tawasuyu/taffy

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