// (c) Copyright Microsoft Corporation.
// This source is subject to the Microsoft Public License (Ms-PL).
// Please see http://go.microsoft.com/fwlink/?LinkID=131993 for details.
// All other rights reserved.
using System.Collections;
using System.Reflection;
using System.Windows.Controls.Data.Test.DataClasses;
using System.Windows.Controls.Test;
using Microsoft.Silverlight.Testing;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace System.Windows.Controls.Data.Test{
public partial class DataGrid_DependencyProperties_TestClass
{
[TestMethod]
[Asynchronous]
[Description("Verify SelectedItems Property: (IList) DataGrid.SelectedItems.")]
public void SelectedItems()
{
Type propertyType = typeof(IList);
bool expectGet = true;
bool expectSet = false;
DataGrid control = new DataGrid();
Assert.IsNotNull(control);
TestPanel.Children.Add(control);
counter = 0;
control.SelectionChanged += control_SelectionChanged;
// Verify Dependency Property CLR property member
PropertyInfo propertyInfo = typeof(DataGrid).GetProperty("SelectedItems", BindingFlags.Instance | BindingFlags.Public);
Assert.IsNotNull(propertyInfo, "Expected CLR property DataGrid.SelectedItems does not exist.");
Assert.AreEqual(propertyType, propertyInfo.PropertyType, "DataGrid.SelectedItems not expected type 'IList'.");
// Verify getter/setter access
Assert.AreEqual(expectGet, propertyInfo.CanRead, "Unexpected value for propertyInfo.CanRead.");
Assert.AreEqual(expectSet, propertyInfo.CanWrite, "Unexpected value for propertyInfo.CanWrite.");
CustomerList list = new CustomerList();
Assert.IsTrue(list.Count > 3, "CustomerList has too few items for this test.");
Assert.AreEqual(0, counter, "Wrong initial counter state.");
Common.AssertExpectedException(DataGridError.DataGrid.ItemIsNotContainedInTheItemsSource("dataItem"),
delegate
{
control.SelectedItems.Add(list[2]);
}
);
Assert.AreEqual(0, counter, "Counter should not have changed after illegal item selection.");
control.ItemsSource = list;
control.SelectionMode = DataGridSelectionMode.Extended;
//
this.EnqueueYieldThread();
EnqueueCallback(delegate
{
Assert.AreEqual(1, counter, "Default selection was not set");
Assert.AreEqual(list[0], control.SelectedItem, "Test0: wrong selected item");
control.SelectedItems.Add(list[2]);
Assert.AreEqual(2, counter, "Test0: Counter should have incremented.");
Assert.AreEqual(list[0], control.SelectedItem, "Test1: wrong selected item -- SelectedItem should have remained the same");
Assert.AreEqual(2, control.SelectedItems.Count, "Test1: wrong selected item count");
control.SelectedItem = list[2];
Assert.AreEqual(3, counter, "Test3: Counter should have incremented.");
Assert.AreEqual(list[2], control.SelectedItem, "Test3: wrong selected item");
Assert.AreEqual(1, control.SelectedItems.Count, "Test3: wrong selected item count");
control.SelectedItems.Clear();
Assert.AreEqual(4, counter, "Test4: Counter should have incremented.");
Assert.IsNull(control.SelectedItem, "Test4: selected item not null");
Assert.AreEqual(0, control.SelectedItems.Count, "Test4: wrong selected item count");
});
EnqueueTestComplete();
}
}
}
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