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

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   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2008 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Carlos Alberto Cortez <calberto.cortez@gmail.com>
  24 //
  25
  26
  27 using System;
  28 using System.ComponentModel;
  29 using System.Windows.Forms;
  30
  31 using NUnit.Framework;
  32
  33 namespace MonoTests.System.Windows.Forms.DataBinding {
  34
  35         [TestFixture]
  36         public class BindingsCollectionTest : TestHelper
  37         {
  38 #if NET_2_0
  39                 //
  40                 // CollectionChanging event test section
  41                 //
  42                 bool collection_changing_called;
  43                 int collection_expected_count;
  44                 string collection_expected_assert;
  45                 CollectionChangeAction collection_action_expected;
  46                 object collection_element_expected;
  47
  48                 void CollectionChangingHandler (object o, CollectionChangeEventArgs args)
  49                 {
  50                         BindingsCollection coll = (BindingsCollection)o;
  51
  52                         collection_changing_called = true;
  53                         Assert.AreEqual (collection_expected_count, coll.Count, collection_expected_assert + "-0");
  54                         Assert.AreEqual (collection_action_expected, args.Action, collection_expected_assert + "-1");
  55                         Assert.AreEqual (collection_element_expected, args.Element, collection_expected_assert + "-2");
  56                 }
  57
  58                 [Test]
  59                 public void CollectionChangingTest ()
  60                 {
  61                         Control c = new Control ();
  62                         c.BindingContext = new BindingContext ();
  63                         c.CreateControl ();
  64
  65                         ControlBindingsCollection binding_coll = c.DataBindings;
  66
  67                         Binding binding = new Binding ("Text", new MockItem ("A", 0), "Text");
  68                         Binding binding2 = new Binding ("Name", new MockItem ("B", 0), "Text");
  69                         binding_coll.Add (binding);
  70
  71                         binding_coll.CollectionChanging += CollectionChangingHandler;
  72
  73                         collection_expected_count = 1;
  74                         collection_action_expected = CollectionChangeAction.Add;
  75                         collection_element_expected = binding2;
  76                         collection_expected_assert = "#A0";
  77                         binding_coll.Add (binding2);
  78                         Assert.IsTrue (collection_changing_called, "#A1");
  79
  80                         collection_changing_called = false;
  81                         collection_expected_count = 2;
  82                         collection_action_expected = CollectionChangeAction.Remove;
  83                         collection_element_expected = binding;
  84                         collection_expected_assert = "#B0";
  85                         binding_coll.Remove (binding);
  86                         Assert.IsTrue (collection_changing_called, "#B1");
  87
  88                         collection_changing_called = false;
  89                         collection_expected_count = 1;
  90                         collection_element_expected = null;
  91                         collection_action_expected = CollectionChangeAction.Refresh;
  92                         collection_expected_assert = "#C0";
  93                         binding_coll.Clear ();
  94                         Assert.IsTrue (collection_changing_called, "#C1");
  95                 }
  96 #endif
  97         }
  98 }
  99