tawasuyu/taffy

1#[test]
2fn grid_percent_tracks_definite_overflow() {
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.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
8    let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
9    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
10    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
11    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
12    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
13    let node = taffy
14        .new_with_children(
15            taffy::style::Style {
16                display: taffy::style::Display::Grid,
17                grid_template_rows: vec![percent(0.5f32), percent(0.8f32)],
18                grid_template_columns: vec![percent(0.4f32), percent(0.4f32), percent(0.4f32)],
19                size: taffy::geometry::Size {
20                    width: taffy::style::Dimension::Points(120f32),
21                    height: taffy::style::Dimension::Points(60f32),
22                },
23                ..Default::default()
24            },
25            &[node0, node1, node2, node3, node4, node5],
26        )
27        .unwrap();
28    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
29    println!("\nComputed tree:");
30    taffy::debug::print_tree(&taffy, node);
31    println!();
32    let Layout { size, location, .. } = taffy.layout(node).unwrap();
33    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.width);
34    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 60f32, size.height);
35    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
36    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
37    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
38    assert_eq!(size.width, 48f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 48f32, size.width);
39    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 30f32, size.height);
40    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
41    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
42    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
43    assert_eq!(size.width, 48f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 48f32, size.width);
44    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 30f32, size.height);
45    assert_eq!(location.x, 48f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 48f32, location.x);
46    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
47    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
48    assert_eq!(size.width, 48f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 48f32, size.width);
49    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 30f32, size.height);
50    assert_eq!(location.x, 96f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 96f32, location.x);
51    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
52    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
53    assert_eq!(size.width, 48f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 48f32, size.width);
54    assert_eq!(size.height, 48f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 48f32, size.height);
55    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 0f32, location.x);
56    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 30f32, location.y);
57    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
58    assert_eq!(size.width, 48f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 48f32, size.width);
59    assert_eq!(size.height, 48f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 48f32, size.height);
60    assert_eq!(location.x, 48f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 48f32, location.x);
61    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 30f32, location.y);
62    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
63    assert_eq!(size.width, 48f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 48f32, size.width);
64    assert_eq!(size.height, 48f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 48f32, size.height);
65    assert_eq!(location.x, 96f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 96f32, location.x);
66    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 30f32, location.y);
67}