tawasuyu/taffy

1#[test]
2fn align_flex_start_with_stretching_children() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node000 =
8        taffy.new_leaf(taffy::style::Style { flex_grow: 1f32, flex_shrink: 1f32, ..Default::default() }).unwrap();
9    let node00 = taffy
10        .new_with_children(taffy::style::Style { flex_grow: 1f32, flex_shrink: 1f32, ..Default::default() }, &[node000])
11        .unwrap();
12    let node0 = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node00]).unwrap();
13    let node = taffy
14        .new_with_children(
15            taffy::style::Style {
16                size: taffy::geometry::Size {
17                    width: taffy::style::Dimension::Points(500f32),
18                    height: taffy::style::Dimension::Points(500f32),
19                },
20                ..Default::default()
21            },
22            &[node0],
23        )
24        .unwrap();
25    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
26    println!("\nComputed tree:");
27    taffy::debug::print_tree(&taffy, node);
28    println!();
29    let Layout { size, location, .. } = taffy.layout(node).unwrap();
30    assert_eq!(size.width, 500f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 500f32, size.width);
31    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 500f32, size.height);
32    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
33    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
34    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
35    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, size.width);
36    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 500f32, size.height);
37    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
38    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
39    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
40    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, size.width);
41    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 500f32, size.height);
42    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
43    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
44    let Layout { size, location, .. } = taffy.layout(node000).unwrap();
45    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node000.data(), 0f32, size.width);
46    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node000.data(), 500f32, size.height);
47    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node000.data(), 0f32, location.x);
48    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node000.data(), 0f32, location.y);
49}