tawasuyu/taffy

1#[test]
2fn absolute_margin_bottom_left() {
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            position: taffy::style::Position::Absolute,
10            size: taffy::geometry::Size {
11                width: taffy::style::Dimension::Points(10f32),
12                height: taffy::style::Dimension::Points(10f32),
13            },
14            margin: taffy::geometry::Rect {
15                left: taffy::style::LengthPercentageAuto::Points(10f32),
16                right: zero(),
17                top: zero(),
18                bottom: taffy::style::LengthPercentageAuto::Points(10f32),
19            },
20            ..Default::default()
21        })
22        .unwrap();
23    let node = taffy
24        .new_with_children(
25            taffy::style::Style {
26                flex_direction: taffy::style::FlexDirection::Column,
27                justify_content: Some(taffy::style::JustifyContent::FlexEnd),
28                size: taffy::geometry::Size {
29                    width: taffy::style::Dimension::Points(100f32),
30                    height: taffy::style::Dimension::Points(100f32),
31                },
32                ..Default::default()
33            },
34            &[node0],
35        )
36        .unwrap();
37    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
38    println!("\nComputed tree:");
39    taffy::debug::print_tree(&taffy, node);
40    println!();
41    let Layout { size, location, .. } = taffy.layout(node).unwrap();
42    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
43    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
46    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
47    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.width);
48    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.height);
49    assert_eq!(location.x, 10f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, location.x);
50    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 80f32, location.y);
51}