tawasuyu/taffy

1#[test]
2fn grid_aspect_ratio_absolute_fill_height_from_inset() {
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 {
9            position: taffy::style::Position::Absolute,
10            aspect_ratio: Some(3f32),
11            inset: taffy::geometry::Rect {
12                left: taffy::style::LengthPercentageAuto::Percent(0.1f32),
13                right: taffy::style::LengthPercentageAuto::Percent(0.1f32),
14                top: taffy::style::LengthPercentageAuto::Percent(0.05f32),
15                bottom: auto(),
16            },
17            ..Default::default()
18        })
19        .unwrap();
20    let node = taffy
21        .new_with_children(
22            taffy::style::Style {
23                display: taffy::style::Display::Grid,
24                size: taffy::geometry::Size {
25                    width: taffy::style::Dimension::Points(400f32),
26                    height: taffy::style::Dimension::Points(300f32),
27                },
28                ..Default::default()
29            },
30            &[node0],
31        )
32        .unwrap();
33    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
34    println!("\nComputed tree:");
35    taffy::debug::print_tree(&taffy, node);
36    println!();
37    let Layout { size, location, .. } = taffy.layout(node).unwrap();
38    assert_eq!(size.width, 400f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 400f32, size.width);
39    assert_eq!(size.height, 300f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 300f32, size.height);
40    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
41    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
42    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
43    assert_eq!(size.width, 320f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 320f32, size.width);
44    assert_eq!(size.height, 107f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 107f32, size.height);
45    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, location.x);
46    assert_eq!(location.y, 15f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 15f32, location.y);
47}