public void WhenNegativeIntervalValue_ValueNegated()
{
//Prepare
RevolvingContentControl target = new RevolvingContentControl();
//Act
target.Interval = -2;
//Verify
Assert.AreEqual(2, target.Interval);
}
public void WhenConstructed_InitialisValues()
{
//Prepare
//Act
RevolvingContentControl target = new RevolvingContentControl();
//Verify
Assert.AreEqual(1, target.Interval);
Assert.IsFalse(target.Pause);
Assert.IsNull(target.ItemsSource);
Assert.IsNull(target.Items);
}
public void WhenItemsSourceSet_ContentUpdated()
{
//Prepare
RevolvingContentControl target = new RevolvingContentControl();
object firstItem = new object();
object secondItem = new object();
List <object> items = new List <object> {
firstItem, secondItem
};
//Act
target.ItemsSource = items;
//Verify
Assert.AreEqual(firstItem, target.Content);
}
public void WhenIntervalChanged_ValueUpdated()
{
//Prepare
RevolvingContentControl target = new RevolvingContentControl();
bool delegateCalled = false;
DependencyPropertyDescriptor.FromProperty(RevolvingContentControl.IntervalProperty,
typeof(RevolvingContentControl)).AddValueChanged(target, delegate { delegateCalled = true; });
//Act
target.Interval = 2;
//Verify
Assert.IsTrue(delegateCalled);
Assert.AreEqual(2, target.Interval);
}
public void WhenItemsSourceChanged_ValueUpdated()
{
//Prepare
RevolvingContentControl target = new RevolvingContentControl();
bool delegateCalled = false;
List <object> items = new List <object>();
DependencyPropertyDescriptor.FromProperty(RevolvingContentControl.ItemsSourceProperty,
typeof(RevolvingContentControl)).AddValueChanged(target, delegate { delegateCalled = true; });
//Act
target.ItemsSource = items;
//Verify
Assert.IsTrue(delegateCalled);
Assert.AreEqual(items, target.ItemsSource);
}
public void WhenItemsSourceIsNull_ContentIsNull()
{
//Prepare
RevolvingContentControl target = new RevolvingContentControl();
object firstItem = new object();
object secondItem = new object();
List <object> items = new List <object> {
firstItem, secondItem
};
target.ItemsSource = items;
//Act
target.ItemsSource = null;
//Verify
Assert.IsNull(target.Content);
}