tawasuyu/taffy

1#[test]
2fn nested_overflowing_child_in_constraint_parent() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Points(200f32),
11                height: taffy::style::Dimension::Points(200f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node0 = taffy
17        .new_with_children(
18            taffy::style::Style {
19                size: taffy::geometry::Size {
20                    width: taffy::style::Dimension::Points(100f32),
21                    height: taffy::style::Dimension::Points(100f32),
22                },
23                ..Default::default()
24            },
25            &[node00],
26        )
27        .unwrap();
28    let node = taffy
29        .new_with_children(
30            taffy::style::Style {
31                size: taffy::geometry::Size {
32                    width: taffy::style::Dimension::Points(100f32),
33                    height: taffy::style::Dimension::Points(100f32),
34                },
35                ..Default::default()
36            },
37            &[node0],
38        )
39        .unwrap();
40    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
41    println!("\nComputed tree:");
42    taffy::debug::print_tree(&taffy, node);
43    println!();
44    let Layout { size, location, .. } = taffy.layout(node).unwrap();
45    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
46    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
47    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
48    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
49    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
50    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
51    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
54    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
55    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 100f32, size.width);
56    assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 200f32, size.height);
57    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
58    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
59}