tawasuyu/taffy

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