tawasuyu/taffy

1#[test]
2fn rounding_flex_basis_flex_shrink_row() {
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_shrink: 1f32,
10            flex_basis: taffy::style::Dimension::Points(100f32),
11            ..Default::default()
12        })
13        .unwrap();
14    let node1 = taffy
15        .new_leaf(taffy::style::Style { flex_basis: taffy::style::Dimension::Points(25f32), ..Default::default() })
16        .unwrap();
17    let node2 = taffy
18        .new_leaf(taffy::style::Style { flex_basis: taffy::style::Dimension::Points(25f32), ..Default::default() })
19        .unwrap();
20    let node = taffy
21        .new_with_children(
22            taffy::style::Style {
23                size: taffy::geometry::Size {
24                    width: taffy::style::Dimension::Points(101f32),
25                    height: taffy::style::Dimension::Points(100f32),
26                },
27                ..Default::default()
28            },
29            &[node0, node1, node2],
30        )
31        .unwrap();
32    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
33    println!("\nComputed tree:");
34    taffy::debug::print_tree(&taffy, node);
35    println!();
36    let Layout { size, location, .. } = taffy.layout(node).unwrap();
37    assert_eq!(size.width, 101f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 101f32, size.width);
38    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
39    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
40    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
41    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
42    assert_eq!(size.width, 67f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 67f32, size.width);
43    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
46    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
47    assert_eq!(size.width, 17f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 17f32, size.width);
48    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 100f32, size.height);
49    assert_eq!(location.x, 67f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 67f32, location.x);
50    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
51    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
52    assert_eq!(size.width, 17f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 17f32, size.width);
53    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 100f32, size.height);
54    assert_eq!(location.x, 84f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 84f32, location.x);
55    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
56}