mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/ListBoxTest.cs

   1 //
   2 // ComboBoxTest.cs: Test cases for ComboBox.
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
  24 //
  25 // Authors:
  26 //      Ritvik Mayank <mritvik@novell.com>
  27 //      Jordi Mas i Hernandez <jordi@ximian.com>
  28 //
  29
  30
  31 using System;
  32 using System.Windows.Forms;
  33 using System.Drawing;
  34 using System.Reflection;
  35 using NUnit.Framework;
  36 using System.Collections;
  37 using System.ComponentModel;
  38
  39 namespace MonoTests.System.Windows.Forms
  40 {
  41         [TestFixture]
  42         public class ListBoxTest
  43         {
  44                 ListBox listBox;
  45                 Form form;
  46
  47                 [SetUp]
  48                 public void SetUp()
  49                 {
  50                         listBox = new ListBox();
  51                         form = new Form();
  52                         form.ShowInTaskbar = false;
  53                 }
  54
  55                 [TearDown]
  56                 public void TearDown()
  57                 {
  58                         form.Dispose ();
  59                 }
  60
  61                 [Test]
  62                 public void ListBoxPropertyTest ()
  63                 {
  64                         Assert.AreEqual (0, listBox.ColumnWidth, "#1");
  65                         Assert.AreEqual (DrawMode.Normal, listBox.DrawMode, "#2");
  66                         Assert.AreEqual (0, listBox.HorizontalExtent, "#3");
  67                         Assert.AreEqual (false, listBox.HorizontalScrollbar, "#4");
  68                         Assert.AreEqual (true, listBox.IntegralHeight, "#5");
  69                         //Assert.AreEqual (13, listBox.ItemHeight, "#6"); // Note: Item height depends on the current font.
  70                         listBox.Items.Add ("a");
  71                         listBox.Items.Add ("b");
  72                         listBox.Items.Add ("c");
  73                         Assert.AreEqual (3,  listBox.Items.Count, "#7");
  74                         Assert.AreEqual (false, listBox.MultiColumn, "#8");
  75                         //Assert.AreEqual (46, listBox.PreferredHeight, "#9"); // Note: Item height depends on the current font.
  76                         //Assert.AreEqual (RightToLeft.No , listBox.RightToLeft, "#10"); // Depends on Windows version
  77                         Assert.AreEqual (false, listBox.ScrollAlwaysVisible, "#11");
  78                         Assert.AreEqual (-1, listBox.SelectedIndex, "#12");
  79                         listBox.SetSelected (2,true);
  80                         Assert.AreEqual (2, listBox.SelectedIndices[0], "#13");
  81                         Assert.AreEqual ("c", listBox.SelectedItem, "#14");
  82                         Assert.AreEqual ("c", listBox.SelectedItems[0], "#15");
  83                         Assert.AreEqual (SelectionMode.One, listBox.SelectionMode, "#16");
  84                         listBox.SetSelected (2,false);
  85                         Assert.AreEqual (false, listBox.Sorted, "#17");
  86                         Assert.AreEqual ("", listBox.Text, "#18");
  87                         Assert.AreEqual (0, listBox.TopIndex, "#19");
  88                         Assert.AreEqual (true, listBox.UseTabStops, "#20");
  89                 }
  90
  91                 [Test]
  92                 public void BeginEndUpdateTest ()
  93                 {
  94                         form.Visible = true;
  95                         listBox.Items.Add ("A");
  96                         listBox.Visible = true;
  97                         form.Controls.Add (listBox);
  98                         listBox.BeginUpdate ();
  99                         for (int x = 1; x < 5000; x++)
 100                         {
 101                                 listBox.Items.Add ("Item " + x.ToString ());
 102                         }
 103                         listBox.EndUpdate ();
 104                         listBox.SetSelected (1, true);
 105                         listBox.SetSelected (3, true);
 106                         Assert.AreEqual (true, listBox.SelectedItems.Contains ("Item 3"), "#21");
 107                 }
 108
 109                 [Test]
 110                 public void ClearSelectedTest ()
 111                 {
 112                         form.Visible = true;
 113                         listBox.Items.Add ("A");
 114                         listBox.Visible = true;
 115                         form.Controls.Add (listBox);
 116                         listBox.SetSelected (0, true);
 117                         Assert.AreEqual ("A", listBox.SelectedItems [0].ToString (),"#22");
 118                         listBox.ClearSelected ();
 119                         Assert.AreEqual (0, listBox.SelectedItems.Count,"#23");
 120                 }
 121
 122                 [Ignore ("It depends on user system settings")]
 123                 public void GetItemHeightTest ()
 124                 {
 125                         listBox.Visible = true;
 126                         form.Controls.Add (listBox);
 127                         listBox.Items.Add ("A");
 128                         Assert.AreEqual (13, listBox.GetItemHeight (0) , "#28");
 129                 }
 130
 131                 [Ignore ("It depends on user system settings")]
 132                 public void GetItemRectangleTest ()
 133                 {
 134                         form.Visible = true;
 135                         listBox.Visible = true;
 136                         form.Controls.Add (listBox);
 137                         listBox.Items.Add ("A");
 138                         Assert.AreEqual (new Rectangle(0,0,116,13), listBox.GetItemRectangle (0), "#29");
 139                 }
 140
 141                 [Test]
 142                 public void GetSelectedTest ()
 143                 {
 144                         listBox.Items.Add ("A");
 145                         listBox.Items.Add ("B");
 146                         listBox.Items.Add ("C");
 147                         listBox.Items.Add ("D");
 148                         listBox.Sorted = true;
 149                         listBox.SetSelected (0,true);
 150                         listBox.SetSelected (2,true);
 151                         listBox.TopIndex=0;
 152                         Assert.AreEqual (true, listBox.GetSelected (0), "#30");
 153                         listBox.SetSelected (2,false);
 154                         Assert.AreEqual (false, listBox.GetSelected (2), "#31");
 155                 }
 156
 157                 [Test]
 158                 public void IndexFromPointTest ()
 159                 {
 160                         listBox.Items.Add ("A");
 161                         Point pt = new Point (100,100);
 162                                 listBox.IndexFromPoint (pt);
 163                         Assert.AreEqual (-1, listBox.IndexFromPoint (100,100), "#32");
 164                 }
 165
 166                 [Test]
 167                 public void FindStringTest ()
 168                 {
 169                         listBox.FindString ("Hola", -5); // No exception, it's empty
 170                         int x = listBox.FindString ("Hello");
 171                         Assert.AreEqual (-1, x, "#19");
 172                         listBox.Items.AddRange(new object[] {"ACBD", "ABDC", "ACBD", "ABCD"});
 173                         String myString = "ABC";
 174                         x = listBox.FindString (myString);
 175                         Assert.AreEqual (3, x, "#191");
 176                         x = listBox.FindString (string.Empty);
 177                         Assert.AreEqual (0, x, "#192");
 178                         x = listBox.FindString ("NonExistant");
 179                         Assert.AreEqual (-1, x, "#193");
 180                 }
 181
 182                 [Test]
 183                 public void FindStringExactTest ()
 184                 {
 185                         listBox.FindStringExact ("Hola", -5); // No exception, it's empty
 186                         int x = listBox.FindStringExact ("Hello");
 187                         Assert.AreEqual (-1, x, "#20");
 188                         listBox.Items.AddRange (new object[] {"ABCD","ABC","ABDC"});
 189                         String myString = "ABC";
 190                         x = listBox.FindStringExact (myString);
 191                         Assert.AreEqual (1, x, "#201");
 192                         x = listBox.FindStringExact (string.Empty);
 193                         Assert.AreEqual (-1, x, "#202");
 194                         x = listBox.FindStringExact ("NonExistant");
 195                         Assert.AreEqual (-1, x, "#203");
 196                 }
 197
 198                 //
 199                 // Exceptions
 200                 //
 201
 202                 [Test]
 203                 [ExpectedException (typeof (InvalidEnumArgumentException))]
 204                 public void BorderStyleException ()
 205                 {
 206                         listBox.BorderStyle = (BorderStyle) 10;
 207                 }
 208
 209                 [Test]
 210                 [ExpectedException (typeof (ArgumentException))]
 211                 public void ColumnWidthException ()
 212                 {
 213                         listBox.ColumnWidth = -1;
 214                 }
 215
 216                 [Test]
 217                 [ExpectedException (typeof (InvalidEnumArgumentException))]
 218                 public void DrawModeException ()
 219                 {
 220                         listBox.DrawMode = (DrawMode) 10;
 221                 }
 222
 223                 [Test]
 224                 [ExpectedException (typeof (ArgumentException))]
 225                 public void DrawModeAndMultiColumnException ()
 226                 {
 227                         listBox.MultiColumn = true;
 228                         listBox.DrawMode = DrawMode.OwnerDrawVariable;
 229                 }
 230
 231                 [Test]
 232                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 233                 public void ItemHeightException ()
 234                 {
 235                         listBox.ItemHeight = 256;
 236                 }
 237
 238                 [Test]
 239                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 240                 public void SelectedIndexException ()
 241                 {
 242                         listBox.SelectedIndex = -2;
 243                 }
 244
 245                 [Test]
 246                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 247                 public void SelectedIndexException2 ()
 248                 {
 249                         listBox.SelectedIndex = listBox.Items.Count;
 250                 }
 251
 252                 [Test]
 253                 [ExpectedException (typeof (ArgumentException))]
 254                 public void SelectedIndexModeNoneException ()
 255                 {
 256                         listBox.SelectionMode = SelectionMode.None;
 257                         listBox.SelectedIndex = -1;
 258                 }
 259
 260                 [Test]
 261                 [ExpectedException (typeof (InvalidEnumArgumentException))]
 262                 public void SelectionModeException ()
 263                 {
 264                         listBox.SelectionMode = (SelectionMode) 10;
 265                 }
 266
 267                 [Test]
 268                 public void SelectedValueNull()
 269                 {
 270                         listBox.Items.Clear ();
 271
 272                         listBox.Items.Add ("A");
 273                         listBox.Items.Add ("B");
 274                         listBox.Items.Add ("C");
 275                         listBox.Items.Add ("D");
 276
 277                         listBox.SelectedIndex = 2;
 278                         listBox.SelectedValue = null;
 279                         Assert.AreEqual (listBox.SelectedIndex, 2);
 280                 }
 281
 282                 [Test]
 283                 public void SelectedValueEmptyString()
 284                 {
 285                         listBox.Items.Clear ();
 286
 287                         listBox.Items.Add ("A");
 288                         listBox.Items.Add ("B");
 289                         listBox.Items.Add ("C");
 290                         listBox.Items.Add ("D");
 291
 292                         listBox.SelectedIndex = 2;
 293                         listBox.SelectedValue = null;
 294                         Assert.AreEqual (listBox.SelectedIndex, 2);
 295                 }
 296
 297                 //
 298                 // Events
 299                 //
 300                 private bool eventFired;
 301
 302                 private void GenericHandler (object sender,  EventArgs e)
 303                 {
 304                         eventFired = true;
 305                 }
 306
 307
 308         }
 309
 310         [TestFixture]
 311         public class ListBoxObjectCollectionTest
 312         {
 313                 ListBox.ObjectCollection col;
 314
 315                 [SetUp]
 316                 public void SetUp()
 317                 {
 318                         col = new ListBox.ObjectCollection (new ListBox ());
 319                 }
 320
 321                 [Test]
 322                 public void DefaultProperties ()
 323                 {
 324                         Assert.AreEqual (false, col.IsReadOnly, "#B1");
 325                         Assert.AreEqual (false, ((ICollection)col).IsSynchronized, "#B2");
 326                         Assert.AreEqual (col, ((ICollection)col).SyncRoot, "#B3");
 327                         Assert.AreEqual (false, ((IList)col).IsFixedSize, "#B4");
 328                         Assert.AreEqual (0, col.Count);
 329                 }
 330
 331                 [Test]
 332                 public void AddTest ()
 333                 {
 334                         col.Add ("Item1");
 335                         col.Add ("Item2");
 336                         Assert.AreEqual (2, col.Count, "#C1");
 337                 }
 338
 339                 [Test]
 340                 public void ClearTest ()
 341                 {
 342                         col.Add ("Item1");
 343                         col.Add ("Item2");
 344                         col.Clear ();
 345                         Assert.AreEqual (0, col.Count, "#D1");
 346                 }
 347
 348                 [Test]
 349                 public void ContainsTest ()
 350                 {
 351                         object obj = "Item1";
 352                         col.Add (obj);
 353                         Assert.AreEqual (true, col.Contains ("Item1"), "#E1");
 354                         Assert.AreEqual (false, col.Contains ("Item2"), "#E2");
 355                 }
 356
 357                 [Test]
 358                 public void IndexOfTest ()
 359                 {
 360                         col.Add ("Item1");
 361                         col.Add ("Item2");
 362                         Assert.AreEqual (1, col.IndexOf ("Item2"), "#F1");
 363                 }
 364
 365                 [Test]
 366                 public void RemoveTest ()
 367                 {
 368                         col.Add ("Item1");
 369                         col.Add ("Item2");
 370                         col.Remove ("Item1");
 371                         Assert.AreEqual (1, col.Count, "#G1");
 372                 }
 373
 374                 [Test]
 375                 public void RemoveAtTest ()
 376                 {
 377                         col.Add ("Item1");
 378                         col.Add ("Item2");
 379                         col.RemoveAt (0);
 380                         Assert.AreEqual (1, col.Count, "#H1");
 381                         Assert.AreEqual (true, col.Contains ("Item2"), "#H1");
 382                 }
 383
 384                 [Test]
 385                 [ExpectedException (typeof (ArgumentNullException))]
 386                 public void IndexerNullTest ()
 387                 {
 388                         col.Add ("Item1");
 389                         col [0] = null;
 390                 }
 391
 392                 [Test]
 393                 [ExpectedException (typeof (ArgumentNullException))]
 394                 public void AddNullTest ()
 395                 {
 396                         col.Add (null);
 397                 }
 398
 399
 400         }
 401 }