tawasuyu/taffy

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