public void TestImplicitConstraintsOnMinSpaceChild()
{
var g = new Grid(LayoutTestStyle.Create());
g.AddChildAt(new LayoutTestWidget {
MeasureOverrideFunc = s => new Size(100, 50)
}, 0, 0);
g.AddChildAt(new LayoutTestWidget {
MeasureOverrideFunc = s => new Size(200, 100)
}, 1, 1);
g.Measure(new Size(float.PositiveInfinity, float.PositiveInfinity));
g[0].DesiredSize.Should().Be(new Size(100, 50));
g[1].DesiredSize.Should().Be(new Size(200, 100));
g.DesiredSize.Should().Be(new Size(300, 150));
g.Arrange(new Rectangle(10, 20, 400, 300));
g[0].DesiredSize.Should().Be(new Size(100, 50));
g[1].DesiredSize.Should().Be(new Size(200, 100));
g[0].LayoutInvalid.Should().Be(false);
g[1].LayoutInvalid.Should().Be(false);
g[0].LayoutRect.Should().Be(new Rectangle(10, 20, 100, 50));
g[1].LayoutRect.Should().Be(new Rectangle(110, 70, 200, 100));
g.LayoutRect.Should().Be(new Rectangle(10, 20, 300, 150));
}
public void TestImplicitConstraintsAdded()
{
var g = new Grid(LayoutTestStyle.Create());
g.AddChildAt(new LayoutTestWidget(), 0, 0);
g.AddChildAt(new LayoutTestWidget(), 1, 1);
g.Measure(new Size(float.PositiveInfinity, float.PositiveInfinity));
g.RowConstraints.Should().BeEquivalentTo(LengthConstraint.Auto, LengthConstraint.Auto);
g.ColumnConstraints.Should().BeEquivalentTo(LengthConstraint.Auto, LengthConstraint.Auto);
}
public void TestGridSpacing()
{
var g = new Grid(LayoutTestStyle.Create());
g.Spacing = 10;
g.AddChildAt(LayoutTestWidget.FixedSize(100, 100), 0, 0);
g.AddChildAt(LayoutTestWidget.FixedSize(200, 200), 1, 1);
g.AddChildAt(LayoutTestWidget.FixedSize(200, 200), 1, 2);
g.Measure(Size.Auto);
g.Arrange(new Rectangle(10, 20, g.DesiredSize.WidthInt, g.DesiredSize.HeightInt));
g.LayoutRect.Size.Should().Be(new Point(g.DesiredSize.WidthInt, g.DesiredSize.HeightInt));
}
public void TestImplicitFixedMeasure()
{
var g = new Grid(LayoutTestStyle.Create());
g.AddChildAt(LayoutTestWidget.FixedSize(100, 100), 0, 0);
g.AddChildAt(LayoutTestWidget.FixedSize(200, 200), 1, 1);
g.Arrange(new Rectangle(10, 20, 0, 0));
g.DesiredSize.Should().Be(new Size(300, 300));
g.LayoutRect.Should().Be(new Rectangle(10, 20, 300, 300));
g[0].LayoutRect.Should().Be(new Rectangle(10, 20, 100, 100));
g[1].LayoutRect.Should().Be(new Rectangle(110, 120, 200, 200));
}
public void Auto_Relative_Mixed()
{
var g = new Grid(LayoutTestStyle.Create());
g.ColumnConstraints.Add(LengthConstraint.Auto);
g.ColumnConstraints.Add(LengthConstraint.Relative(1));
g.ColumnConstraints.Add(LengthConstraint.Relative(1));
g.AddChildAt(LayoutTestWidget.FixedSize(100, 10), 0, 0);
g.AddChildAt(LayoutTestWidget.FixedSize(200, 10), 1, 0);
g.AddChildAt(LayoutTestWidget.FixedSize(10, 10), 2, 0);
g.Arrange(new Rectangle(10, 20, 400, 20));
g.DesiredSize.Should().Be(new Size(400, 10));
g.LayoutRect.Should().Be(new Rectangle(10, 20, 400, 10));
g[0].LayoutRect.Should().Be(new Rectangle(10, 20, 100, 10));
g[1].LayoutRect.Should().Be(new Rectangle(110, 20, 150, 10));
g[2].LayoutRect.Should().Be(new Rectangle(260, 20, 150, 10));
}
public void TestImplicitConstraintsOnZeroSpaceChild()
{
var g = new Grid(LayoutTestStyle.Create());
g.AddChildAt(new LayoutTestWidget(), 0, 0);
g.AddChildAt(new LayoutTestWidget(), 1, 1);
g.Measure(new Size(float.PositiveInfinity, float.PositiveInfinity));
g[0].DesiredSize.Should().Be(new Size());
g[1].DesiredSize.Should().Be(new Size());
g.DesiredSize.Should().Be(new Size());
g.Arrange(new Rectangle(10, 20, 400, 300));
g[0].DesiredSize.Should().Be(new Size());
g[1].DesiredSize.Should().Be(new Size());
g[0].LayoutInvalid.Should().Be(false);
g[1].LayoutInvalid.Should().Be(false);
g[0].LayoutRect.Should().Be(new Rectangle(10, 20, 0, 0));
g[1].LayoutRect.Should().Be(new Rectangle(10, 20, 0, 0));
g.LayoutRect.Should().Be(new Rectangle(10, 20, 0, 0));
}