tawasuyu/taffy

1#[test]
2fn rounding_total_fractial_nested() {
3    let mut taffy = taffy::Taffy::new();
4    let node00 = taffy
5        .new_with_children(
6            taffy::style::Style {
7                flex_grow: 1f32,
8                flex_basis: taffy::style::Dimension::Points(0.3f32),
9                size: taffy::geometry::Size { height: taffy::style::Dimension::Points(9.9f32), ..Default::default() },
10                position: taffy::geometry::Rect {
11                    bottom: taffy::style::Dimension::Points(13.3f32),
12                    ..Default::default()
13                },
14                ..Default::default()
15            },
16            &[],
17        )
18        .unwrap();
19    let node01 = taffy
20        .new_with_children(
21            taffy::style::Style {
22                flex_grow: 4f32,
23                flex_basis: taffy::style::Dimension::Points(0.3f32),
24                size: taffy::geometry::Size { height: taffy::style::Dimension::Points(1.1f32), ..Default::default() },
25                position: taffy::geometry::Rect { top: taffy::style::Dimension::Points(13.3f32), ..Default::default() },
26                ..Default::default()
27            },
28            &[],
29        )
30        .unwrap();
31    let node0 = taffy
32        .new_with_children(
33            taffy::style::Style {
34                flex_direction: taffy::style::FlexDirection::Column,
35                flex_grow: 0.7f32,
36                flex_basis: taffy::style::Dimension::Points(50.3f32),
37                size: taffy::geometry::Size { height: taffy::style::Dimension::Points(20.3f32), ..Default::default() },
38                ..Default::default()
39            },
40            &[node00, node01],
41        )
42        .unwrap();
43    let node1 = taffy
44        .new_with_children(
45            taffy::style::Style {
46                flex_grow: 1.6f32,
47                size: taffy::geometry::Size { height: taffy::style::Dimension::Points(10f32), ..Default::default() },
48                ..Default::default()
49            },
50            &[],
51        )
52        .unwrap();
53    let node2 = taffy
54        .new_with_children(
55            taffy::style::Style {
56                flex_grow: 1.1f32,
57                size: taffy::geometry::Size { height: taffy::style::Dimension::Points(10.7f32), ..Default::default() },
58                ..Default::default()
59            },
60            &[],
61        )
62        .unwrap();
63    let node = taffy
64        .new_with_children(
65            taffy::style::Style {
66                flex_direction: taffy::style::FlexDirection::Column,
67                size: taffy::geometry::Size {
68                    width: taffy::style::Dimension::Points(87.4f32),
69                    height: taffy::style::Dimension::Points(113.4f32),
70                    ..Default::default()
71                },
72                ..Default::default()
73            },
74            &[node0, node1, node2],
75        )
76        .unwrap();
77    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
78    assert_eq!(taffy.layout(node).unwrap().size.width, 87f32);
79    assert_eq!(taffy.layout(node).unwrap().size.height, 113f32);
80    assert_eq!(taffy.layout(node).unwrap().location.x, 0f32);
81    assert_eq!(taffy.layout(node).unwrap().location.y, 0f32);
82    assert_eq!(taffy.layout(node0).unwrap().size.width, 87f32);
83    assert_eq!(taffy.layout(node0).unwrap().size.height, 59f32);
84    assert_eq!(taffy.layout(node0).unwrap().location.x, 0f32);
85    assert_eq!(taffy.layout(node0).unwrap().location.y, 0f32);
86    assert_eq!(taffy.layout(node00).unwrap().size.width, 87f32);
87    assert_eq!(taffy.layout(node00).unwrap().size.height, 12f32);
88    assert_eq!(taffy.layout(node00).unwrap().location.x, 0f32);
89    assert_eq!(taffy.layout(node00).unwrap().location.y, -13f32);
90    assert_eq!(taffy.layout(node01).unwrap().size.width, 87f32);
91    assert_eq!(taffy.layout(node01).unwrap().size.height, 47f32);
92    assert_eq!(taffy.layout(node01).unwrap().location.x, 0f32);
93    assert_eq!(taffy.layout(node01).unwrap().location.y, 25f32);
94    assert_eq!(taffy.layout(node1).unwrap().size.width, 87f32);
95    assert_eq!(taffy.layout(node1).unwrap().size.height, 30f32);
96    assert_eq!(taffy.layout(node1).unwrap().location.x, 0f32);
97    assert_eq!(taffy.layout(node1).unwrap().location.y, 59f32);
98    assert_eq!(taffy.layout(node2).unwrap().size.width, 87f32);
99    assert_eq!(taffy.layout(node2).unwrap().size.height, 24f32);
100    assert_eq!(taffy.layout(node2).unwrap().location.x, 0f32);
101    assert_eq!(taffy.layout(node2).unwrap().location.y, 89f32);
102}