tawasuyu/taffy

1#[test]
2fn wrap_nodes_with_content_sizing_overflowing_margin() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node000 = 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 node00 = taffy
17        .new_with_children(
18            taffy::style::Style { flex_direction: taffy::style::FlexDirection::Column, ..Default::default() },
19            &[node000],
20        )
21        .unwrap();
22    let node010 = taffy
23        .new_leaf(taffy::style::Style {
24            size: taffy::geometry::Size {
25                width: taffy::style::Dimension::Points(40f32),
26                height: taffy::style::Dimension::Points(40f32),
27            },
28            ..Default::default()
29        })
30        .unwrap();
31    let node01 = taffy
32        .new_with_children(
33            taffy::style::Style {
34                flex_direction: taffy::style::FlexDirection::Column,
35                margin: taffy::geometry::Rect {
36                    left: zero(),
37                    right: taffy::style::LengthPercentageAuto::Points(10f32),
38                    top: zero(),
39                    bottom: zero(),
40                },
41                ..Default::default()
42            },
43            &[node010],
44        )
45        .unwrap();
46    let node0 = taffy
47        .new_with_children(
48            taffy::style::Style {
49                flex_wrap: taffy::style::FlexWrap::Wrap,
50                size: taffy::geometry::Size { width: taffy::style::Dimension::Points(85f32), height: auto() },
51                ..Default::default()
52            },
53            &[node00, node01],
54        )
55        .unwrap();
56    let node = taffy
57        .new_with_children(
58            taffy::style::Style {
59                flex_direction: taffy::style::FlexDirection::Column,
60                size: taffy::geometry::Size {
61                    width: taffy::style::Dimension::Points(500f32),
62                    height: taffy::style::Dimension::Points(500f32),
63                },
64                ..Default::default()
65            },
66            &[node0],
67        )
68        .unwrap();
69    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
70    println!("\nComputed tree:");
71    taffy::debug::print_tree(&taffy, node);
72    println!();
73    let Layout { size, location, .. } = taffy.layout(node).unwrap();
74    assert_eq!(size.width, 500f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 500f32, size.width);
75    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 500f32, size.height);
76    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
77    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
78    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
79    assert_eq!(size.width, 85f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 85f32, size.width);
80    assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 80f32, size.height);
81    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
82    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
83    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
84    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 40f32, size.width);
85    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 40f32, size.height);
86    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
87    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
88    let Layout { size, location, .. } = taffy.layout(node000).unwrap();
89    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node000.data(), 40f32, size.width);
90    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node000.data(), 40f32, size.height);
91    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node000.data(), 0f32, location.x);
92    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node000.data(), 0f32, location.y);
93    let Layout { size, location, .. } = taffy.layout(node01).unwrap();
94    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node01.data(), 40f32, size.width);
95    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node01.data(), 40f32, size.height);
96    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node01.data(), 0f32, location.x);
97    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node01.data(), 40f32, location.y);
98    let Layout { size, location, .. } = taffy.layout(node010).unwrap();
99    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node010.data(), 40f32, size.width);
100    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node010.data(), 40f32, size.height);
101    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node010.data(), 0f32, location.x);
102    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node010.data(), 0f32, location.y);
103}