tawasuyu/taffy

1#[test]
2fn grid_percent_items_nested_with_margin() {
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 { width: taffy::style::Dimension::Percent(0.45f32), height: auto() },
10            margin: taffy::geometry::Rect {
11                left: taffy::style::LengthPercentageAuto::Percent(0.05f32),
12                right: taffy::style::LengthPercentageAuto::Percent(0.05f32),
13                top: taffy::style::LengthPercentageAuto::Percent(0.05f32),
14                bottom: taffy::style::LengthPercentageAuto::Percent(0.05f32),
15            },
16            ..Default::default()
17        })
18        .unwrap();
19    let node0 = taffy
20        .new_with_children(
21            taffy::style::Style {
22                display: taffy::style::Display::Grid,
23                size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(0.5f32), height: auto() },
24                ..Default::default()
25            },
26            &[node00],
27        )
28        .unwrap();
29    let node = taffy
30        .new_with_children(
31            taffy::style::Style {
32                display: taffy::style::Display::Grid,
33                size: taffy::geometry::Size { width: taffy::style::Dimension::Points(200f32), height: auto() },
34                ..Default::default()
35            },
36            &[node0],
37        )
38        .unwrap();
39    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
40    println!("\nComputed tree:");
41    taffy::debug::print_tree(&taffy, node);
42    println!();
43    let Layout { size, location, .. } = taffy.layout(node).unwrap();
44    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 200f32, size.width);
45    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 10f32, size.height);
46    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
47    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
48    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
49    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
50    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.height);
51    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
52    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
53    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
54    assert_eq!(size.width, 45f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 45f32, size.width);
55    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, size.height);
56    assert_eq!(location.x, 5f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 5f32, location.x);
57    assert_eq!(location.y, 5f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 5f32, location.y);
58}