tawasuyu/taffy

1#[test]
2fn block_margin_y_sibling_collapse_positive() {
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: auto(), height: taffy::style::Dimension::Length(10f32) },
9            margin: taffy::geometry::Rect {
10                left: zero(),
11                right: zero(),
12                top: taffy::style::LengthPercentageAuto::Length(10f32),
13                bottom: taffy::style::LengthPercentageAuto::Length(10f32),
14            },
15            ..Default::default()
16        })
17        .unwrap();
18    let node1 = taffy
19        .new_leaf(taffy::style::Style {
20            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(10f32) },
21            margin: taffy::geometry::Rect {
22                left: zero(),
23                right: zero(),
24                top: taffy::style::LengthPercentageAuto::Length(10f32),
25                bottom: taffy::style::LengthPercentageAuto::Length(10f32),
26            },
27            ..Default::default()
28        })
29        .unwrap();
30    let node2 = taffy
31        .new_leaf(taffy::style::Style {
32            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(10f32) },
33            margin: taffy::geometry::Rect {
34                left: zero(),
35                right: zero(),
36                top: taffy::style::LengthPercentageAuto::Length(5f32),
37                bottom: taffy::style::LengthPercentageAuto::Length(5f32),
38            },
39            ..Default::default()
40        })
41        .unwrap();
42    let node3 = taffy
43        .new_leaf(taffy::style::Style {
44            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(10f32) },
45            margin: taffy::geometry::Rect {
46                left: zero(),
47                right: zero(),
48                top: taffy::style::LengthPercentageAuto::Length(10f32),
49                bottom: taffy::style::LengthPercentageAuto::Length(10f32),
50            },
51            ..Default::default()
52        })
53        .unwrap();
54    let node = taffy
55        .new_with_children(
56            taffy::style::Style {
57                display: taffy::style::Display::Block,
58                size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
59                ..Default::default()
60            },
61            &[node0, node1, node2, node3],
62        )
63        .unwrap();
64    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
65    println!("\nComputed tree:");
66    taffy::util::print_tree(&taffy, node);
67    println!();
68    let Layout { size, location, .. } = taffy.layout(node).unwrap();
69    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node, 50f32, size.width);
70    assert_eq!(size.height, 90f32, "height of node {:?}. Expected {}. Actual {}", node, 90f32, size.height);
71    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
72    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
73    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
74    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
75    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0, 10f32, size.height);
76    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
77    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node0, 10f32, location.y);
78    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
79    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
80    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node1, 10f32, size.height);
81    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
82    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node1, 30f32, location.y);
83    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
84    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node2, 50f32, size.width);
85    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node2, 10f32, size.height);
86    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node2, 0f32, location.x);
87    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node2, 50f32, location.y);
88    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
89    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node3, 50f32, size.width);
90    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node3, 10f32, size.height);
91    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3, 0f32, location.x);
92    assert_eq!(location.y, 70f32, "y of node {:?}. Expected {}. Actual {}", node3, 70f32, location.y);
93}