public void LegendContentUpdatesImmediately()
{
Chart chart = new Chart();
PieSeries series = DefaultControlToTest as PieSeries;
series.DependentValueBinding = new Binding("Value");
series.IndependentValueBinding = new Binding("Value");
NotifyingDataObject <int> notifyingDataObject = new NotifyingDataObject <int> {
Value = 5
};
series.ItemsSource = new NotifyingDataObject <int>[] { notifyingDataObject };
chart.Series.Add(series);
TestAsync(
chart,
() =>
{
LegendItem legendItem = ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>().First();
Assert.AreEqual(5, legendItem.Content);
},
() => notifyingDataObject.Value = 10,
() =>
{
LegendItem legendItem = ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>().First();
Assert.AreEqual(10, legendItem.Content);
});
}
public void LegendItemDataPointHasDataContextSet()
{
Chart chart = new Chart();
PieSeries series = DefaultControlToTest as PieSeries;
series.DependentValueBinding = new Binding("Value");
series.IndependentValueBinding = new Binding("Value");
NotifyingDataObject <int> notifyingDataObjectA = new NotifyingDataObject <int> {
Value = 5
};
NotifyingDataObject <int> notifyingDataObjectB = new NotifyingDataObject <int> {
Value = 7
};
NotifyingDataObject <int>[] notifyingDataObjects = new NotifyingDataObject <int>[] { notifyingDataObjectA, notifyingDataObjectB };
series.ItemsSource = notifyingDataObjects;
chart.Series.Add(series);
TestAsync(
chart,
() =>
{
LegendItem[] legendItems = ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>().ToArray();
Assert.AreEqual(notifyingDataObjects.Length, legendItems.Length);
for (int i = 0; i < notifyingDataObjects.Length; i++)
{
PieDataPoint legendItemDataPoint = legendItems[i].DataContext as PieDataPoint;
Assert.IsNotNull(legendItemDataPoint);
Assert.AreEqual(notifyingDataObjects[i], legendItemDataPoint.DataContext);
}
});
}
public void LegendTitlesWhenIndependentValueBindingUnset()
{
Chart chart = new Chart();
PieSeries series = DefaultControlToTest as PieSeries;
series.ItemsSource = new int[] { 10, 11, 12 };
chart.Series.Add(series);
TestAsync(
chart,
() =>
{
int i = 1;
foreach (var legendItem in ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>())
{
Assert.AreEqual(i, legendItem.Content);
i++;
}
});
}
public void VerifyLegendItemDataPointStyleApplied()
{
Chart chart = new Chart();
DataPointSeries series = DefaultSeriesToTest;
chart.Series.Add(series);
TestAsync(
chart,
() => Assert.IsNotNull(ChartTestUtilities.GetLegend(chart)),
() =>
{
foreach (var legendItem in ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>())
{
var dataPoint = legendItem.DataContext as DataPoint;
if (null != dataPoint)
{
Assert.AreNotEqual(typeof(SolidColorBrush), dataPoint.Background.GetType());
}
}
});
}
