tawasuyu/taffy

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