tawasuyu/taffy

1#[test]
2fn margin_should_not_be_part_of_max_height() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout};
5    let mut taffy = taffy::Taffy::new();
6    let node0 = taffy
7        .new_leaf(taffy::style::Style {
8            size: taffy::geometry::Size {
9                width: taffy::style::Dimension::Length(100f32),
10                height: taffy::style::Dimension::Length(100f32),
11            },
12            max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(100f32) },
13            margin: taffy::geometry::Rect {
14                left: zero(),
15                right: zero(),
16                top: taffy::style::LengthPercentageAuto::Length(20f32),
17                bottom: zero(),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node = taffy
23        .new_with_children(
24            taffy::style::Style {
25                size: taffy::geometry::Size {
26                    width: taffy::style::Dimension::Length(250f32),
27                    height: taffy::style::Dimension::Length(250f32),
28                },
29                ..Default::default()
30            },
31            &[node0],
32        )
33        .unwrap();
34    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
35    println!("\nComputed tree:");
36    taffy::util::print_tree(&taffy, node);
37    println!();
38    let Layout { size, location, .. } = taffy.layout(node).unwrap();
39    assert_eq!(size.width, 250f32, "width of node {:?}. Expected {}. Actual {}", node, 250f32, size.width);
40    assert_eq!(size.height, 250f32, "height of node {:?}. Expected {}. Actual {}", node, 250f32, size.height);
41    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
42    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
43    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
44    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
45    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
46    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
47    assert_eq!(location.y, 20f32, "y of node {:?}. Expected {}. Actual {}", node0, 20f32, location.y);
48}