tawasuyu/taffy

1#[test]
2fn align_items_center_with_child_margin() {
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(10f32),
11                height: taffy::style::Dimension::Points(10f32),
12            },
13            margin: taffy::geometry::Rect {
14                left: zero(),
15                right: zero(),
16                top: taffy::style::LengthPercentageAuto::Points(10f32),
17                bottom: zero(),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node = taffy
23        .new_with_children(
24            taffy::style::Style {
25                align_items: Some(taffy::style::AlignItems::Center),
26                size: taffy::geometry::Size {
27                    width: taffy::style::Dimension::Points(100f32),
28                    height: taffy::style::Dimension::Points(100f32),
29                },
30                ..Default::default()
31            },
32            &[node0],
33        )
34        .unwrap();
35    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
36    println!("\nComputed tree:");
37    taffy::debug::print_tree(&taffy, node);
38    println!();
39    let Layout { size, location, .. } = taffy.layout(node).unwrap();
40    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
41    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
42    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
43    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
44    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
45    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.width);
46    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.height);
47    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
48    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, location.y);
49}