tawasuyu/taffy

1#[test]
2fn grid_margins_percent_center() {
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            align_self: Some(taffy::style::AlignSelf::Center),
10            justify_self: Some(taffy::style::JustifySelf::Center),
11            size: taffy::geometry::Size {
12                width: taffy::style::Dimension::Points(20f32),
13                height: taffy::style::Dimension::Points(20f32),
14            },
15            margin: taffy::geometry::Rect {
16                left: taffy::style::LengthPercentageAuto::Percent(0.2f32),
17                right: taffy::style::LengthPercentageAuto::Percent(0.1f32),
18                top: taffy::style::LengthPercentageAuto::Percent(0.05f32),
19                bottom: taffy::style::LengthPercentageAuto::Percent(0.15f32),
20            },
21            ..Default::default()
22        })
23        .unwrap();
24    let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
25    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
26    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
27    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
28    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
29    let node = taffy
30        .new_with_children(
31            taffy::style::Style {
32                display: taffy::style::Display::Grid,
33                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
34                grid_template_columns: vec![points(20f32), points(20f32), points(20f32)],
35                ..Default::default()
36            },
37            &[node0, node1, node2, node3, node4, node5],
38        )
39        .unwrap();
40    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
41    println!("\nComputed tree:");
42    taffy::debug::print_tree(&taffy, node);
43    println!();
44    let Layout { size, location, .. } = taffy.layout(node).unwrap();
45    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 60f32, size.width);
46    assert_eq!(size.height, 120f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.height);
47    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
48    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
49    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
50    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.width);
51    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.height);
52    assert_eq!(location.x, 1f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 1f32, location.x);
53    assert_eq!(location.y, 9f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 9f32, location.y);
54    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
55    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, size.width);
56    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.height);
57    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, location.x);
58    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
59    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
60    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 20f32, size.width);
61    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
62    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, location.x);
63    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
64    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
65    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 20f32, size.width);
66    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
67    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 0f32, location.x);
68    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.y);
69    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
70    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 20f32, size.width);
71    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.height);
72    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 20f32, location.x);
73    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, location.y);
74    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
75    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 20f32, size.width);
76    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
77    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, location.x);
78    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, location.y);
79}