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

   1 //\r
   2 // ComboBoxTests.cs: Test cases for ComboBox.\r
   3 //\r
   4 // Permission is hereby granted, free of charge, to any person obtaining\r
   5 // a copy of this software and associated documentation files (the\r
   6 // "Software"), to deal in the Software without restriction, including\r
   7 // without limitation the rights to use, copy, modify, merge, publish,\r
   8 // distribute, sublicense, and/or sell copies of the Software, and to\r
   9 // permit persons to whom the Software is furnished to do so, subject to\r
  10 // the following conditions:\r
  11 //\r
  12 // The above copyright notice and this permission notice shall be\r
  13 // included in all copies or substantial portions of the Software.\r
  14 //\r
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  22 //\r
  23 // Copyright (c) 2006 Matt Hargett\r
  24 //                      \r
  25 // Authors:             \r
  26 //      Matt Hargett  <matt@use.net>\r
  27 //\r
  28 \r
  29 using System;\r
  30 using System.Windows.Forms;\r
  31 \r
  32 using NUnit.Framework;\r
  33 \r
  34 namespace MonoTests.System.Windows.Forms\r
  35 {\r
  36         [TestFixture]\r
  37         public class ComboBoxTests\r
  38         {\r
  39                 ComboBox comboBox;\r
  40                 bool textChanged, layoutUpdated;\r
  41 \r
  42                 [SetUp]\r
  43                 public void SetUp ()\r
  44                 {\r
  45                         comboBox = new ComboBox ();\r
  46                         textChanged = false;\r
  47                         layoutUpdated = false;\r
  48                         comboBox.TextChanged += new EventHandler (textChangedEventHandler);\r
  49                         comboBox.Layout += new LayoutEventHandler (layoutEventHandler);\r
  50                 }\r
  51 \r
  52                 private void textChangedEventHandler (object sender, EventArgs e)\r
  53                 {\r
  54                         textChanged = true;\r
  55                 }\r
  56 \r
  57                 private void layoutEventHandler (object sender, LayoutEventArgs e)\r
  58                 {\r
  59                         layoutUpdated = true;\r
  60                 }\r
  61 \r
  62                 [Test]\r
  63                 public void InitialPropertyValues ()\r
  64                 {\r
  65 \r
  66                         Assert.AreEqual (String.Empty, comboBox.Text);\r
  67                         Assert.AreEqual (-1, comboBox.SelectedIndex);\r
  68                         Assert.IsNull (comboBox.SelectedItem);\r
  69                         Assert.AreEqual (121, comboBox.Size.Width);\r
  70                         //Note: it is environment dependent\r
  71                         //Assert.AreEqual(20, comboBox.Size.Height);\r
  72                         Assert.IsFalse (textChanged);\r
  73                         Assert.IsFalse (layoutUpdated);\r
  74                 }\r
  75 \r
  76                 [Test]\r
  77                 public void SetNegativeOneSelectedIndex ()\r
  78                 {\r
  79                         comboBox.SelectedIndex = -1;\r
  80                         Assert.AreEqual (String.Empty, comboBox.Text);\r
  81                         Assert.IsFalse (textChanged);\r
  82                 }\r
  83 \r
  84                 [Test]\r
  85                 public void SetDifferentText ()\r
  86                 {\r
  87                         comboBox.Text = "foooooooooooooooooooooooooo";\r
  88                         Assert.IsTrue (textChanged);\r
  89                         Assert.IsFalse (layoutUpdated);\r
  90                 }\r
  91 \r
  92                 [Test]\r
  93                 public void SetSameText ()\r
  94                 {\r
  95                         comboBox.Text = String.Empty;\r
  96                         Assert.IsFalse (textChanged);\r
  97                         Assert.IsFalse (layoutUpdated);\r
  98                 }\r
  99 \r
 100                 [Test] // bug #79812\r
 101                 public void Add_Item_NonString ()\r
 102                 {\r
 103                         comboBox.Sorted = true;\r
 104                         comboBox.Items.Add (new Person ("B"));\r
 105                         comboBox.Items.Add (new Person ("A"));\r
 106                         comboBox.Items.Add (new Person ("C"));\r
 107                         Assert.AreEqual (string.Empty, comboBox.Text, "#1");\r
 108                         comboBox.SelectedIndex = 0;\r
 109                         Assert.AreEqual ("A", comboBox.Text, "#2");\r
 110                         comboBox.SelectedIndex = 2;\r
 111                         Assert.AreEqual ("C", comboBox.Text, "#3");\r
 112                 }\r
 113 \r
 114                 [Test]\r
 115                 [Category ("NotWorking")]\r
 116                 public void SelectedText ()\r
 117                 {\r
 118                         Form form = new Form ();\r
 119                         form.ShowInTaskbar = false;\r
 120                         form.Visible = false;\r
 121                         form.Controls.Add (comboBox);\r
 122 \r
 123                         comboBox.Items.Add ("Bar");\r
 124                         comboBox.Items.Add ("Foo");\r
 125                         Assert.AreEqual (-1, comboBox.SelectedIndex, "#A1");\r
 126                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#A2");\r
 127                         comboBox.SelectedIndex = 0;\r
 128                         Assert.AreEqual (0, comboBox.SelectedIndex, "#B1");\r
 129                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#B2");\r
 130                         form.Show ();\r
 131                         Assert.AreEqual (0, comboBox.SelectedIndex, "#C1");\r
 132                         Assert.AreEqual ("Bar", comboBox.SelectedText, "#C2");\r
 133                         comboBox.SelectedIndex = 1;\r
 134                         Assert.AreEqual (1, comboBox.SelectedIndex, "#D1");\r
 135                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#D2");\r
 136                         comboBox.SelectedText = "Ba";\r
 137                         Assert.AreEqual (-1, comboBox.SelectedIndex, "#E1");\r
 138                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#E2");\r
 139                         comboBox.SelectedText = "Bar";\r
 140                         Assert.AreEqual (-1, comboBox.SelectedIndex, "#F1");\r
 141                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#F2");\r
 142                         comboBox.SelectedText = "doesnotexist";\r
 143                         Assert.AreEqual (-1, comboBox.SelectedIndex, "#G1");\r
 144                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#G2");\r
 145                         comboBox.SelectedIndex = 0;\r
 146                         Assert.AreEqual (0, comboBox.SelectedIndex, "#H1");\r
 147                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#H2");\r
 148                         comboBox.SelectedText = "Foo";\r
 149                         Assert.AreEqual (-1, comboBox.SelectedIndex, "#I1");\r
 150                         Assert.AreEqual (string.Empty, comboBox.SelectedText, "#I2");\r
 151                 }\r
 152 \r
 153                 public class Person\r
 154                 {\r
 155                         private readonly string _name;\r
 156 \r
 157                         public Person (string name)\r
 158                         {\r
 159                                 _name = name;\r
 160                         }\r
 161 \r
 162                         public string Name\r
 163                         {\r
 164                                 get\r
 165                                 {\r
 166                                         return _name;\r
 167                                 }\r
 168                         }\r
 169 \r
 170                         public override string ToString ()\r
 171                         {\r
 172                                 return Name;\r
 173                         }\r
 174                 }\r
 175         }\r
 176 }\r