public void Arrange_should_layout_items_honoring_their_desired_size()
{
var area = new Rectangle(5, 5, 100, 100);
var box = new HBox {
Width = 100
};
var c1 = new Component {
Width = 40, Height = 100
};
var c2 = new TestableComponent {
Width = SizeUnit.Unlimited, Height = 100, OnMeasureCallback = _ => new Size(50, 100)
};
var c3 = new Component {
Width = 40, Height = 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, 40, 100));
c2.Layout.ShouldBe(new Rectangle(45, 5, 50, 100));
c3.Layout.ShouldBe(new Rectangle(95, 5, 10, 100));
}
public void Arrange_should_layout_children_horizontally_passing_max_height_but_limiting_area_to_not_expand_over_the_bounding_box()
{
var area = new Rectangle(5, 5, 30, 100);
var box = new HBox();
var c1 = new Component {
Width = 15, Height = 90
};
var c2 = new Component {
Width = 20, Height = 110
};
var c3 = new Component {
Width = 20, Height = 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, 15, 90));
c2.Layout.ShouldBe(new Rectangle(5 + 15, 5, 15, 100));
c3.Layout.ShouldBe(new Rectangle(5 + 15 + 15, 5, 0, 100));
}
public void Arrange_should_distribute_remaining_width_between_components_with_unlimited_width()
{
var area = new Rectangle(5, 5, 100, 100);
var box = new HBox
{
Width = 100
};
var c1 = new FixedMeasureComponent(20, 100)
{
Width = SizeUnit.Unlimited
};
var c2 = new Component {
Width = 25, Height = 100
};
var c3 = new FixedMeasureComponent(30, 100)
{
Width = 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, 20 + 12, 100));
c2.Layout.ShouldBe(new Rectangle(new Point(c1.Layout.Right, area.Top), new Size(25, 100)));
c3.Layout.ShouldBe(new Rectangle(new Point(c2.Layout.Right, area.Top), new Size(30 + 13, 100)));
}
public void Measure_should_sum_width_and_take_biggest_height()
{
var box = new HBox();
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(66, 33));
}
public void Measure_should_pass_size_to_the_component_with_width_decreased_by_the_width_of_previous_ones_but_not_smaller_than_0()
{
var box = new HBox();
var c1 = new Mock <IComponent>().WithDesiredSize(new Size(15, 10));
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(30, 100), TestRendererContext.Instance);
c1.Verify(x => x.Measure(new Size(30, 100), TestRendererContext.Instance));
c2.Verify(x => x.Measure(new Size(15, 100), TestRendererContext.Instance));
c3.Verify(x => x.Measure(new Size(0, 100), TestRendererContext.Instance));
}