tawasuyu/taffy

1#[test]
2fn percent_absolute_position() {
3    let mut taffy = taffy::Taffy::new();
4    let node00 = taffy
5        .new_with_children(
6            taffy::style::Style {
7                size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(1f32), ..Default::default() },
8                ..Default::default()
9            },
10            &[],
11        )
12        .unwrap();
13    let node01 = taffy
14        .new_with_children(
15            taffy::style::Style {
16                size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(1f32), ..Default::default() },
17                ..Default::default()
18            },
19            &[],
20        )
21        .unwrap();
22    let node0 = taffy
23        .new_with_children(
24            taffy::style::Style {
25                position_type: taffy::style::PositionType::Absolute,
26                size: taffy::geometry::Size {
27                    width: taffy::style::Dimension::Percent(1f32),
28                    height: taffy::style::Dimension::Points(50f32),
29                    ..Default::default()
30                },
31                position: taffy::geometry::Rect {
32                    left: taffy::style::Dimension::Percent(0.5f32),
33                    ..Default::default()
34                },
35                ..Default::default()
36            },
37            &[node00, node01],
38        )
39        .unwrap();
40    let node = taffy
41        .new_with_children(
42            taffy::style::Style {
43                flex_direction: taffy::style::FlexDirection::Column,
44                size: taffy::geometry::Size {
45                    width: taffy::style::Dimension::Points(60f32),
46                    height: taffy::style::Dimension::Points(50f32),
47                    ..Default::default()
48                },
49                ..Default::default()
50            },
51            &[node0],
52        )
53        .unwrap();
54    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
55    assert_eq!(taffy.layout(node).unwrap().size.width, 60f32);
56    assert_eq!(taffy.layout(node).unwrap().size.height, 50f32);
57    assert_eq!(taffy.layout(node).unwrap().location.x, 0f32);
58    assert_eq!(taffy.layout(node).unwrap().location.y, 0f32);
59    assert_eq!(taffy.layout(node0).unwrap().size.width, 60f32);
60    assert_eq!(taffy.layout(node0).unwrap().size.height, 50f32);
61    assert_eq!(taffy.layout(node0).unwrap().location.x, 30f32);
62    assert_eq!(taffy.layout(node0).unwrap().location.y, 0f32);
63    assert_eq!(taffy.layout(node00).unwrap().size.width, 30f32);
64    assert_eq!(taffy.layout(node00).unwrap().size.height, 50f32);
65    assert_eq!(taffy.layout(node00).unwrap().location.x, 0f32);
66    assert_eq!(taffy.layout(node00).unwrap().location.y, 0f32);
67    assert_eq!(taffy.layout(node01).unwrap().size.width, 30f32);
68    assert_eq!(taffy.layout(node01).unwrap().size.height, 50f32);
69    assert_eq!(taffy.layout(node01).unwrap().location.x, 30f32);
70    assert_eq!(taffy.layout(node01).unwrap().location.y, 0f32);
71}