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Restore unit tests part 2

pull/2563/head
Jumar Macato 7 years ago
parent
d97835ee62
commit
c70ffb564b
No known key found for this signature in database GPG Key ID: B19884DAC3A5BF3F
4 changed files with 267 additions and 533 deletions
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  1. 5
      src/Avalonia.Controls/Grid/DefinitionBase.cs
  2. 5
      src/Avalonia.Controls/Grid/Grid.cs
  3. 263
      tests/Avalonia.Controls.UnitTests/GridTests.cs
  4. 527
      tests/Avalonia.Controls.UnitTests/SharedSizeScopeTests.cs

5
src/Avalonia.Controls/Grid/DefinitionBase.cs
View File

@ -31,7 +31,6 @@ namespace Avalonia.Controls
private double _offset; // offset of the DefinitionBase from left / top corner (assuming LTR case)
internal SharedSizeScope _privateSharedSizeScope;
private SharedSizeState _sharedState; // reference to shared state object this instance is registered with
private bool _successUpdateSharedScope;
/// <summary>
/// Defines the <see cref="SharedSizeGroup"/> property.
@ -60,13 +59,11 @@ namespace Avalonia.Controls
{
if (_sharedState == null &
SharedSizeGroup != null &
Parent?.PrivateSharedSizeScope != null &
!_successUpdateSharedScope)
Parent?.PrivateSharedSizeScope != null )
{
_privateSharedSizeScope = Parent.PrivateSharedSizeScope;
_sharedState = _privateSharedSizeScope.EnsureSharedState(SharedSizeGroup);
_sharedState.AddMember(this);
_successUpdateSharedScope = true;
}
}

5
src/Avalonia.Controls/Grid/Grid.cs
View File

@ -35,6 +35,11 @@ namespace Avalonia.Controls
internal int CellGroup3;
internal int CellGroup4;
internal bool HasSharedSizeScope()
{
return this.GetValue(Grid.PrivateSharedSizeScopeProperty) != null;
}
/// <summary>
/// Helper for Comparer methods.
/// </summary>

263
tests/Avalonia.Controls.UnitTests/GridTests.cs
View File

@ -182,268 +182,5 @@ namespace Avalonia.Controls.UnitTests
Assert.False(target.IsMeasureValid);
}
[Fact]
public void All_Descendant_Grids_Are_Registered_When_Added_After_Setting_Scope()
{
var grids = new[] { new Grid(), new Grid(), new Grid() };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
Assert.All(grids, g => Assert.True(g.PrivateSharedSizeScope != null));
}
[Fact]
public void All_Descendant_Grids_Are_Registered_When_Setting_Scope()
{
var grids = new[] { new Grid(), new Grid(), new Grid() };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.Child = scope;
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
Assert.All(grids, g => Assert.True(g.PrivateSharedSizeScope != null));
}
[Fact]
public void All_Descendant_Grids_Are_Unregistered_When_Resetting_Scope()
{
var grids = new[] { new Grid(), new Grid(), new Grid() };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
Assert.All(grids, g => Assert.True(g.PrivateSharedSizeScope != null));
root.SetValue(Grid.IsSharedSizeScopeProperty, false);
Assert.All(grids, g => Assert.False(g.PrivateSharedSizeScope != null));
Assert.Equal(null, root.GetValue(Grid.PrivateSharedSizeScopeProperty));
}
[Fact]
public void Size_Is_Propagated_Between_Grids()
{
var grids = new[] { CreateGrid("A", null), CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(30, grids[0].ColumnDefinitions[0].ActualWidth);
}
[Fact]
public void Size_Propagation_Is_Constrained_To_Innermost_Scope()
{
var grids = new[] { CreateGrid("A", null), CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
var innerScope = new Panel();
innerScope.Children.AddRange(grids);
innerScope.SetValue(Grid.IsSharedSizeScopeProperty, true);
var outerGrid = CreateGrid(("A", new GridLength(0)));
var outerScope = new Panel();
outerScope.Children.AddRange(new[] { outerGrid, innerScope });
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = outerScope;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(0, outerGrid.ColumnDefinitions[0].ActualWidth);
}
[Fact]
public void Size_Is_Propagated_Between_Rows_And_Columns()
{
var grid = new Grid
{
ColumnDefinitions = new ColumnDefinitions("*,30"),
RowDefinitions = new RowDefinitions("*,10")
};
grid.ColumnDefinitions[1].SharedSizeGroup = "A";
grid.RowDefinitions[1].SharedSizeGroup = "A";
var root = new TestRoot();
root.Child = grid;
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(30, grid.RowDefinitions[1].ActualHeight);
}
[Fact]
public void Size_Group_Changes_Are_Tracked()
{
var grids = new[] {
CreateGrid((null, new GridLength(0, GridUnitType.Auto)), (null, new GridLength())),
CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(0, grids[0].ColumnDefinitions[0].ActualWidth);
grids[0].ColumnDefinitions[0].SharedSizeGroup = "A";
root.Measure(new Size(51, 51));
root.Arrange(new Rect(new Point(), new Point(51, 51)));
Assert.Equal(30, grids[0].ColumnDefinitions[0].ActualWidth);
grids[0].ColumnDefinitions[0].SharedSizeGroup = null;
root.Measure(new Size(52, 52));
root.Arrange(new Rect(new Point(), new Point(52, 52)));
Assert.Equal(0, grids[0].ColumnDefinitions[0].ActualWidth);
}
[Fact]
public void Collection_Changes_Are_Tracked()
{
var grid = CreateGrid(
("A", new GridLength(20)),
("A", new GridLength(30)),
("A", new GridLength(40)),
(null, new GridLength()));
var scope = new Panel();
scope.Children.Add(grid);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(40, cd.ActualWidth));
grid.ColumnDefinitions.RemoveAt(2);
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(30, cd.ActualWidth));
grid.ColumnDefinitions.Insert(1, new ColumnDefinition { Width = new GridLength(35), SharedSizeGroup = "A" });
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(35, cd.ActualWidth));
grid.ColumnDefinitions[1] = new ColumnDefinition { Width = new GridLength(10), SharedSizeGroup = "A" };
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(30, cd.ActualWidth));
grid.ColumnDefinitions[1] = new ColumnDefinition { Width = new GridLength(50), SharedSizeGroup = "A" };
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(50, cd.ActualWidth));
}
[Fact]
public void Size_Priorities_Are_Maintained()
{
var sizers = new List<Control>();
var grid = CreateGrid(
("A", new GridLength(20)),
("A", new GridLength(20, GridUnitType.Auto)),
("A", new GridLength(1, GridUnitType.Star)),
("A", new GridLength(1, GridUnitType.Star)),
(null, new GridLength()));
for (int i = 0; i < 3; i++)
sizers.Add(AddSizer(grid, i, 6 + i * 6));
var scope = new Panel();
scope.Children.Add(grid);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
grid.Measure(new Size(100, 100));
grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// all in group are equal to the first fixed column
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(20, cd.ActualWidth));
grid.ColumnDefinitions[0].SharedSizeGroup = null;
grid.Measure(new Size(100, 100));
grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// all in group are equal to width (MinWidth) of the sizer in the second column
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(6 + 1 * 6, cd.ActualWidth));
grid.ColumnDefinitions[1].SharedSizeGroup = null;
grid.Measure(new Size(double.PositiveInfinity, 100));
grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// with no constraint star columns default to the MinWidth of the sizer in the column
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(6 + 2 * 6, cd.ActualWidth));
}
// grid creators
private Grid CreateGrid(params string[] columnGroups)
{
return CreateGrid(columnGroups.Select(s => (s, ColumnDefinition.WidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
}
private Grid CreateGrid(params (string name, GridLength width)[] columns)
{
return CreateGrid(columns.Select(c =>
(c.name, c.width, ColumnDefinition.MinWidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
}
private Grid CreateGrid(params (string name, GridLength width, double minWidth)[] columns)
{
return CreateGrid(columns.Select(c =>
(c.name, c.width, c.minWidth, ColumnDefinition.MaxWidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
}
private Grid CreateGrid(params (string name, GridLength width, double minWidth, double maxWidth)[] columns)
{
var columnDefinitions = new ColumnDefinitions();
columnDefinitions.AddRange(
columns.Select(c => new ColumnDefinition
{
SharedSizeGroup = c.name,
Width = c.width,
MinWidth = c.minWidth,
MaxWidth = c.maxWidth
})
);
var grid = new Grid
{
ColumnDefinitions = columnDefinitions
};
return grid;
}
private Control AddSizer(Grid grid, int column, double size = 30)
{
var ctrl = new Control { MinWidth = size, MinHeight = size };
ctrl.SetValue(Grid.ColumnProperty, column);
grid.Children.Add(ctrl);
return ctrl;
}
}
}

527
tests/Avalonia.Controls.UnitTests/SharedSizeScopeTests.cs
View File

@ -6,279 +6,274 @@ using Avalonia.Platform;
using Avalonia.UnitTests;
using Moq;
using Xunit;
namespace Avalonia.Controls.UnitTests
{
public class SharedSizeScopeTests
{
public SharedSizeScopeTests()
[Fact]
public void All_Descendant_Grids_Are_Registered_When_Added_After_Setting_Scope()
{
var grids = new[] { new Grid(), new Grid(), new Grid() };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
Assert.All(grids, g => Assert.True(g.HasSharedSizeScope()));
}
[Fact]
public void All_Descendant_Grids_Are_Registered_When_Setting_Scope()
{
var grids = new[] { new Grid(), new Grid(), new Grid() };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.Child = scope;
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
Assert.All(grids, g => Assert.True(g.HasSharedSizeScope()));
}
[Fact]
public void All_Descendant_Grids_Are_Unregistered_When_Resetting_Scope()
{
var grids = new[] { new Grid(), new Grid(), new Grid() };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
Assert.All(grids, g => Assert.True(g.HasSharedSizeScope()));
root.SetValue(Grid.IsSharedSizeScopeProperty, false);
Assert.All(grids, g => Assert.False(g.HasSharedSizeScope()));
Assert.Equal(null, root.GetValue(Grid.PrivateSharedSizeScopeProperty));
}
[Fact]
public void Size_Is_Propagated_Between_Grids()
{
var grids = new[] { CreateGrid("A", null), CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(30, grids[0].ColumnDefinitions[0].ActualWidth);
}
[Fact]
public void Size_Propagation_Is_Constrained_To_Innermost_Scope()
{
var grids = new[] { CreateGrid("A", null), CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
var innerScope = new Panel();
innerScope.Children.AddRange(grids);
innerScope.SetValue(Grid.IsSharedSizeScopeProperty, true);
var outerGrid = CreateGrid(("A", new GridLength(0)));
var outerScope = new Panel();
outerScope.Children.AddRange(new[] { outerGrid, innerScope });
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = outerScope;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(0, outerGrid.ColumnDefinitions[0].ActualWidth);
}
[Fact]
public void Size_Is_Propagated_Between_Rows_And_Columns()
{
var grid = new Grid
{
ColumnDefinitions = new ColumnDefinitions("*,30"),
RowDefinitions = new RowDefinitions("*,10")
};
grid.ColumnDefinitions[1].SharedSizeGroup = "A";
grid.RowDefinitions[1].SharedSizeGroup = "A";
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = grid;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(30, grid.RowDefinitions[1].ActualHeight);
}
[Fact]
public void Size_Group_Changes_Are_Tracked()
{
var grids = new[] {
CreateGrid((null, new GridLength(0, GridUnitType.Auto)), (null, new GridLength())),
CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
var scope = new Panel();
scope.Children.AddRange(grids);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
root.Measure(new Size(50, 50));
root.Arrange(new Rect(new Point(), new Point(50, 50)));
Assert.Equal(0, grids[0].ColumnDefinitions[0].ActualWidth);
grids[0].ColumnDefinitions[0].SharedSizeGroup = "A";
root.Measure(new Size(51, 51));
root.Arrange(new Rect(new Point(), new Point(51, 51)));
Assert.Equal(30, grids[0].ColumnDefinitions[0].ActualWidth);
grids[0].ColumnDefinitions[0].SharedSizeGroup = null;
root.Measure(new Size(52, 52));
root.Arrange(new Rect(new Point(), new Point(52, 52)));
Assert.Equal(0, grids[0].ColumnDefinitions[0].ActualWidth);
}
[Fact]
public void Collection_Changes_Are_Tracked()
{
var grid = CreateGrid(
("A", new GridLength(20)),
("A", new GridLength(30)),
("A", new GridLength(40)),
(null, new GridLength()));
var scope = new Panel();
scope.Children.Add(grid);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(40, cd.ActualWidth));
grid.ColumnDefinitions.RemoveAt(2);
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(30, cd.ActualWidth));
grid.ColumnDefinitions.Insert(1, new ColumnDefinition { Width = new GridLength(35), SharedSizeGroup = "A" });
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(35, cd.ActualWidth));
grid.ColumnDefinitions[1] = new ColumnDefinition { Width = new GridLength(10), SharedSizeGroup = "A" };
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(30, cd.ActualWidth));
grid.ColumnDefinitions[1] = new ColumnDefinition { Width = new GridLength(50), SharedSizeGroup = "A" };
grid.Measure(new Size(200, 200));
grid.Arrange(new Rect(new Point(), new Point(200, 200)));
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(50, cd.ActualWidth));
}
// [Fact]
// public void All_Descendant_Grids_Are_Registered_When_Added_After_Setting_Scope()
// {
// var grids = new[] { new Grid(), new Grid(), new Grid() };
// var scope = new Panel();
// scope.Children.AddRange(grids);
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = scope;
// Assert.All(grids, g => Assert.True(g.HasSharedSizeScope()));
// }
// [Fact]
// public void All_Descendant_Grids_Are_Registered_When_Setting_Scope()
// {
// var grids = new[] { new Grid(), new Grid(), new Grid() };
// var scope = new Panel();
// scope.Children.AddRange(grids);
// var root = new TestRoot();
// root.Child = scope;
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// Assert.All(grids, g => Assert.True(g.HasSharedSizeScope()));
// }
// [Fact]
// public void All_Descendant_Grids_Are_Unregistered_When_Resetting_Scope()
// {
// var grids = new[] { new Grid(), new Grid(), new Grid() };
// var scope = new Panel();
// scope.Children.AddRange(grids);
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = scope;
// Assert.All(grids, g => Assert.True(g.HasSharedSizeScope()));
// root.SetValue(Grid.IsSharedSizeScopeProperty, false);
// Assert.All(grids, g => Assert.False(g.HasSharedSizeScope()));
// Assert.Equal(null, root.GetValue(Grid.s_sharedSizeScopeHostProperty));
// }
// [Fact]
// public void Size_Is_Propagated_Between_Grids()
// {
// var grids = new[] { CreateGrid("A", null),CreateGrid(("A",new GridLength(30)), (null, new GridLength()))};
// var scope = new Panel();
// scope.Children.AddRange(grids);
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = scope;
// root.Measure(new Size(50, 50));
// root.Arrange(new Rect(new Point(), new Point(50, 50)));
// Assert.Equal(30, grids[0].ColumnDefinitions[0].ActualWidth);
// }
// [Fact]
// public void Size_Propagation_Is_Constrained_To_Innermost_Scope()
// {
// var grids = new[] { CreateGrid("A", null), CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
// var innerScope = new Panel();
// innerScope.Children.AddRange(grids);
// innerScope.SetValue(Grid.IsSharedSizeScopeProperty, true);
// var outerGrid = CreateGrid(("A", new GridLength(0)));
// var outerScope = new Panel();
// outerScope.Children.AddRange(new[] { outerGrid, innerScope });
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = outerScope;
// root.Measure(new Size(50, 50));
// root.Arrange(new Rect(new Point(), new Point(50, 50)));
// Assert.Equal(0, outerGrid.ColumnDefinitions[0].ActualWidth);
// }
// [Fact]
// public void Size_Is_Propagated_Between_Rows_And_Columns()
// {
// var grid = new Grid
// {
// ColumnDefinitions = new ColumnDefinitions("*,30"),
// RowDefinitions = new RowDefinitions("*,10")
// };
// grid.ColumnDefinitions[1].SharedSizeGroup = "A";
// grid.RowDefinitions[1].SharedSizeGroup = "A";
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = grid;
// root.Measure(new Size(50, 50));
// root.Arrange(new Rect(new Point(), new Point(50, 50)));
// Assert.Equal(30, grid.RowDefinitions[1].ActualHeight);
// }
// [Fact]
// public void Size_Group_Changes_Are_Tracked()
// {
// var grids = new[] {
// CreateGrid((null, new GridLength(0, GridUnitType.Auto)), (null, new GridLength())),
// CreateGrid(("A", new GridLength(30)), (null, new GridLength())) };
// var scope = new Panel();
// scope.Children.AddRange(grids);
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = scope;
// root.Measure(new Size(50, 50));
// root.Arrange(new Rect(new Point(), new Point(50, 50)));
// Assert.Equal(0, grids[0].ColumnDefinitions[0].ActualWidth);
// grids[0].ColumnDefinitions[0].SharedSizeGroup = "A";
// root.Measure(new Size(51, 51));
// root.Arrange(new Rect(new Point(), new Point(51, 51)));
// Assert.Equal(30, grids[0].ColumnDefinitions[0].ActualWidth);
// grids[0].ColumnDefinitions[0].SharedSizeGroup = null;
// root.Measure(new Size(52, 52));
// root.Arrange(new Rect(new Point(), new Point(52, 52)));
// Assert.Equal(0, grids[0].ColumnDefinitions[0].ActualWidth);
// }
// [Fact]
// public void Collection_Changes_Are_Tracked()
// {
// var grid = CreateGrid(
// ("A", new GridLength(20)),
// ("A", new GridLength(30)),
// ("A", new GridLength(40)),
// (null, new GridLength()));
// var scope = new Panel();
// scope.Children.Add(grid);
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = scope;
// grid.Measure(new Size(200, 200));
// grid.Arrange(new Rect(new Point(), new Point(200, 200)));
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(40, cd.ActualWidth));
// grid.ColumnDefinitions.RemoveAt(2);
// grid.Measure(new Size(200, 200));
// grid.Arrange(new Rect(new Point(), new Point(200, 200)));
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(30, cd.ActualWidth));
// grid.ColumnDefinitions.Insert(1, new ColumnDefinition { Width = new GridLength(35), SharedSizeGroup = "A" });
// grid.Measure(new Size(200, 200));
// grid.Arrange(new Rect(new Point(), new Point(200, 200)));
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(35, cd.ActualWidth));
// grid.ColumnDefinitions[1] = new ColumnDefinition { Width = new GridLength(10), SharedSizeGroup = "A" };
// grid.Measure(new Size(200, 200));
// grid.Arrange(new Rect(new Point(), new Point(200, 200)));
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(30, cd.ActualWidth));
// grid.ColumnDefinitions[1] = new ColumnDefinition { Width = new GridLength(50), SharedSizeGroup = "A" };
// grid.Measure(new Size(200, 200));
// grid.Arrange(new Rect(new Point(), new Point(200, 200)));
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(50, cd.ActualWidth));
// }
// [Fact]
// public void Size_Priorities_Are_Maintained()
// {
// var sizers = new List<Control>();
// var grid = CreateGrid(
// ("A", new GridLength(20)),
// ("A", new GridLength(20, GridUnitType.Auto)),
// ("A", new GridLength(1, GridUnitType.Star)),
// ("A", new GridLength(1, GridUnitType.Star)),
// (null, new GridLength()));
// for (int i = 0; i < 3; i++)
// sizers.Add(AddSizer(grid, i, 6 + i * 6));
// var scope = new Panel();
// scope.Children.Add(grid);
// var root = new TestRoot();
// root.SetValue(Grid.IsSharedSizeScopeProperty, true);
// root.Child = scope;
// grid.Measure(new Size(100, 100));
// grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// // all in group are equal to the first fixed column
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(20, cd.ActualWidth));
// grid.ColumnDefinitions[0].SharedSizeGroup = null;
// grid.Measure(new Size(100, 100));
// grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// // all in group are equal to width (MinWidth) of the sizer in the second column
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(6 + 1 * 6, cd.ActualWidth));
// grid.ColumnDefinitions[1].SharedSizeGroup = null;
// grid.Measure(new Size(double.PositiveInfinity, 100));
// grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// // with no constraint star columns default to the MinWidth of the sizer in the column
// Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(6 + 2 * 6, cd.ActualWidth));
// }
// // grid creators
// private Grid CreateGrid(params string[] columnGroups)
// {
// return CreateGrid(columnGroups.Select(s => (s, ColumnDefinition.WidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
// }
// private Grid CreateGrid(params (string name, GridLength width)[] columns)
// {
// return CreateGrid(columns.Select(c =>
// (c.name, c.width, ColumnDefinition.MinWidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
// }
// private Grid CreateGrid(params (string name, GridLength width, double minWidth)[] columns)
// {
// return CreateGrid(columns.Select(c =>
// (c.name, c.width, c.minWidth, ColumnDefinition.MaxWidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
// }
// private Grid CreateGrid(params (string name, GridLength width, double minWidth, double maxWidth)[] columns)
// {
// var columnDefinitions = new ColumnDefinitions();
// columnDefinitions.AddRange(
// columns.Select(c => new ColumnDefinition
// {
// SharedSizeGroup = c.name,
// Width = c.width,
// MinWidth = c.minWidth,
// MaxWidth = c.maxWidth
// })
// );
// var grid = new Grid
// {
// ColumnDefinitions = columnDefinitions
// };
// return grid;
// }
// private Control AddSizer(Grid grid, int column, double size = 30)
// {
// var ctrl = new Control { MinWidth = size, MinHeight = size };
// ctrl.SetValue(Grid.ColumnProperty,column);
// grid.Children.Add(ctrl);
// return ctrl;
// }
[Fact]
public void Size_Priorities_Are_Maintained()
{
var sizers = new List<Control>();
var grid = CreateGrid(
("A", new GridLength(20)),
("A", new GridLength(20, GridUnitType.Auto)),
("A", new GridLength(1, GridUnitType.Star)),
("A", new GridLength(1, GridUnitType.Star)),
(null, new GridLength()));
for (int i = 0; i < 3; i++)
sizers.Add(AddSizer(grid, i, 6 + i * 6));
var scope = new Panel();
scope.Children.Add(grid);
var root = new TestRoot();
root.SetValue(Grid.IsSharedSizeScopeProperty, true);
root.Child = scope;
grid.Measure(new Size(100, 100));
grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// all in group are equal to the first fixed column
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(20, cd.ActualWidth));
grid.ColumnDefinitions[0].SharedSizeGroup = null;
grid.Measure(new Size(100, 100));
grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// all in group are equal to width (MinWidth) of the sizer in the second column
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(6 + 1 * 6, cd.ActualWidth));
grid.ColumnDefinitions[1].SharedSizeGroup = null;
grid.Measure(new Size(double.PositiveInfinity, 100));
grid.Arrange(new Rect(new Point(), new Point(100, 100)));
// with no constraint star columns default to the MinWidth of the sizer in the column
Assert.All(grid.ColumnDefinitions.Where(cd => cd.SharedSizeGroup == "A"), cd => Assert.Equal(6 + 2 * 6, cd.ActualWidth));
}
// grid creators
private Grid CreateGrid(params string[] columnGroups)
{
return CreateGrid(columnGroups.Select(s => (s, ColumnDefinition.WidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
}
private Grid CreateGrid(params (string name, GridLength width)[] columns)
{
return CreateGrid(columns.Select(c =>
(c.name, c.width, ColumnDefinition.MinWidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
}
private Grid CreateGrid(params (string name, GridLength width, double minWidth)[] columns)
{
return CreateGrid(columns.Select(c =>
(c.name, c.width, c.minWidth, ColumnDefinition.MaxWidthProperty.GetDefaultValue(typeof(ColumnDefinition)))).ToArray());
}
private Grid CreateGrid(params (string name, GridLength width, double minWidth, double maxWidth)[] columns)
{
var columnDefinitions = new ColumnDefinitions();
columnDefinitions.AddRange(
columns.Select(c => new ColumnDefinition
{
SharedSizeGroup = c.name,
Width = c.width,
MinWidth = c.minWidth,
MaxWidth = c.maxWidth
})
);
var grid = new Grid
{
ColumnDefinitions = columnDefinitions
};
return grid;
}
private Control AddSizer(Grid grid, int column, double size = 30)
{
var ctrl = new Control { MinWidth = size, MinHeight = size };
ctrl.SetValue(Grid.ColumnProperty, column);
grid.Children.Add(ctrl);
return ctrl;
}
}
}
}
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