tawasuyu/taffy

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