public void Test_UniformGrid_GetDimensions_AllVisible()
{
var treeroot = XamlReader.Load(@"<Page
xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:controls=""using:Microsoft.Toolkit.Uwp.UI.Controls"">
<controls:UniformGrid x:Name=""UniformGrid"">
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
</controls:UniformGrid>
</Page>") as FrameworkElement;
Assert.IsNotNull(treeroot, "Could not load XAML tree.");
var grid = treeroot.FindChildByName("UniformGrid") as UniformGrid;
Assert.IsNotNull(grid, "Could not find UniformGrid in tree.");
var children = grid.Children.Select(item => item as FrameworkElement).ToArray();
Assert.AreEqual(8, grid.Children.Count());
var(rows, columns) = UniformGrid.GetDimensions(children, 0, 0, 0);
Assert.AreEqual(3, rows);
Assert.AreEqual(3, columns);
}
public void Test_UniformGrid_GetDimensions_FirstColumnEqualsColumns()
{
var treeroot = XamlReader.Load(@"<Page
xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:controls=""using:Microsoft.Toolkit.Uwp.UI.Controls"">
<controls:UniformGrid x:Name=""UniformGrid"">
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
<Border/>
</controls:UniformGrid>
</Page>") as FrameworkElement;
Assert.IsNotNull(treeroot, "Could not load XAML tree.");
var grid = treeroot.FindChildByName("UniformGrid") as UniformGrid;
Assert.IsNotNull(grid, "Could not find UniformGrid in tree.");
var children = grid.Children.Select(item => item as FrameworkElement).ToArray();
Assert.AreEqual(7, grid.Children.Count());
// columns == first column
// In WPF, First Column is ignored and we have a 1x7 layout.
var(rows, columns) = UniformGrid.GetDimensions(children, 0, 7, 7);
Assert.AreEqual(1, rows, "Expected single row.");
Assert.AreEqual(7, columns, "Expected seven columns.");
}
public void Test_UniformGrid_GetDimensions_SomeVisible()
{
var treeroot = XamlReader.Load(@"<Page
xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:controls=""using:Microsoft.Toolkit.Uwp.UI.Controls"">
<controls:UniformGrid x:Name=""UniformGrid"">
<Border/>
<Border Visibility=""Collapsed""/>
<Border/>
<Border Visibility=""Collapsed""/>
<Border/>
<Border Visibility=""Collapsed""/>
<Border/>
<Border Visibility=""Collapsed""/>
</controls:UniformGrid>
</Page>") as FrameworkElement;
Assert.IsNotNull(treeroot, "Could not load XAML tree.");
var grid = treeroot.FindChildByName("UniformGrid") as UniformGrid;
Assert.IsNotNull(grid, "Could not find UniformGrid in tree.");
var children = grid.Children.Select(item => item as FrameworkElement);
Assert.AreEqual(8, grid.Children.Count());
// TODO: We don't expose this piece of the UniformGrid, but want to test this here for now.
var visible = grid.Children.Where(item => item.Visibility != Visibility.Collapsed && item is FrameworkElement).Select(item => item as FrameworkElement).ToArray();
Assert.AreEqual(4, visible.Count());
var(rows, columns) = UniformGrid.GetDimensions(visible, 0, 0, 0);
Assert.AreEqual(2, rows);
Assert.AreEqual(2, columns);
}