tawasuyu/taffy

1#[test]
2fn min_height_with_nested_fixed_height() {
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(40f32),
11                height: taffy::style::Dimension::Points(40f32),
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                align_self: Some(taffy::style::AlignSelf::FlexStart),
21                flex_shrink: 0f32,
22                min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(28f32) },
23                margin: taffy::geometry::Rect {
24                    left: zero(),
25                    right: zero(),
26                    top: taffy::style::LengthPercentageAuto::Points(8f32),
27                    bottom: taffy::style::LengthPercentageAuto::Points(9f32),
28                },
29                ..Default::default()
30            },
31            &[node00],
32        )
33        .unwrap();
34    let node = taffy
35        .new_with_children(
36            taffy::style::Style {
37                size: taffy::geometry::Size { width: taffy::style::Dimension::Points(320f32), height: auto() },
38                min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(44f32) },
39                padding: taffy::geometry::Rect {
40                    left: taffy::style::LengthPercentage::Points(16f32),
41                    right: taffy::style::LengthPercentage::Points(16f32),
42                    top: zero(),
43                    bottom: zero(),
44                },
45                ..Default::default()
46            },
47            &[node0],
48        )
49        .unwrap();
50    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
51    println!("\nComputed tree:");
52    taffy::debug::print_tree(&taffy, node);
53    println!();
54    let Layout { size, location, .. } = taffy.layout(node).unwrap();
55    assert_eq!(size.width, 320f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 320f32, size.width);
56    assert_eq!(size.height, 57f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 57f32, size.height);
57    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
58    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
59    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
60    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
61    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
62    assert_eq!(location.x, 16f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 16f32, location.x);
63    assert_eq!(location.y, 8f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 8f32, location.y);
64    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
65    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 40f32, size.width);
66    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 40f32, size.height);
67    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
68    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
69}