public void GridStarsTest()
{
Grid panel = new Grid();
panel.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.FromStars(1)
});
panel.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.FromStars(2), MaxWidth = 200
});
panel.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.FromStars(3), MaxWidth = 100
});
panel.RowDefinitions.Add(new RowDefinition());
panel.Arrange(new Rect(60, 10));
Assert.IsTrue(panel.ColumnDefinitions[0].ActualWidth.IsClose(10));
Assert.IsTrue(panel.ColumnDefinitions[1].ActualWidth.IsClose(20));
Assert.IsTrue(panel.ColumnDefinitions[2].ActualWidth.IsClose(30));
Assert.IsTrue(panel.ColumnDefinitions.Sum(column => column.ActualWidth).IsClose(60));
panel.Arrange(new Rect(200, 10));
Assert.IsTrue(panel.ColumnDefinitions[0].ActualWidth.IsClose(200.0 / 6));
Assert.IsTrue(panel.ColumnDefinitions[1].ActualWidth.IsClose(200.0 / 3));
Assert.IsTrue(panel.ColumnDefinitions[2].ActualWidth.IsClose(100));
Assert.IsTrue(panel.ColumnDefinitions.Sum(column => column.ActualWidth).IsClose(200));
panel.Arrange(new Rect(400, 10));
Assert.IsTrue(panel.ColumnDefinitions[0].ActualWidth.IsClose(100));
Assert.IsTrue(panel.ColumnDefinitions[1].ActualWidth.IsClose(200));
Assert.IsTrue(panel.ColumnDefinitions[2].ActualWidth.IsClose(100));
Assert.IsTrue(panel.ColumnDefinitions.Sum(column => column.ActualWidth).IsClose(400));
panel.Arrange(new Rect(600, 10));
Assert.IsTrue(panel.ColumnDefinitions[0].ActualWidth.IsClose(300));
Assert.IsTrue(panel.ColumnDefinitions[1].ActualWidth.IsClose(200));
Assert.IsTrue(panel.ColumnDefinitions[2].ActualWidth.IsClose(100));
Assert.IsTrue(panel.ColumnDefinitions.Sum(column => column.ActualWidth).IsClose(600));
}
public void GridLayoutTest()
{
// 1* | 2* | 3*
// [c1]|[--c2---]|[-----c3-----]
// [-----c4-----]|
// |[----------c5----------]
Grid panel = new Grid();
panel.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.FromStars(1)
});
panel.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.FromStars(2)
});
panel.ColumnDefinitions.Add(new ColumnDefinition {
Width = GridLength.FromStars(3)
});
panel.RowDefinitions.Add(new RowDefinition());
panel.RowDefinitions.Add(new RowDefinition());
panel.RowDefinitions.Add(new RowDefinition());
FrameworkElement child1 = new FrameworkElement {
Height = 100
};
FrameworkElement child2 = new FrameworkElement {
Height = 100
};
FrameworkElement child3 = new FrameworkElement {
Height = 100
};
FrameworkElement child4 = new FrameworkElement {
Height = 100
};
FrameworkElement child5 = new FrameworkElement {
Height = 100
};
Grid.SetColumn(child1, 0);
Grid.SetColumn(child2, 1);
Grid.SetColumn(child3, 2);
Grid.SetColumn(child4, 0);
Grid.SetColumn(child5, 1);
Grid.SetRow(child4, 1);
Grid.SetRow(child5, 2);
Grid.SetColumnSpan(child4, 2);
Grid.SetColumnSpan(child5, 2);
panel.Children.Add(child1);
panel.Children.Add(child2);
panel.Children.Add(child3);
panel.Children.Add(child4);
panel.Children.Add(child5);
panel.Measure(new Size(600, 600));
Assert.AreEqual(new Size(0, 300), panel.DesiredSize);
panel.Arrange(new Rect(600, 300));
Assert.AreEqual(new Size(600, 300), panel.VisualSize);
Assert.AreEqual(new Size(100, 100), child1.VisualSize);
Assert.AreEqual(new Size(200, 100), child2.VisualSize);
Assert.AreEqual(new Size(300, 100), child3.VisualSize);
Assert.AreEqual(new Size(300, 100), child4.VisualSize);
Assert.AreEqual(new Size(500, 100), child5.VisualSize);
Assert.AreEqual(new Point(0, 0), child1.VisualOffset);
Assert.AreEqual(new Point(100, 0), child2.VisualOffset);
Assert.AreEqual(new Point(300, 0), child3.VisualOffset);
Assert.AreEqual(new Point(0, 100), child4.VisualOffset);
Assert.AreEqual(new Point(100, 200), child5.VisualOffset);
}
