tawasuyu/taffy

1#[test]
2fn align_content_stretch_row_with_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 node0 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(50f32), height: auto() },
10            ..Default::default()
11        })
12        .unwrap();
13    let node1 = taffy
14        .new_leaf(taffy::style::Style {
15            size: taffy::geometry::Size {
16                width: taffy::style::Dimension::Points(50f32),
17                height: taffy::style::Dimension::Points(60f32),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node2 = taffy
23        .new_leaf(taffy::style::Style {
24            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(50f32), height: auto() },
25            ..Default::default()
26        })
27        .unwrap();
28    let node3 = taffy
29        .new_leaf(taffy::style::Style {
30            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(50f32), height: auto() },
31            ..Default::default()
32        })
33        .unwrap();
34    let node4 = taffy
35        .new_leaf(taffy::style::Style {
36            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(50f32), height: auto() },
37            ..Default::default()
38        })
39        .unwrap();
40    let node = taffy
41        .new_with_children(
42            taffy::style::Style {
43                flex_wrap: taffy::style::FlexWrap::Wrap,
44                align_content: Some(taffy::style::AlignContent::Stretch),
45                size: taffy::geometry::Size {
46                    width: taffy::style::Dimension::Points(150f32),
47                    height: taffy::style::Dimension::Points(100f32),
48                },
49                ..Default::default()
50            },
51            &[node0, node1, node2, node3, node4],
52        )
53        .unwrap();
54    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
55    println!("\nComputed tree:");
56    taffy::debug::print_tree(&taffy, node);
57    println!();
58    let Layout { size, location, .. } = taffy.layout(node).unwrap();
59    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 150f32, size.width);
60    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
61    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
62    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
63    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
64    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.width);
65    assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 80f32, size.height);
66    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
67    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
68    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
69    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 50f32, size.width);
70    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 60f32, size.height);
71    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 50f32, location.x);
72    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
73    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
74    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 50f32, size.width);
75    assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 80f32, size.height);
76    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 100f32, location.x);
77    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
78    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
79    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 50f32, size.width);
80    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 20f32, size.height);
81    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 0f32, location.x);
82    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 80f32, location.y);
83    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
84    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 50f32, size.width);
85    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 20f32, size.height);
86    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 50f32, location.x);
87    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 80f32, location.y);
88}