tawasuyu/taffy

1#[test]
2fn grid_absolute_row_start() {
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            grid_row: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
11            inset: taffy::geometry::Rect {
12                left: taffy::style::LengthPercentageAuto::Points(4f32),
13                right: taffy::style::LengthPercentageAuto::Points(3f32),
14                top: taffy::style::LengthPercentageAuto::Points(1f32),
15                bottom: taffy::style::LengthPercentageAuto::Points(2f32),
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                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
25                grid_template_columns: vec![points(40f32), points(40f32), points(40f32)],
26                padding: taffy::geometry::Rect {
27                    left: taffy::style::LengthPercentage::Points(40f32),
28                    right: taffy::style::LengthPercentage::Points(20f32),
29                    top: taffy::style::LengthPercentage::Points(10f32),
30                    bottom: taffy::style::LengthPercentage::Points(30f32),
31                },
32                ..Default::default()
33            },
34            &[node0],
35        )
36        .unwrap();
37    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
38    println!("\nComputed tree:");
39    taffy::debug::print_tree(&taffy, node);
40    println!();
41    let Layout { size, location, .. } = taffy.layout(node).unwrap();
42    assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 180f32, size.width);
43    assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 160f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
46    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
47    assert_eq!(size.width, 173f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 173f32, size.width);
48    assert_eq!(size.height, 147f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 147f32, size.height);
49    assert_eq!(location.x, 4f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 4f32, location.x);
50    assert_eq!(location.y, 11f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 11f32, location.y);
51}