()
{
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1.Relation"] as CurrencyManager;
Assert.AreEqual (0, cm.Position, "NAVSETTORELATION1");
Assert.AreEqual (1, cm.Count, "NAVSETTORELATION2");
Assert.IsTrue (cm.List is DataView, "NAVSETTORELATION3");
DataRowView row = cm.Current as DataRowView;
Assert.IsFalse (row == null, "NAVSETTORELATION-NULL-VALUE");
Assert.AreEqual (0, row ["Two"], "NAVSETTORELATION-VALUE");
cm.Position++;
cm.Position++;
Assert.AreEqual (0, ((DataRowView) cm.Current) ["Two"], "NAVSETTORELATION-END");
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void DataSetToChildRelation ()
{
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
// Can't create a list on a child relation
CurrencyManager cm = bc [data_source, "Table2.Relation"] as CurrencyManager;
TestHelper.RemoveWarning (cm);
}
[Test]
public void DataSetToParentRelationField ()
{
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1.Relation.Two"] as CurrencyManager;
Assert.AreEqual (null, cm, "SETTOPARENTRELATIONFIELD");
}
[Test]
public void MultiColumnedRelation ()
{
DataSet dataset = new DataSet ();
DataTable sports = new DataTable ("Sports");
DataTable athletes = new DataTable ("Athletes");
DataColumn column;
DataRow row;
column = new DataColumn ();
column.DataType = typeof (int);
column.ColumnName = "SportID";
column.Unique = true;
sports.Columns.Add (column);
column = new DataColumn ();
column.DataType = typeof (string);
column.ColumnName = "SportName";
sports.Columns.Add (column);
string [] sports_names = new string [] { "Hockey", "Baseball", "Basketball", "Football", "Boxing", "Surfing" };
for (int i = 0; i < sports_names.Length; i++) {
row = sports.NewRow ();
row ["SportID"] = i;
row ["SportName"] = sports_names [i];
sports.Rows.Add (row);
}
// Athletes table
column = new DataColumn ();
column.DataType = typeof (int);
column.ColumnName = "AthleteID";
column.Unique = true;
athletes.Columns.Add (column);
column = new DataColumn ();
column.DataType = typeof (int);
column.ColumnName = "Sport";
athletes.Columns.Add (column);
column = new DataColumn ();
column.DataType = typeof (string);
column.ColumnName = "AthleteName";
athletes.Columns.Add (column);
string [] athlete_names = new string [] { "@alp", "@lupus", "@tjfontaine", "duncan", "marv", "WindowsUninstall",
"@jackson", "@migHome", "_Synced[work]", "GodZhila", "Raboo",
"@jchambers", "@mkestner", "barbosa", "IzeBurn", "squinky86",
"@kangaroo", "@paco", "Demian", "logiclrd", "tenshiKur0" };
for (int i = 0; i < athlete_names.Length; i++) {
row = athletes.NewRow ();
row ["AthleteID"] = i;
row ["Sport"] = i % sports_names.Length;
row ["AthleteName"] = athlete_names [i];
athletes.Rows.Add (row);
}
dataset.Tables.Add (sports);
dataset.Tables.Add (athletes);
dataset.Relations.Add ("AthletesSports", sports.Columns ["SportID"], athletes.Columns ["Sport"]);
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [dataset, "Sports.AthletesSports"] as CurrencyManager;
Assert.AreEqual (0, cm.Position, "MC1");
Assert.AreEqual (4, cm.Count, "MC2");
DataRowView rowview = cm.Current as DataRowView;
Assert.IsFalse (rowview == null, "MC3");
Assert.AreEqual (0, rowview ["AthleteID"], "MC4");
Assert.AreEqual ("@alp", rowview ["AthleteName"], "MC5");
Assert.AreEqual (0, rowview ["Sport"], "MC6");
cm.Position++;
rowview = cm.Current as DataRowView;
Assert.IsFalse (rowview == null, "MC7");
Assert.AreEqual (6, rowview ["AthleteID"], "MC8");
Assert.AreEqual ("@jackson", rowview ["AthleteName"], "MC9");
Assert.AreEqual (0, rowview ["Sport"], "MC10");
cm.Position++;
rowview = cm.Current as DataRowView;
Assert.IsFalse (rowview == null, "MC11");
Assert.AreEqual (12, rowview ["AthleteID"], "MC12");
Assert.AreEqual ("@mkestner", rowview ["AthleteName"], "MC13");
Assert.AreEqual (0, rowview ["Sport"], "MC14");
cm.Position++;
rowview = cm.Current as DataRowView;
Assert.IsFalse (rowview == null, "MC15");
Assert.AreEqual (18, rowview ["AthleteID"], "MC16");
Assert.AreEqual ("Demian", rowview ["AthleteName"], "MC17");
Assert.AreEqual (0, rowview ["Sport"], "MC18");
cm.Position++;
rowview = cm.Current as DataRowView;
Assert.IsFalse (rowview == null, "MC19");
Assert.AreEqual (18, rowview ["AthleteID"], "MC20");
Assert.AreEqual ("Demian", rowview ["AthleteName"], "MC21");
Assert.AreEqual (0, rowview ["Sport"], "MC22");
}
private DataSet CreateRelatedDataSet ()
{
DataSet dataset = new DataSet ("DataSet");
DataTable dt1 = new DataTable ("Table1");
DataTable dt2 = new DataTable ("Table2");
DataColumn column;
column = new DataColumn ("One");
column.DataType = typeof (int);
column.Unique = true;
dt1.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = dt1.NewRow ();
row ["One"] = i;
dt1.Rows.Add (row);
}
column = new DataColumn ("Two");
column.DataType = typeof (int);
column.Unique = true;
dt2.Columns.Add (column);
for (int i = 0; i < 10; i++) {
DataRow row = dt2.NewRow ();
row ["Two"] = i;
dt2.Rows.Add (row);
}
dataset.Tables.Add (dt1);
dataset.Tables.Add (dt2);
dataset.Relations.Add ("Relation", dt1.Columns ["One"], dt2.Columns ["Two"]);
return dataset;
}
[Test]
public void EndUninitializedEdit ()
{
ArrayList list = new ArrayList ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [list] as CurrencyManager;
cm.EndCurrentEdit ();
}
[Test]
public void CancelUninitializedEdit ()
{
ArrayList list = new ArrayList ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [list] as CurrencyManager;
cm.CancelCurrentEdit ();
}
[Test]
public void CheckPositionOfRelatedSibling1 ()
{
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1.Relation"] as CurrencyManager;
CurrencyManager scm = bc [data_source, "Table1"] as CurrencyManager;
cm.Position++;
cm.Position++;
// position is not updated
Assert.AreEqual (0, scm.Position, "#8");
}
[Test]
public void CheckPositionOfRelatedSibling2 ()
{
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1.Relation"] as CurrencyManager;
CurrencyManager scm = bc [data_source, "Table1"] as CurrencyManager;
Assert.AreEqual (0, cm.Position, "#1");
scm.Position++;
Assert.AreEqual (0, cm.Position, "#2");
}
int event_num;
int current_changed;
int position_changed;
int item_changed;
int metadata_changed;
string event_log = "";
ItemChangedEventArgs item_changed_args;
bool list_changed_called;
ListChangedEventArgs list_changed_args;
void CurrentChanged (object sender, EventArgs args)
{
current_changed = ++event_num;
Console.WriteLine ("current_changed = {0}", current_changed);
//Console.WriteLine (Environment.StackTrace);
event_log += String.Format ("{0}: CurrentChanged\n", current_changed);
}
void PositionChanged (object sender, EventArgs args)
{
position_changed = ++event_num;
Console.WriteLine ("position_changed = {0}", position_changed);
//Console.WriteLine (Environment.StackTrace);
event_log += String.Format ("{0}: PositionChanged (to {1})\n", position_changed, ((CurrencyManager)sender).Position);
}
void ItemChanged (object sender, ItemChangedEventArgs args)
{
item_changed = ++event_num;
item_changed_args = args;
Console.WriteLine ("item_changed = {0}, index = {1}", item_changed, args.Index);
//Console.WriteLine (Environment.StackTrace);
event_log += String.Format ("{0}: ItemChanged (index = {1})\n", item_changed, args.Index);
}
void ListChanged (object sender, ListChangedEventArgs args)
{
Console.WriteLine ("ListChanged ({0},{1},{2})", args.ListChangedType, args.OldIndex, args.NewIndex);
//Console.WriteLine (Environment.StackTrace);
event_log += String.Format (" : ListChanged ({0}, {1}, {2})\n", args.ListChangedType, args.OldIndex, args.NewIndex);
}
void MetaDataChanged (object sender, EventArgs args)
{
metadata_changed = ++event_num;
Console.WriteLine ("metadata_changed = {0}", metadata_changed);
//Console.WriteLine (Environment.StackTrace);
event_log += String.Format ("{0}: MetaDataChanged\n", metadata_changed);
}
// CurrencyManager.ListChanged handler, not IBindingList.ListChanged
void ListChangedEvent (object sender, ListChangedEventArgs args)
{
list_changed_called = true;
list_changed_args = args;
Console.WriteLine ("CurrencyManager.ListChanged ({0},{1},{2})", args.ListChangedType, args.OldIndex, args.NewIndex);
}
[Test]
public void AddNew ()
{
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1"] as CurrencyManager;
event_num = current_changed = position_changed = -1;
cm.CurrentChanged += new EventHandler (CurrentChanged);
cm.PositionChanged += new EventHandler (PositionChanged);
cm.ItemChanged += new ItemChangedEventHandler (ItemChanged);
list_changed_called = false;
cm.ListChanged += new ListChangedEventHandler (ListChangedEvent);
Assert.AreEqual (0, cm.Position, "AddNew1");
Assert.AreEqual (10, cm.Count, "AddNew2");
Assert.AreEqual (cm.Count, cm.List.Count, "AddNew2.5");
cm.AddNew ();
Assert.AreEqual (10, cm.Position, "AddNew3");
Assert.AreEqual (11, cm.Count, "AddNew4");
Assert.AreEqual (cm.Count, cm.List.Count, "AddNew4.5");
Assert.AreEqual (0, item_changed, "AddNew5");
Assert.AreEqual (-1, item_changed_args.Index, "AddNew6");
Assert.AreEqual (1, current_changed, "AddNew7");
Assert.AreEqual (2, position_changed, "AddNew8");
Assert.AreEqual (true, list_changed_called, "AddNew9");
Assert.AreEqual (-1, list_changed_args.OldIndex, "AddNew10");
Assert.AreEqual (10, list_changed_args.NewIndex, "AddNew11");
cm.CurrentChanged -= new EventHandler (CurrentChanged);
cm.PositionChanged -= new EventHandler (PositionChanged);
cm.ListChanged -= new ListChangedEventHandler (ListChangedEvent);
}
[Test]
public void CancelAddNew ()
{
if (TestHelper.RunningOnUnix) {
Assert.Ignore ("Fails at the moment");
}
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1"] as CurrencyManager;
DataView dv = cm.List as DataView;
event_num = current_changed = position_changed = -1;
cm.CurrentChanged += new EventHandler (CurrentChanged);
cm.PositionChanged += new EventHandler (PositionChanged);
cm.ItemChanged += new ItemChangedEventHandler (ItemChanged);
dv.ListChanged += new ListChangedEventHandler (ListChanged);
Assert.AreEqual (0, cm.Position, "CancelAddNew1");
Assert.AreEqual (10, cm.Count, "CancelAddNew2");
Assert.AreEqual (cm.Count, cm.List.Count, "AddNew2.5");
cm.AddNew ();
Assert.AreEqual (0, item_changed, "CancelAddNew3");
Assert.AreEqual (-1, item_changed_args.Index, "CancelAddNew4");
Assert.AreEqual (1, current_changed, "CancelAddNew5");
Assert.AreEqual (2, position_changed, "CancelAddNew6");
cm.CancelCurrentEdit ();
Assert.AreEqual (6, item_changed, "CancelAddNew7");
Assert.AreEqual (9, item_changed_args.Index, "CancelAddNew8");
Assert.AreEqual (3, current_changed, "CancelAddNew9");
Assert.AreEqual (4, position_changed, "CancelAddNew10");
Assert.AreEqual (9, cm.Position, "CancelAddNew11");
Assert.AreEqual (10, cm.Count, "CancelAddNew12");
Assert.AreEqual (cm.Count, cm.List.Count, "AddNew12.5");
cm.CurrentChanged -= new EventHandler (CurrentChanged);
cm.PositionChanged -= new EventHandler (PositionChanged);
}
class CancelAddNewList<T> : Collection<T>, ICancelAddNew
{
public bool EndNewCalled;
public bool CancelNewCalled;
public int LastIndex = -1;
public void EndNew (int index)
{
EndNewCalled = true;
LastIndex = index;
}
public void CancelNew (int index)
{
CancelNewCalled = true;
LastIndex = index;
}
public void Reset ()
{
EndNewCalled = CancelNewCalled = false;
LastIndex = -1;
}
}
// Support for ICancelNew interface
[Test]
public void CancelAddNew2 ()
{
BindingContext bc = new BindingContext ();
CancelAddNewList<int> list = new CancelAddNewList<int> ();
list.Add (4);
list.Add (6);
CurrencyManager cm = (CurrencyManager)bc [list];
Assert.AreEqual (false, list.EndNewCalled, "A1");
Assert.AreEqual (false, list.CancelNewCalled, "A2");
Assert.AreEqual (-1, list.LastIndex, "A3");
cm.CancelCurrentEdit ();
Assert.AreEqual (false, list.EndNewCalled, "B1");
Assert.AreEqual (true, list.CancelNewCalled, "B2");
Assert.AreEqual (0, list.LastIndex, "B3");
cm.Position = 1;
list.Reset ();
cm.CancelCurrentEdit ();
Assert.AreEqual (false, list.EndNewCalled, "C1");
Assert.AreEqual (true, list.CancelNewCalled, "C2");
Assert.AreEqual (1, list.LastIndex, "C3");
}
[Test]
public void EndAddNew ()
{
if (TestHelper.RunningOnUnix) {
Assert.Ignore ("Fails with 2.0 profile");
}
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source.Tables["Table1"], ""] as CurrencyManager;
data_source.Tables["Table1"].DefaultView.ListChanged +=
new ListChangedEventHandler (DataView_ListChanged);
event_num = current_changed = position_changed = -1;
cm.CurrentChanged += new EventHandler (CurrentChanged);
cm.PositionChanged += new EventHandler (PositionChanged);
cm.ItemChanged += new ItemChangedEventHandler (ItemChanged);
Assert.AreEqual (0, cm.Position, "EndAddNew1");
Assert.AreEqual (10, cm.Count, "EndAddNew2");
cm.AddNew ();
Console.WriteLine ("position = {0}", cm.Position);
Assert.AreEqual (0, item_changed, "EndAddNew3");
Assert.AreEqual (-1, item_changed_args.Index, "EndAddNew4");
Assert.AreEqual (1, current_changed, "EndAddNew5");
Assert.AreEqual (2, position_changed, "EndAddNew6");
cm.EndCurrentEdit ();
Console.WriteLine ("position = {0}", cm.Position);
Assert.AreEqual (3, item_changed, "EndAddNew7");
Assert.AreEqual (-1, item_changed_args.Index, "EndAddNew8");
Assert.AreEqual (1, current_changed, "EndAddNew9");
Assert.AreEqual (2, position_changed, "EndAddNew10");
Assert.AreEqual (10, cm.Position, "EndAddNew11");
Assert.AreEqual (11, cm.Count, "EndAddNew12");
cm.CurrentChanged -= new EventHandler (CurrentChanged);
cm.PositionChanged -= new EventHandler (PositionChanged);
}
void DataView_ListChanged (object sender, ListChangedEventArgs e)
{
Console.WriteLine ("{0} {1} {2}", e.ListChangedType, e.OldIndex, e.NewIndex);
}
// Support for ICancelNew interface
[Test]
public void EndAddNew2 ()
{
BindingContext bc = new BindingContext ();
CancelAddNewList<int> list = new CancelAddNewList<int> ();
list.Add (4);
list.Add (6);
CurrencyManager cm = (CurrencyManager)bc [list];
Assert.AreEqual (false, list.EndNewCalled, "A1");
Assert.AreEqual (false, list.CancelNewCalled, "A2");
Assert.AreEqual (-1, list.LastIndex, "A3");
cm.EndCurrentEdit ();
Assert.AreEqual (true, list.EndNewCalled, "B1");
Assert.AreEqual (false, list.CancelNewCalled, "B2");
Assert.AreEqual (0, list.LastIndex, "B3");
cm.Position = 1;
list.Reset ();
cm.EndCurrentEdit ();
Assert.AreEqual (true, list.EndNewCalled, "C1");
Assert.AreEqual (false, list.CancelNewCalled, "C2");
Assert.AreEqual (1, list.LastIndex, "C3");
}
[Test]
public void AddNew2 ()
{
if (TestHelper.RunningOnUnix) {
Assert.Ignore ("Fails at the moment due to a System.Data constraint violation");
}
DataSet data_source = CreateRelatedDataSet ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Table1"] as CurrencyManager;
DataView dv = cm.List as DataView;
event_num = current_changed = position_changed = -1;
cm.CurrentChanged += new EventHandler (CurrentChanged);
cm.PositionChanged += new EventHandler (PositionChanged);
cm.ItemChanged += new ItemChangedEventHandler (ItemChanged);
dv.ListChanged += new ListChangedEventHandler (ListChanged);
Assert.AreEqual (0, cm.Position, "AddNew1");
Assert.AreEqual (10, cm.Count, "AddNew2");
cm.AddNew ();
Assert.AreEqual (10, cm.Position, "AddNew3");
Assert.AreEqual (11, cm.Count, "AddNew4");
// this does an implicit EndCurrentEdit
cm.AddNew ();
Assert.AreEqual (11, cm.Position, "AddNew5");
Assert.AreEqual (12, cm.Count, "AddNew6");
}
DataSet CreateRelatedDataSetLarge ()
{
DataSet dataset = new DataSet ("CustomerSet");
DataTable dt1 = new DataTable ("Customers");
DataTable dt2 = new DataTable ("Orders");
DataTable dt3 = new DataTable ("Addresses");
DataColumn column;
// customer table
column = new DataColumn ("CustomerID");
column.DataType = typeof (int);
column.Unique = true;
dt1.Columns.Add (column);
column = new DataColumn ("CustomerName");
column.DataType = typeof (string);
column.Unique = false;
dt1.Columns.Add (column);
// order table
column = new DataColumn ("OrderID");
column.DataType = typeof (int);
column.Unique = true;
dt2.Columns.Add (column);
column = new DataColumn ("ItemName");
column.DataType = typeof (string);
column.Unique = false;
dt2.Columns.Add (column);
column = new DataColumn ("CustomerID");
column.DataType = typeof (int);
column.Unique = false;
dt2.Columns.Add (column);
column = new DataColumn ("AddressID");
column.DataType = typeof (int);
column.Unique = false;
dt2.Columns.Add (column);
// address table
column = new DataColumn ("AddressID");
column.DataType = typeof (int);
column.Unique = true;
dt3.Columns.Add (column);
column = new DataColumn ("AddressString");
column.DataType = typeof (string);
column.Unique = false;
dt3.Columns.Add (column);
column = new DataColumn ("CustomerID");
column.DataType = typeof (int);
column.Unique = false;
dt3.Columns.Add (column);
for (int i = 0; i < 10; i ++) {
DataRow row = dt1.NewRow ();
row["CustomerID"] = i;
row["CustomerName"] = String.Format ("Customer Name #{0}", i);
dt1.Rows.Add (row);
}
int ordernum = 0;
for (int i = 0; i < 10; i ++) {
for (int j = 0; j < (i < 5 ? 3 : 5); j ++) {
DataRow row = dt2.NewRow ();
row["OrderID"] = ordernum++;
row["ItemName"] = String.Format ("Item order #{0}", j);
row["CustomerID"] = i;
row["AddressID"] = j;
dt2.Rows.Add (row);
}
}
int addressid = 0;
for (int i = 0; i < 4; i ++) {
for (int j = 0; j < 4; j ++) {
DataRow row = dt3.NewRow ();
row["AddressID"] = addressid++;
row["AddressString"] = String.Format ("Customer Address {0}", j);
row["CustomerID"] = i;
dt3.Rows.Add (row);
}
}
dataset.Tables.Add (dt1);
dataset.Tables.Add (dt2);
dataset.Tables.Add (dt3);
dataset.Relations.Add ("Customer_Orders", dt1.Columns["CustomerID"], dt2.Columns["CustomerID"]);
dataset.Relations.Add ("Customer_Addresses", dt1.Columns["CustomerID"], dt3.Columns["CustomerID"]);
dataset.Relations.Add ("Address_Orders", dt3.Columns["AddressID"], dt2.Columns["AddressID"]);
return dataset;
}
[Test]
public void RelatedCurrencyManagerTest ()
{
DataSet data_source = CreateRelatedDataSetLarge ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source, "Customers"] as CurrencyManager;
CurrencyManager rcm = bc [data_source, "Customers.Customer_Orders"] as CurrencyManager;
IList list = rcm.List;
Assert.AreEqual (3, rcm.Count, "count1");
Assert.AreEqual (3, list.Count, "listcount1");
cm.Position = 1;
Assert.AreEqual (3, rcm.Count, "count2");
Assert.AreEqual (3, list.Count, "listcount2");
cm.Position = 5;
Assert.AreEqual (5, rcm.Count, "count3");
Assert.AreEqual (3, list.Count, "listcount3");
}
[Test]
public void TestCurrencyManagerBindings ()
{
DataSet data_source = CreateRelatedDataSetLarge ();
BindingContext bc = new BindingContext ();
CurrencyManager cm = bc [data_source] as CurrencyManager;
Console.WriteLine ("cm properties:");
foreach (PropertyDescriptor pd in cm.GetItemProperties ())
Console.WriteLine (" + {0}", pd.Name);
Console.WriteLine ();
Console.WriteLine ("dataset:");
Console.WriteLine ("cm = {0}", cm.GetType());
Console.WriteLine ("cm.Count = {0}", cm.Count);
cm.Position = 0;
Console.WriteLine ("cm.Current = {0}", cm.Current);
Console.WriteLine ("cm.Current properties");
foreach (PropertyDescriptor pd in ((ICustomTypeDescriptor)cm.Current).GetProperties ())
Console.WriteLine (" + {0}", pd.Name);
Console.WriteLine ();
cm = bc [data_source.Tables["Customers"]] as CurrencyManager;
Console.WriteLine ("datatable:");
Console.WriteLine ("cm = {0}", cm.GetType());
Console.WriteLine ("cm.Count = {0}", cm.Count);
cm.Position = 0;
Console.WriteLine ("cm.Current = {0}", cm.Current);
Console.WriteLine ("cm.Current properties");
foreach (PropertyDescriptor pd in ((ICustomTypeDescriptor)cm.Current).GetProperties ())
Console.WriteLine (" + {0}", pd.Name);
Console.WriteLine ();
DataViewManager vm = new DataViewManager (data_source);
Console.WriteLine ("vm properties:");
foreach (PropertyDescriptor pd in ((ITypedList)vm).GetItemProperties (null))
Console.WriteLine (" + {0}", pd.Name);
Console.WriteLine ();
}
Type GetFinalType (CurrencyManager cm)
{
FieldInfo fi = cm.GetType().GetField ("finalType", BindingFlags.NonPublic | BindingFlags.Instance);
return (Type)fi.GetValue (cm);
}
[Test]
public void FinalTypeTest ()
{
BindingContext bc = new BindingContext ();
CurrencyManager cm;
ArrayList al;
DataSet data_source = CreateRelatedDataSetLarge ();
/* empty arraylist */
al = new ArrayList ();
cm = bc[al] as CurrencyManager;
Assert.AreEqual (typeof (ArrayList), GetFinalType (cm), "A1");
/* arraylist with a string element*/
al = new ArrayList ();
al.Add ("hi");
cm = bc[al] as CurrencyManager;
Assert.AreEqual (typeof (ArrayList), GetFinalType (cm), "A2");
/* string array */
string[] s = new string[1];
s[0] = "hi";
cm = bc[s] as CurrencyManager;
Assert.AreEqual (typeof (string[]), GetFinalType (cm), "A3");
/* dataview */
cm = bc [data_source, "Customers"] as CurrencyManager;
Assert.AreEqual (typeof (DataView), GetFinalType (cm), "A4");
/* relatedview */
cm = bc [data_source, "Customers.Customer_Orders"] as CurrencyManager;
/* on MS this is a RelatedView, on Mono a RelatedDataView. both subclass from DataView, so let's check that. */
Assert.IsFalse (typeof (DataView) == GetFinalType (cm), "A5");
Assert.IsTrue (typeof (DataView).IsAssignableFrom (GetFinalType (cm)), "A6");
}
[Test]
public void ListChangedEventTest ()
{
Control c = new Control ();
c.BindingContext = new BindingContext ();
c.CreateControl ();
BindingListChild<MockItem> binding_list = new BindingListChild<MockItem> ();
CurrencyManager currency_manager = (CurrencyManager)c.BindingContext [binding_list];
currency_manager.ListChanged += new ListChangedEventHandler(ListChangedEvent);
ClearListChangedLog ();
MockItem item = binding_list.AddNew ();
binding_list.EndNew (binding_list.IndexOf (item));
Assert.IsTrue (list_changed_called, "#A1");
Assert.AreEqual (ListChangedType.ItemAdded, list_changed_args.ListChangedType, "#A2");
ClearListChangedLog ();
binding_list.Insert (0, new MockItem ());
Assert.IsTrue (list_changed_called, "#B1");
Assert.AreEqual (ListChangedType.ItemAdded, list_changed_args.ListChangedType, "#B2");
ClearListChangedLog ();
binding_list.RemoveAt (0);
Assert.IsTrue (list_changed_called, "#D1");
Assert.AreEqual (ListChangedType.ItemDeleted, list_changed_args.ListChangedType, "#D2");
ClearListChangedLog ();
binding_list [0] = new MockItem ();
Assert.IsTrue (list_changed_called, "#E1");
Assert.AreEqual (ListChangedType.ItemChanged, list_changed_args.ListChangedType, "#E2");
ClearListChangedLog ();
binding_list.DoResetItem (0);
Assert.IsTrue (list_changed_called, "#F1");
Assert.AreEqual (ListChangedType.ItemChanged, list_changed_args.ListChangedType, "#F2");
ClearListChangedLog ();
binding_list.DoResetBinding ();
Assert.IsTrue (list_changed_called, "#G1");
Assert.AreEqual (ListChangedType.Reset, list_changed_args.ListChangedType, "#G2");
binding_list.Clear ();
Assert.IsTrue (list_changed_called, "#F1");
Assert.AreEqual (ListChangedType.Reset, list_changed_args.ListChangedType, "#F2");
currency_manager.ListChanged -= ListChangedEvent;
}
void ClearListChangedLog ()
{
list_changed_called = false;
list_changed_args = null;
}
public class BindingListChild<T> : BindingList<T>
{
public void DoResetItem (int position)
{
ResetItem (position);
}
public void DoResetBinding ()
{
ResetBindings ();
}
}
}
}