tawasuyu/taffy

1#[test]
2fn gap_column_gap_flexible() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout};
5    let mut taffy = taffy::Taffy::new();
6    let node0 = taffy
7        .new_leaf(taffy::style::Style {
8            flex_grow: 1f32,
9            flex_shrink: 1f32,
10            flex_basis: taffy::style::Dimension::Percent(0f32),
11            ..Default::default()
12        })
13        .unwrap();
14    let node1 = taffy
15        .new_leaf(taffy::style::Style {
16            flex_grow: 1f32,
17            flex_shrink: 1f32,
18            flex_basis: taffy::style::Dimension::Percent(0f32),
19            ..Default::default()
20        })
21        .unwrap();
22    let node2 = taffy
23        .new_leaf(taffy::style::Style {
24            flex_grow: 1f32,
25            flex_shrink: 1f32,
26            flex_basis: taffy::style::Dimension::Percent(0f32),
27            ..Default::default()
28        })
29        .unwrap();
30    let node = taffy
31        .new_with_children(
32            taffy::style::Style {
33                gap: taffy::geometry::Size {
34                    width: taffy::style::LengthPercentage::Length(10f32),
35                    height: taffy::style::LengthPercentage::Length(20f32),
36                },
37                size: taffy::geometry::Size {
38                    width: taffy::style::Dimension::Length(80f32),
39                    height: taffy::style::Dimension::Length(100f32),
40                },
41                ..Default::default()
42            },
43            &[node0, node1, node2],
44        )
45        .unwrap();
46    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
47    println!("\nComputed tree:");
48    taffy::util::print_tree(&taffy, node);
49    println!();
50    let Layout { size, location, .. } = taffy.layout(node).unwrap();
51    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node, 80f32, size.width);
52    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
53    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
54    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
55    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
56    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0, 20f32, size.width);
57    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
58    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
59    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
60    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
61    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
62    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1, 100f32, size.height);
63    assert_eq!(location.x, 30f32, "x of node {:?}. Expected {}. Actual {}", node1, 30f32, location.x);
64    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
65    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
66    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node2, 20f32, size.width);
67    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node2, 100f32, size.height);
68    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node2, 60f32, location.x);
69    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
70}