tawasuyu/taffy

1#[test]
2fn absolute_layout_no_size() {
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 { position: taffy::style::Position::Absolute, ..Default::default() })
9        .unwrap();
10    let node = taffy
11        .new_with_children(
12            taffy::style::Style {
13                size: taffy::geometry::Size {
14                    width: taffy::style::Dimension::Points(100f32),
15                    height: taffy::style::Dimension::Points(100f32),
16                },
17                ..Default::default()
18            },
19            &[node0],
20        )
21        .unwrap();
22    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
23    println!("\nComputed tree:");
24    taffy::debug::print_tree(&taffy, node);
25    println!();
26    let Layout { size, location, .. } = taffy.layout(node).unwrap();
27    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
28    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
29    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
30    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
31    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
32    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, size.width);
33    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, size.height);
34    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
35    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
36}