// (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.Reflection;
using System.Windows.Media;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace System.Windows.Controls.Data.Test{
public partial class DataGrid_DependencyProperties_TestClass
{
[TestMethod]
[Description("Verify Dependency Property: (Brush) DataGrid.HorizontalGridLinesBrush.")]
public void HorizontalGridLinesBrush()
{
Type propertyType = typeof(Brush);
bool expectGet = true;
bool expectSet = true;
bool hasSideEffects = true;
DataGrid control = new DataGrid();
Assert.IsNotNull(control);
// Verify Dependency Property Property member
FieldInfo fieldInfo = typeof(DataGrid).GetField("HorizontalGridLinesBrushProperty", BindingFlags.Static | BindingFlags.Public);
Assert.AreEqual(typeof(DependencyProperty), fieldInfo.FieldType, "DataGrid.HorizontalGridLinesBrushProperty not expected type 'DependencyProperty'.");
// Verify Dependency Property Property's value type
DependencyProperty property = fieldInfo.GetValue(null) as DependencyProperty;
Assert.IsNotNull(property);
//
// Verify Dependency Property CLR property member
PropertyInfo propertyInfo = typeof(DataGrid).GetProperty("HorizontalGridLinesBrush", BindingFlags.Instance | BindingFlags.Public);
Assert.IsNotNull(propertyInfo, "Expected CLR property DataGrid.HorizontalGridLinesBrush does not exist.");
Assert.AreEqual(propertyType, propertyInfo.PropertyType, "DataGrid.HorizontalGridLinesBrush not expected type 'Brush'.");
// Verify getter/setter access
Assert.AreEqual(expectGet, propertyInfo.CanRead, "Unexpected value for propertyInfo.CanRead.");
Assert.AreEqual(expectSet, propertyInfo.CanWrite, "Unexpected value for propertyInfo.CanWrite.");
// Verify that we set what we get
if (expectSet) // if expectSet == false, this block can be removed
{
Brush brush1 = new LinearGradientBrush { GradientStops = { new GradientStop { Offset = 0.3, Color = Colors.Red } } };
Brush brush2 = new LinearGradientBrush { GradientStops = { new GradientStop { Offset = 0.6, Color = Colors.Green } } };
control.HorizontalGridLinesBrush = brush1;
Assert.AreEqual(brush1, control.HorizontalGridLinesBrush);
control.HorizontalGridLinesBrush = brush2;
Assert.AreEqual(brush2, control.HorizontalGridLinesBrush);
control.HorizontalGridLinesBrush = brush1;
Assert.AreEqual(brush1, control.HorizontalGridLinesBrush);
}
// Verify Dependency Property callback
if (hasSideEffects)
{
MethodInfo methodInfo = typeof(DataGrid).GetMethod("OnHorizontalGridLinesBrushPropertyChanged", BindingFlags.Static | BindingFlags.NonPublic);
Assert.IsNotNull(methodInfo, "Expected DataGrid.HorizontalGridLinesBrush to have static, non-public side-effect callback 'OnHorizontalGridLinesBrushPropertyChanged'.");
//
}
else
{
MethodInfo methodInfo = typeof(DataGrid).GetMethod("OnHorizontalGridLinesBrushPropertyChanged", BindingFlags.Static | BindingFlags.NonPublic);
Assert.IsNull(methodInfo, "Expected DataGrid.HorizontalGridLinesBrush NOT to have static side-effect callback 'OnHorizontalGridLinesBrushPropertyChanged'.");
}
}
}
}
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