mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/ComboBoxTest.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 using System;
  31 using System.Windows.Forms;
  32 using System.Drawing;
  33 using System.Reflection;
  34 using NUnit.Framework;
  35 using System.Collections;
  36 using System.ComponentModel;
  37
  38 namespace MonoTests.System.Windows.Forms
  39 {
  40         [TestFixture]
  41         public class ComboBoxTest
  42         {
  43                 [Test]
  44                 public void ComboBoxPropertyTest ()
  45                 {
  46                         ComboBox mycmbbox = new ComboBox ();
  47                         Assert.AreEqual (DrawMode.Normal, mycmbbox.DrawMode, "#1");
  48                         Assert.AreEqual (ComboBoxStyle.DropDown, mycmbbox.DropDownStyle, "#2");
  49                         Assert.AreEqual (121, mycmbbox.DropDownWidth, "#3");
  50                         Assert.AreEqual (false, mycmbbox.DroppedDown, "#4");
  51                         Assert.AreEqual (true, mycmbbox.IntegralHeight, "#5");
  52                         Assert.AreEqual (0, mycmbbox.Items.Count, "#6");
  53                         //Assert.AreEqual (15, mycmbbox.ItemHeight, "#7");      // Note: Item height depends on the current font.
  54                         Assert.AreEqual (8, mycmbbox.MaxDropDownItems, "#8");
  55                         Assert.AreEqual (0, mycmbbox.MaxLength, "#9");
  56                         //Assert.AreEqual (20, mycmbbox.PreferredHeight, "#10");
  57 // Note: Item height depends on the current font.
  58                         Assert.AreEqual (-1, mycmbbox.SelectedIndex, "#11");
  59                         Assert.AreEqual (null, mycmbbox.SelectedItem, "#12");
  60                         Assert.AreEqual ("", mycmbbox.SelectedText, "#13");
  61                         Assert.AreEqual (0, mycmbbox.SelectionLength, "#14");
  62                         Assert.AreEqual (0, mycmbbox.SelectionStart, "#15");
  63                         Assert.AreEqual (false, mycmbbox.Sorted, "#16");
  64                         Assert.AreEqual ("", mycmbbox.Text, "#17");
  65                 }
  66
  67                 [Test]
  68                 public void BeginEndUpdateTest ()
  69                 {
  70                         Form myform = new Form ();
  71                         myform.Visible = true;
  72                         ComboBox cmbbox = new ComboBox ();
  73                         cmbbox.Items.Add ("A");
  74                         cmbbox.Visible = true;
  75                         myform.Controls.Add (cmbbox);
  76                         cmbbox.BeginUpdate ();
  77                         for (int x = 1 ; x < 5000 ; x++) {
  78                                 cmbbox.Items.Add ("Item " + x.ToString ());
  79                         }
  80                         cmbbox.EndUpdate ();
  81                 }
  82
  83                 [Test]
  84                 public void FindStringTest ()
  85                 {
  86                         ComboBox cmbbox = new ComboBox ();
  87                         cmbbox.FindString ("Hola", -5); // No exception, it's empty
  88                         int x = cmbbox.FindString ("Hello");
  89                         Assert.AreEqual (-1, x, "#19");
  90                         cmbbox.Items.AddRange(new object[] {"ACBD", "ABDC", "ACBD", "ABCD"});
  91                         String myString = "ABC";
  92                         x = cmbbox.FindString (myString);
  93                         Assert.AreEqual (3, x, "#191");
  94                         x = cmbbox.FindString (string.Empty);
  95                         Assert.AreEqual (0, x, "#192");
  96                         x = cmbbox.FindString ("NonExistant");
  97                         Assert.AreEqual (-1, x, "#193");
  98                 }
  99
 100                 [Test]
 101                 public void FindStringExactTest ()
 102                 {
 103                         ComboBox cmbbox = new ComboBox ();
 104                         cmbbox.FindStringExact ("Hola", -5); // No exception, it's empty
 105                         int x = cmbbox.FindStringExact ("Hello");
 106                         Assert.AreEqual (-1, x, "#20");
 107                         cmbbox.Items.AddRange (new object[] {"ABCD","ABC","ABDC"});
 108                         String myString = "ABC";
 109                         x = cmbbox.FindStringExact (myString);
 110                         Assert.AreEqual (1, x, "#201");
 111                         x = cmbbox.FindStringExact (string.Empty);
 112                         Assert.AreEqual (-1, x, "#202");
 113                         x = cmbbox.FindStringExact ("NonExistant");
 114                         Assert.AreEqual (-1, x, "#203");
 115                 }
 116
 117                 [Test]
 118                 public void GetItemHeightTest ()
 119                 {
 120                         ComboBox cmbbox = new ComboBox ();
 121                         cmbbox.Items.Add ("ABC");
 122                         cmbbox.Items.Add ("BCD");
 123                         cmbbox.Items.Add ("DEF");
 124                         int x = -1;
 125                         x = cmbbox.GetItemHeight (x);
 126                         Assert.IsTrue (cmbbox.ItemHeight > 0, "#21");
 127                 }
 128
 129
 130                 //
 131                 // Exceptions
 132                 //
 133
 134                 [Test]
 135                 [ExpectedException (typeof (InvalidEnumArgumentException))]
 136                 public void DropDownStyleException ()
 137                 {
 138                         ComboBox cmbbox = new ComboBox ();
 139                         cmbbox.DropDownStyle = (ComboBoxStyle) 10;
 140                 }
 141
 142                 [Test]
 143                 [ExpectedException (typeof (InvalidEnumArgumentException))]
 144                 public void DrawModeException ()
 145                 {
 146                         ComboBox cmbbox = new ComboBox ();
 147                         cmbbox.DrawMode = (DrawMode) 10;
 148                 }
 149
 150                 [Test]
 151                 [ExpectedException (typeof (ArgumentException))]
 152                 public void DropDownWidthException ()
 153                 {
 154                         ComboBox cmbbox = new ComboBox ();
 155                         cmbbox.DropDownWidth = 0;
 156                 }
 157
 158                 [Test]
 159                 [ExpectedException (typeof (ArgumentException))]
 160                 public void ItemHeightException ()
 161                 {
 162                         ComboBox cmbbox = new ComboBox ();
 163                         cmbbox.ItemHeight = -1;
 164                 }
 165
 166                 [Test]
 167                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 168                 public void SelectedIndexException ()
 169                 {
 170                         ComboBox cmbbox = new ComboBox ();
 171                         cmbbox.SelectedIndex = -2;
 172                 }
 173
 174                 [Test]
 175                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 176                 public void FindStringExactMinException ()
 177                 {
 178                         ComboBox cmbbox = new ComboBox ();
 179                         cmbbox.Items.AddRange(new object[] {"ACBD", "ABDC", "ACBD", "ABCD"});
 180                         cmbbox.FindStringExact ("Hola", -2);
 181                 }
 182
 183                 [Test]
 184                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 185                 public void FindStringExactMaxException ()
 186                 {
 187                         ComboBox cmbbox = new ComboBox ();
 188                         cmbbox.Items.AddRange(new object[] {"ACBD", "ABDC", "ACBD", "ABCD"});
 189                         cmbbox.FindStringExact ("Hola", 3);
 190                 }
 191
 192                 //
 193                 // Events
 194                 //
 195                 private bool eventFired;
 196                 private DrawItemEventArgs drawItemsArgs;
 197                 private void DrawItemEventH (object sender,  DrawItemEventArgs e)
 198                 {
 199                         eventFired = true;
 200                         drawItemsArgs = e;
 201                 }
 202
 203                 private void GenericHandler (object sender,  EventArgs e)
 204                 {
 205                         eventFired = true;
 206                 }
 207
 208                 [Ignore ("Bugs in X11 prevent this test to run properly")]
 209                 public void DrawItemEventTest ()
 210                 {
 211                         eventFired = false;
 212                         drawItemsArgs = null;
 213                         Form myform = new Form ();
 214                         ComboBox cmbbox = new ComboBox ();
 215                         cmbbox.DropDownStyle = ComboBoxStyle.Simple;
 216                         cmbbox.DrawMode = DrawMode.OwnerDrawFixed;
 217                         cmbbox.DrawItem += new DrawItemEventHandler (DrawItemEventH);
 218
 219                         myform.Controls.Add (cmbbox);
 220                         cmbbox.Items.AddRange(new object[] {"Item1"});
 221
 222                         myform.Visible = true;
 223                         cmbbox.Visible = true;
 224                         cmbbox.Refresh ();
 225
 226                         Assert.AreEqual (true, eventFired, "DW1");
 227                         Assert.AreEqual (0, drawItemsArgs.Index, "DW2");
 228                 }
 229
 230                 [Test]
 231                 public void DropDownStyleEventTest ()
 232                 {
 233                         eventFired = false;
 234                         ComboBox cmbbox = new ComboBox ();
 235                         cmbbox.DropDownStyleChanged += new EventHandler (GenericHandler);
 236                         cmbbox.DropDownStyle = ComboBoxStyle.Simple;
 237
 238                         Assert.AreEqual (true, eventFired, "DI1");
 239                 }
 240
 241                 [Test]
 242                 public void SelectedIndextTest ()
 243                 {
 244                         eventFired = false;
 245                         ComboBox cmbbox = new ComboBox ();
 246                         cmbbox.Items.AddRange(new object[] {"Item1", "Item2"});
 247                         cmbbox.SelectedIndexChanged += new EventHandler (GenericHandler);
 248                         cmbbox.SelectedIndex = 1;
 249                         Assert.AreEqual (true, eventFired, "SI1");
 250                 }
 251
 252         }
 253
 254         [TestFixture]
 255         public class ComboBoxObjectCollectionTest
 256         {
 257                 [Test]
 258                 public void ComboBoxObjectCollectionPropertyTest ()
 259                 {
 260                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 261                         Assert.AreEqual (false, col.IsReadOnly, "#B1");
 262                         Assert.AreEqual (false, ((ICollection)col).IsSynchronized, "#B2");
 263                         Assert.AreEqual (col, ((ICollection)col).SyncRoot, "#B3");
 264                         Assert.AreEqual (false, ((IList)col).IsFixedSize, "#B4");
 265                 }
 266
 267                 [Test]
 268                 public void AddTest ()
 269                 {
 270                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 271                         col.Add ("Item1");
 272                         col.Add ("Item2");
 273                         Assert.AreEqual (2, col.Count, "#C1");
 274                 }
 275
 276                 [Test]
 277                 public void ClearTest ()
 278                 {
 279                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 280                         col.Add ("Item1");
 281                         col.Add ("Item2");
 282                         col.Clear ();
 283                         Assert.AreEqual (0, col.Count, "#D1");
 284                 }
 285
 286                 [Test]
 287                 public void ContainsTest ()
 288                 {
 289                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 290                         object obj = "Item1";
 291                         col.Add (obj);
 292                         Assert.AreEqual (true, col.Contains ("Item1"), "#E1");
 293                         Assert.AreEqual (false, col.Contains ("Item2"), "#E2");
 294                 }
 295
 296                 [Test]
 297                 public void IndexOfTest ()
 298                 {
 299                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 300                         col.Add ("Item1");
 301                         col.Add ("Item2");
 302                         Assert.AreEqual (1, col.IndexOf ("Item2"), "#F1");
 303                 }
 304
 305                 [Test]
 306                 public void RemoveTest ()
 307                 {
 308                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 309                         col.Add ("Item1");
 310                         col.Add ("Item2");
 311                         col.Remove ("Item1");
 312                         Assert.AreEqual (1, col.Count, "#G1");
 313                 }
 314
 315                 [Test]
 316                 public void RemoveAtTest ()
 317                 {
 318                         ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
 319                         col.Add ("Item1");
 320                         col.Add ("Item2");
 321                         col.RemoveAt (0);
 322                         Assert.AreEqual (1, col.Count, "#H1");
 323                         Assert.AreEqual (true, col.Contains ("Item2"), "#H1");
 324                 }
 325         }
 326
 327 }