tawasuyu/taffy

1#[test]
2fn justify_content_column_min_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                min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(50f32) },
22                margin: taffy::geometry::Rect {
23                    left: zero(),
24                    right: zero(),
25                    top: taffy::style::LengthPercentageAuto::Points(100f32),
26                    bottom: zero(),
27                },
28                ..Default::default()
29            },
30            &[node00],
31        )
32        .unwrap();
33    let node = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node0]).unwrap();
34    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
35    println!("\nComputed tree:");
36    taffy::debug::print_tree(&taffy, node);
37    println!();
38    let Layout { size, location, .. } = taffy.layout(node).unwrap();
39    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 20f32, size.width);
40    assert_eq!(size.height, 150f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 150f32, size.height);
41    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
42    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
43    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
44    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.width);
45    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.height);
46    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
47    assert_eq!(location.y, 100f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, location.y);
48    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
49    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 20f32, size.width);
50    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 20f32, size.height);
51    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
52    assert_eq!(location.y, 15f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 15f32, location.y);
53}