tawasuyu/taffy

1#[test]
2fn size_defined_by_child() {
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            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Points(100f32),
11                height: taffy::style::Dimension::Points(100f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node0]).unwrap();
17    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
18    println!("\nComputed tree:");
19    taffy::debug::print_tree(&taffy, node);
20    println!();
21    let Layout { size, location, .. } = taffy.layout(node).unwrap();
22    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
23    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
24    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
25    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
26    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
27    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
28    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.height);
29    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
30    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
31}