tawasuyu/taffy

1#[test]
2fn absolute_layout_align_items_center() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout};
5    let mut taffy = taffy::Taffy::new();
6    let node0 = taffy
7        .new_leaf(taffy::style::Style {
8            position: taffy::style::Position::Absolute,
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Length(60f32),
11                height: taffy::style::Dimension::Length(40f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node = taffy
17        .new_with_children(
18            taffy::style::Style {
19                align_items: Some(taffy::style::AlignItems::Center),
20                size: taffy::geometry::Size {
21                    width: taffy::style::Dimension::Length(110f32),
22                    height: taffy::style::Dimension::Length(100f32),
23                },
24                ..Default::default()
25            },
26            &[node0],
27        )
28        .unwrap();
29    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
30    println!("\nComputed tree:");
31    taffy::util::print_tree(&taffy, node);
32    println!();
33    let Layout { size, location, .. } = taffy.layout(node).unwrap();
34    assert_eq!(size.width, 110f32, "width of node {:?}. Expected {}. Actual {}", node, 110f32, size.width);
35    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
36    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
37    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
38    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
39    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node0, 60f32, size.width);
40    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
41    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
42    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node0, 30f32, location.y);
43}