tawasuyu/taffy

1#[test]
2fn margin_with_sibling_column() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node0 = taffy
8        .new_leaf(taffy::style::Style {
9            flex_grow: 1f32,
10            margin: taffy::geometry::Rect {
11                left: zero(),
12                right: zero(),
13                top: zero(),
14                bottom: taffy::style::LengthPercentageAuto::Points(10f32),
15            },
16            ..Default::default()
17        })
18        .unwrap();
19    let node1 = taffy.new_leaf(taffy::style::Style { flex_grow: 1f32, ..Default::default() }).unwrap();
20    let node = taffy
21        .new_with_children(
22            taffy::style::Style {
23                flex_direction: taffy::style::FlexDirection::Column,
24                size: taffy::geometry::Size {
25                    width: taffy::style::Dimension::Points(100f32),
26                    height: taffy::style::Dimension::Points(100f32),
27                },
28                ..Default::default()
29            },
30            &[node0, node1],
31        )
32        .unwrap();
33    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
34    println!("\nComputed tree:");
35    taffy::debug::print_tree(&taffy, node);
36    println!();
37    let Layout { size, location, .. } = taffy.layout(node).unwrap();
38    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
39    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
40    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
41    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
42    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
43    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
44    assert_eq!(size.height, 45f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 45f32, size.height);
45    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
46    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
47    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
48    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 100f32, size.width);
49    assert_eq!(size.height, 45f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 45f32, size.height);
50    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
51    assert_eq!(location.y, 55f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 55f32, location.y);
52}