tawasuyu/taffy

1#[test]
2fn flex_basis_flex_shrink_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 { flex_basis: taffy::style::Dimension::Points(100f32), ..Default::default() })
9        .unwrap();
10    let node1 = taffy
11        .new_leaf(taffy::style::Style { flex_basis: taffy::style::Dimension::Points(50f32), ..Default::default() })
12        .unwrap();
13    let node = taffy
14        .new_with_children(
15            taffy::style::Style {
16                flex_direction: taffy::style::FlexDirection::Column,
17                size: taffy::geometry::Size {
18                    width: taffy::style::Dimension::Points(100f32),
19                    height: taffy::style::Dimension::Points(100f32),
20                },
21                ..Default::default()
22            },
23            &[node0, node1],
24        )
25        .unwrap();
26    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
27    println!("\nComputed tree:");
28    taffy::debug::print_tree(&taffy, node);
29    println!();
30    let Layout { size, location, .. } = taffy.layout(node).unwrap();
31    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
32    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
33    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
34    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
35    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
36    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
37    assert_eq!(size.height, 67f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 67f32, size.height);
38    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
39    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
40    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
41    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 100f32, size.width);
42    assert_eq!(size.height, 33f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 33f32, size.height);
43    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
44    assert_eq!(location.y, 67f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 67f32, location.y);
45}