public void Arrange_should_layout_items_honoring_their_desired_size()
{
var area = new Rectangle(5, 5, 100, 100);
var box = new VBox {
Height = 100
};
var c1 = new Component {
Height = 40, Width = 100
};
var c2 = new TestableComponent {
Height = SizeUnit.Unlimited, Width = 100, OnMeasureCallback = _ => new Size(100, 50)
};
var c3 = new Component {
Height = 40, Width = 100
};
box.AddComponent(c1);
box.AddComponent(c2);
box.AddComponent(c3);
box.Measure(area.Size, TestRendererContext.Instance);
box.Arrange(area);
c1.Layout.ShouldBe(new Rectangle(5, 5, 100, 40));
c2.Layout.ShouldBe(new Rectangle(5, 45, 100, 50));
c3.Layout.ShouldBe(new Rectangle(5, 95, 100, 10));
}
public void Arrange_should_layout_children_vertically_passing_max_width_but_limiting_area_to_not_expand_over_the_bounding_box()
{
var area = new Rectangle(5, 5, 100, 30);
var box = new VBox();
var c1 = new Component {
Width = 90, Height = 15
};
var c2 = new Component {
Width = 110, Height = 20
};
var c3 = new Component {
Width = 100, Height = 20
};
box.AddComponent(c1);
box.AddComponent(c2);
box.AddComponent(c3);
box.Measure(area.Size, TestRendererContext.Instance);
box.Arrange(area);
c1.Layout.ShouldBe(new Rectangle(5, 5, 90, 15));
c2.Layout.ShouldBe(new Rectangle(5, 5 + 15, 100, 15));
c3.Layout.ShouldBe(new Rectangle(5, 5 + 15 + 15, 100, 0));
}
public void Arrange_should_distribute_remaining_width_between_components_with_unlimited_width()
{
var area = new Rectangle(5, 5, 100, 100);
var box = new VBox
{
Height = 100
};
var c1 = new FixedMeasureComponent(100, 20)
{
Height = SizeUnit.Unlimited
};
var c2 = new Component {
Width = 100, Height = 25
};
var c3 = new FixedMeasureComponent(100, 30)
{
Height = SizeUnit.Unlimited
};
box.AddComponent(c1);
box.AddComponent(c2);
box.AddComponent(c3);
box.Measure(area.Size, TestRendererContext.Instance);
box.Arrange(area);
c1.Layout.ShouldBe(new Rectangle(5, 5, 100, 20 + 12));
c2.Layout.ShouldBe(new Rectangle(new Point(area.Left, c1.Layout.Bottom), new Size(100, 25)));
c3.Layout.ShouldBe(new Rectangle(new Point(area.Left, c2.Layout.Bottom), new Size(100, 30 + 13)));
}
public void Measure_should_sum_height_and_take_biggest_width()
{
var box = new VBox();
box.AddComponent(new FixedMeasureComponent(22, 22));
box.AddComponent(new FixedMeasureComponent(11, 11));
box.AddComponent(new FixedMeasureComponent(33, 33));
box.Measure(new Size(100, 100), TestRendererContext.Instance);
box.DesiredSize.ShouldBe(new Size(33, 66));
}
public void Measure_should_pass_size_to_the_component_with_height_decreased_by_the_height_of_previous_ones_but_not_smaller_than_0()
{
var box = new VBox();
var c1 = new Mock <IComponent>().WithDesiredSize(new Size(10, 15));
var c2 = new Mock <IComponent>().WithDesiredSize(new Size(20, 20));
var c3 = new Mock <IComponent>().WithDesiredSize(new Size(20, 20));
box.AddComponent(c1.Object);
box.AddComponent(c2.Object);
box.AddComponent(c3.Object);
box.Measure(new Size(100, 30), TestRendererContext.Instance);
c1.Verify(x => x.Measure(new Size(100, 30), TestRendererContext.Instance));
c2.Verify(x => x.Measure(new Size(100, 15), TestRendererContext.Instance));
c3.Verify(x => x.Measure(new Size(100, 0), TestRendererContext.Instance));
}