tawasuyu/taffy

1#[test]
2fn justify_content_column_max_height_and_margin() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Points(20f32),
11                height: taffy::style::Dimension::Points(20f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node0 = taffy
17        .new_with_children(
18            taffy::style::Style {
19                flex_direction: taffy::style::FlexDirection::Column,
20                justify_content: Some(taffy::style::JustifyContent::Center),
21                size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(100f32) },
22                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(80f32) },
23                margin: taffy::geometry::Rect {
24                    left: zero(),
25                    right: zero(),
26                    top: taffy::style::LengthPercentageAuto::Points(100f32),
27                    bottom: zero(),
28                },
29                ..Default::default()
30            },
31            &[node00],
32        )
33        .unwrap();
34    let node = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node0]).unwrap();
35    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
36    println!("\nComputed tree:");
37    taffy::debug::print_tree(&taffy, node);
38    println!();
39    let Layout { size, location, .. } = taffy.layout(node).unwrap();
40    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 20f32, size.width);
41    assert_eq!(size.height, 180f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 180f32, size.height);
42    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
43    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
44    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
45    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.width);
46    assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 80f32, size.height);
47    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
48    assert_eq!(location.y, 100f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, location.y);
49    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
50    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 20f32, size.width);
51    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 20f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
53    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 30f32, location.y);
54}