tawasuyu/taffy

1#[test]
2fn grid_align_items_sized_stretch() {
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            grid_row: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
10            grid_column: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
11            size: taffy::geometry::Size {
12                width: taffy::style::Dimension::Points(20f32),
13                height: taffy::style::Dimension::Points(20f32),
14            },
15            ..Default::default()
16        })
17        .unwrap();
18    let node1 = taffy
19        .new_leaf(taffy::style::Style {
20            grid_row: taffy::geometry::Line { start: line(3i16), end: taffy::style::GridPlacement::Auto },
21            grid_column: taffy::geometry::Line { start: line(3i16), end: taffy::style::GridPlacement::Auto },
22            size: taffy::geometry::Size {
23                width: taffy::style::Dimension::Points(60f32),
24                height: taffy::style::Dimension::Points(60f32),
25            },
26            ..Default::default()
27        })
28        .unwrap();
29    let node = taffy
30        .new_with_children(
31            taffy::style::Style {
32                display: taffy::style::Display::Grid,
33                align_items: Some(taffy::style::AlignItems::Stretch),
34                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
35                grid_template_columns: vec![points(40f32), points(40f32), points(40f32)],
36                size: taffy::geometry::Size {
37                    width: taffy::style::Dimension::Points(120f32),
38                    height: taffy::style::Dimension::Points(120f32),
39                },
40                ..Default::default()
41            },
42            &[node0, node1],
43        )
44        .unwrap();
45    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
46    println!("\nComputed tree:");
47    taffy::debug::print_tree(&taffy, node);
48    println!();
49    let Layout { size, location, .. } = taffy.layout(node).unwrap();
50    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.width);
51    assert_eq!(size.height, 120f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
54    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
55    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.width);
56    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.height);
57    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
58    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
59    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
60    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 60f32, size.width);
61    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 60f32, size.height);
62    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 80f32, location.x);
63    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 80f32, location.y);
64}