tawasuyu/taffy

1#[test]
2fn align_content_stretch_row_with_margin() {
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            margin: taffy::geometry::Rect {
16                left: taffy::style::LengthPercentageAuto::Length(10f32),
17                right: taffy::style::LengthPercentageAuto::Length(10f32),
18                top: taffy::style::LengthPercentageAuto::Length(10f32),
19                bottom: taffy::style::LengthPercentageAuto::Length(10f32),
20            },
21            ..Default::default()
22        })
23        .unwrap();
24    let node2 = 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 node3 = taffy
31        .new_leaf(taffy::style::Style {
32            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
33            margin: taffy::geometry::Rect {
34                left: taffy::style::LengthPercentageAuto::Length(10f32),
35                right: taffy::style::LengthPercentageAuto::Length(10f32),
36                top: taffy::style::LengthPercentageAuto::Length(10f32),
37                bottom: taffy::style::LengthPercentageAuto::Length(10f32),
38            },
39            ..Default::default()
40        })
41        .unwrap();
42    let node4 = taffy
43        .new_leaf(taffy::style::Style {
44            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
45            ..Default::default()
46        })
47        .unwrap();
48    let node = taffy
49        .new_with_children(
50            taffy::style::Style {
51                flex_wrap: taffy::style::FlexWrap::Wrap,
52                align_content: Some(taffy::style::AlignContent::Stretch),
53                size: taffy::geometry::Size {
54                    width: taffy::style::Dimension::Length(150f32),
55                    height: taffy::style::Dimension::Length(100f32),
56                },
57                ..Default::default()
58            },
59            &[node0, node1, node2, node3, node4],
60        )
61        .unwrap();
62    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
63    println!("\nComputed tree:");
64    taffy::util::print_tree(&taffy, node);
65    println!();
66    let Layout { size, location, .. } = taffy.layout(node).unwrap();
67    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node, 150f32, size.width);
68    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
69    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
70    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
71    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
72    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
73    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
74    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
75    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
76    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
77    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
78    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node1, 20f32, size.height);
79    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node1, 60f32, location.x);
80    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node1, 10f32, location.y);
81    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
82    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node2, 50f32, size.width);
83    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2, 40f32, size.height);
84    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node2, 0f32, location.x);
85    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node2, 40f32, location.y);
86    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
87    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node3, 50f32, size.width);
88    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node3, 20f32, size.height);
89    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node3, 60f32, location.x);
90    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node3, 50f32, location.y);
91    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
92    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node4, 50f32, size.width);
93    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node4, 20f32, size.height);
94    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node4, 0f32, location.x);
95    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node4, 80f32, location.y);
96}