tawasuyu/taffy

1#[test]
2fn align_baseline_child_margin() {
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 {
10                width: taffy::style::Dimension::Points(50f32),
11                height: taffy::style::Dimension::Points(50f32),
12            },
13            margin: taffy::geometry::Rect {
14                left: taffy::style::LengthPercentageAuto::Points(5f32),
15                right: taffy::style::LengthPercentageAuto::Points(5f32),
16                top: taffy::style::LengthPercentageAuto::Points(5f32),
17                bottom: taffy::style::LengthPercentageAuto::Points(5f32),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node10 = taffy
23        .new_leaf(taffy::style::Style {
24            size: taffy::geometry::Size {
25                width: taffy::style::Dimension::Points(50f32),
26                height: taffy::style::Dimension::Points(10f32),
27            },
28            margin: taffy::geometry::Rect {
29                left: taffy::style::LengthPercentageAuto::Points(5f32),
30                right: taffy::style::LengthPercentageAuto::Points(5f32),
31                top: taffy::style::LengthPercentageAuto::Points(5f32),
32                bottom: taffy::style::LengthPercentageAuto::Points(5f32),
33            },
34            ..Default::default()
35        })
36        .unwrap();
37    let node1 = taffy
38        .new_with_children(
39            taffy::style::Style {
40                flex_direction: taffy::style::FlexDirection::Column,
41                size: taffy::geometry::Size {
42                    width: taffy::style::Dimension::Points(50f32),
43                    height: taffy::style::Dimension::Points(20f32),
44                },
45                ..Default::default()
46            },
47            &[node10],
48        )
49        .unwrap();
50    let node = taffy
51        .new_with_children(
52            taffy::style::Style {
53                align_items: Some(taffy::style::AlignItems::Baseline),
54                size: taffy::geometry::Size {
55                    width: taffy::style::Dimension::Points(100f32),
56                    height: taffy::style::Dimension::Points(100f32),
57                },
58                ..Default::default()
59            },
60            &[node0, node1],
61        )
62        .unwrap();
63    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
64    println!("\nComputed tree:");
65    taffy::debug::print_tree(&taffy, node);
66    println!();
67    let Layout { size, location, .. } = taffy.layout(node).unwrap();
68    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
69    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
70    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
71    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
72    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
73    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
74    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.height);
75    assert_eq!(location.x, 5f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 5f32, location.x);
76    assert_eq!(location.y, 5f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 5f32, location.y);
77    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
78    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 50f32, size.width);
79    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, size.height);
80    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 50f32, location.x);
81    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, location.y);
82    let Layout { size, location, .. } = taffy.layout(node10).unwrap();
83    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node10.data(), 50f32, size.width);
84    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node10.data(), 10f32, size.height);
85    assert_eq!(location.x, 5f32, "x of node {:?}. Expected {}. Actual {}", node10.data(), 5f32, location.x);
86    assert_eq!(location.y, 5f32, "y of node {:?}. Expected {}. Actual {}", node10.data(), 5f32, location.y);
87}