tawasuyu/taffy

1#[test]
2fn wrapped_row_within_align_items_flex_start() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Points(150f32),
11                height: taffy::style::Dimension::Points(80f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node01 = taffy
17        .new_leaf(taffy::style::Style {
18            size: taffy::geometry::Size {
19                width: taffy::style::Dimension::Points(80f32),
20                height: taffy::style::Dimension::Points(80f32),
21            },
22            ..Default::default()
23        })
24        .unwrap();
25    let node0 = taffy
26        .new_with_children(
27            taffy::style::Style { flex_wrap: taffy::style::FlexWrap::Wrap, ..Default::default() },
28            &[node00, node01],
29        )
30        .unwrap();
31    let node = taffy
32        .new_with_children(
33            taffy::style::Style {
34                flex_direction: taffy::style::FlexDirection::Column,
35                align_items: Some(taffy::style::AlignItems::FlexStart),
36                size: taffy::geometry::Size {
37                    width: taffy::style::Dimension::Points(200f32),
38                    height: taffy::style::Dimension::Points(200f32),
39                },
40                ..Default::default()
41            },
42            &[node0],
43        )
44        .unwrap();
45    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
46    println!("\nComputed tree:");
47    taffy::debug::print_tree(&taffy, node);
48    println!();
49    let Layout { size, location, .. } = taffy.layout(node).unwrap();
50    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 200f32, size.width);
51    assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 200f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
54    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
55    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 200f32, size.width);
56    assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 160f32, size.height);
57    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
58    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
59    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
60    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 150f32, size.width);
61    assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 80f32, size.height);
62    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
63    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
64    let Layout { size, location, .. } = taffy.layout(node01).unwrap();
65    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node01.data(), 80f32, size.width);
66    assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node01.data(), 80f32, size.height);
67    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node01.data(), 0f32, location.x);
68    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node01.data(), 80f32, location.y);
69}