public void TitleCentersProperlyAfterUpdate()
{
Chart chart = new Chart();
LinearAxis horizontalAxis = new LinearAxis {
Orientation = AxisOrientation.X, Title = "Filler Text"
};
chart.Axes.Add(horizontalAxis);
LinearAxis verticalAxis = new LinearAxis {
Orientation = AxisOrientation.Y, Title = "Sample Title"
};
chart.Axes.Add(verticalAxis);
Title horizontalTitle = null;
Title verticalTitle = null;
TestAsync(
chart,
() =>
{
horizontalTitle = horizontalAxis.GetVisualDescendents().OfType <Title>().First();
verticalTitle = verticalAxis.GetVisualDescendents().OfType <Title>().First();
},
() =>
{
Point xLeftTop = horizontalTitle.TransformToVisual(horizontalAxis).Transform(new Point());
Assert.AreEqual(Math.Round(xLeftTop.X), Math.Round((horizontalAxis.ActualWidth - horizontalTitle.ActualWidth) / 2));
Point yLeftTop = verticalTitle.TransformToVisual(verticalAxis).Transform(new Point());
Assert.AreEqual(Math.Round(yLeftTop.Y), Math.Round((verticalAxis.ActualHeight + verticalTitle.ActualWidth) / 2));
},
() =>
{
horizontalAxis.Title = "Much longer filler text";
verticalAxis.Title = new Rectangle {
Width = 100, Height = 10
};
},
() =>
{
Point xLeftTop = horizontalTitle.TransformToVisual(horizontalAxis).Transform(new Point());
Assert.AreEqual(Math.Round(xLeftTop.X), Math.Round((horizontalAxis.ActualWidth - horizontalTitle.ActualWidth) / 2));
Point yLeftTop = verticalTitle.TransformToVisual(verticalAxis).Transform(new Point());
Assert.AreEqual(Math.Round(yLeftTop.Y), Math.Round((verticalAxis.ActualHeight + verticalTitle.ActualWidth) / 2));
});
}