mcs/class/WindowsBase/Test/System.ComponentModel/SortDescriptionCollectionTest.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) 2007 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Brian O'Keefe (zer0keefie@gmail.com)
  24 //
  25
  26 using System;
  27 using System.Collections.Generic;
  28 using System.Linq;
  29 using System.Text;
  30 using NUnit.Framework;
  31 using System.ComponentModel;
  32 using System.Collections.Specialized;
  33
  34 namespace MonoTests.System.ComponentModel {
  35         [TestFixture]
  36         public class SortDescriptionCollectionTest
  37         {
  38                 public SortDescriptionCollectionTest()
  39                 {
  40                 }
  41
  42                 [Test]
  43                 public void SortDescriptionCollectionAddTest()
  44                 {
  45                         SortDescriptionCollection sdc = new SortDescriptionCollection ();
  46                         SortDescription addedItem = new SortDescription ("NONE", ListSortDirection.Ascending);
  47
  48                         ((INotifyCollectionChanged)sdc).CollectionChanged += delegate (object sender, NotifyCollectionChangedEventArgs e) {
  49                                 Assert.AreEqual (NotifyCollectionChangedAction.Add, e.Action, "ADD_#0");
  50                                 addedItem = (SortDescription)e.NewItems [0];
  51                                 Assert.AreEqual (true, addedItem.IsSealed, "ADD_#0b");
  52                         };
  53
  54                         sdc.Add (new SortDescription ("A", ListSortDirection.Ascending));
  55
  56                         Assert.AreEqual ("A", addedItem.PropertyName, "ADD_#1");
  57                         Assert.AreEqual (ListSortDirection.Ascending, addedItem.Direction, "ADD_#2");
  58                         Assert.AreEqual (true, addedItem.IsSealed, "ADD_#3");
  59                 }
  60
  61                 [Test]
  62                 public void SortDescriptionCollectionAddNoHandlerTest()
  63                 {
  64                         SortDescriptionCollection sdc = new SortDescriptionCollection ();
  65                         SortDescription addedItem = new SortDescription ("A", ListSortDirection.Ascending);
  66
  67                         sdc.Add (addedItem);
  68
  69                         addedItem = sdc[0];
  70
  71                         Assert.AreEqual ("A", addedItem.PropertyName, "ADDN_#1");
  72                         Assert.AreEqual (ListSortDirection.Ascending, addedItem.Direction, "ADDN_#2");
  73                         Assert.AreEqual (true, addedItem.IsSealed, "ADDN_#3");
  74                 }
  75
  76                 [Test]
  77                 public void SortDescriptionCollectionRemoveTest()
  78                 {
  79                         SortDescriptionCollection sdc = new SortDescriptionCollection ();
  80                         SortDescription removedItem = new SortDescription ("NONE", ListSortDirection.Ascending);
  81
  82                         sdc.Add (new SortDescription ("A", ListSortDirection.Ascending));
  83
  84                         ((INotifyCollectionChanged)sdc).CollectionChanged += delegate (object sender, NotifyCollectionChangedEventArgs e) {
  85                                 Assert.AreEqual (NotifyCollectionChangedAction.Remove, e.Action, "REM_#0");
  86                                 removedItem = (SortDescription)e.OldItems [0];
  87                                 Assert.AreEqual (true, removedItem.IsSealed, "REM_#0b");
  88                         };
  89
  90                         sdc.RemoveAt (0);
  91
  92                         Assert.AreEqual ("A", removedItem.PropertyName, "REM_#1");
  93                         Assert.AreEqual (ListSortDirection.Ascending, removedItem.Direction, "REM_#2");
  94                         Assert.AreEqual (true, removedItem.IsSealed, "REM_#3");
  95                 }
  96
  97                 [Test]
  98                 public void SortDescriptionCollectionClearTest()
  99                 {
 100                         SortDescriptionCollection sdc = new SortDescriptionCollection ();
 101                         bool eventFired = false;
 102
 103                         sdc.Add (new SortDescription ("A", ListSortDirection.Ascending));
 104
 105                         ((INotifyCollectionChanged)sdc).CollectionChanged += delegate (object sender, NotifyCollectionChangedEventArgs e) {
 106                                 Assert.AreEqual (NotifyCollectionChangedAction.Reset, e.Action, "CLR_#0");
 107                                 eventFired = true;
 108                         };
 109
 110                         sdc.Clear ();
 111
 112                         Assert.IsTrue (eventFired, "CLR_#1");
 113                 }
 114
 115                 [Test]
 116                 public void SortDescriptionCollectionSetTest()
 117                 {
 118                         SortDescriptionCollection sdc = new SortDescriptionCollection ();
 119                         int addEvent = 0, removeEvent = 0;
 120
 121                         SortDescription addedItem = new SortDescription ("NONE", ListSortDirection.Ascending);
 122                         SortDescription removedItem = new SortDescription ("NONE", ListSortDirection.Ascending);
 123
 124                         sdc.Add (new SortDescription ("A", ListSortDirection.Ascending));
 125
 126                         ((INotifyCollectionChanged)sdc).CollectionChanged += delegate (object sender, NotifyCollectionChangedEventArgs e) {
 127                                 switch (e.Action) {
 128                                         case NotifyCollectionChangedAction.Add:
 129                                                 addEvent++;
 130                                                 addedItem = (SortDescription)e.NewItems [0];
 131                                                 break;
 132                                         case NotifyCollectionChangedAction.Remove:
 133                                                 removeEvent++;
 134                                                 removedItem = (SortDescription)e.OldItems [0];
 135                                                 break;
 136                                         default:
 137                                                 Assert.Fail ("SET_#0");
 138                                                 break;
 139                                 }
 140                         };
 141
 142                         sdc [0] = new SortDescription ("B", ListSortDirection.Descending);
 143
 144                         Assert.AreEqual (1, addEvent, "SET_#1");
 145                         Assert.AreEqual (1, removeEvent, "SET_#2");
 146
 147                         Assert.AreEqual ("A", removedItem.PropertyName, "REM_#1");
 148                         Assert.AreEqual (ListSortDirection.Ascending, removedItem.Direction, "REM_#2");
 149                         Assert.AreEqual (true, removedItem.IsSealed, "REM_#3");
 150
 151                         Assert.AreEqual ("B", addedItem.PropertyName, "ADD_#1");
 152                         Assert.AreEqual (ListSortDirection.Descending, addedItem.Direction, "ADD_#2");
 153                         Assert.AreEqual (true, addedItem.IsSealed, "ADD_#3");
 154                 }
 155
 156                 [Test]
 157                 public void GetEmptyCollection ()
 158                 {
 159                         var collection = SortDescriptionCollection.Empty;
 160                         CollectionAssert.IsEmpty (collection, "A1");
 161                 }
 162
 163                 [Test]
 164                 [ExpectedException (typeof(NotSupportedException))]
 165                 public void AddToEmptyCollection ()
 166                 {
 167                         var collection = SortDescriptionCollection.Empty;
 168                         collection.Add (new SortDescription ());
 169                 }
 170
 171                 [Test]
 172                 public void RemoveFromEmptyCollection ()
 173                 {
 174                         var collection = SortDescriptionCollection.Empty;
 175                         Assert.IsFalse (collection.Remove (new SortDescription ()), "A1");
 176                 }
 177
 178                 [Test]
 179                 [ExpectedException (typeof(NotSupportedException))]
 180                 public void RemoveAtIndexFromEmptyCollection ()
 181                 {
 182                         var collection = SortDescriptionCollection.Empty;
 183                         collection.RemoveAt (0);
 184                 }
 185
 186                 [Test]
 187                 [ExpectedException (typeof(NotSupportedException))]
 188                 public void ClearEmptyCollection ()
 189                 {
 190                         var collection = SortDescriptionCollection.Empty;
 191                         collection.Clear ();
 192                 }
 193
 194                 [Test]
 195                 [ExpectedException (typeof(NotSupportedException))]
 196                 public void InsertIntoEmptyCollection ()
 197                 {
 198                         var collection = SortDescriptionCollection.Empty;
 199                         collection.Insert (0, new SortDescription ());
 200                 }
 201         }
 202 }