tawasuyu/taffy

1#[test]
2fn flex_grow_within_constrained_max_row() {
3    let mut stretch = stretch2::Stretch::new();
4    let node00 = stretch
5        .new_node(
6            stretch2::style::Style {
7                flex_shrink: 1f32,
8                flex_basis: stretch2::style::Dimension::Points(100f32),
9                ..Default::default()
10            },
11            &[],
12        )
13        .unwrap();
14    let node01 = stretch
15        .new_node(
16            stretch2::style::Style {
17                size: stretch2::geometry::Size {
18                    width: stretch2::style::Dimension::Points(50f32),
19                    ..Default::default()
20                },
21                ..Default::default()
22            },
23            &[],
24        )
25        .unwrap();
26    let node0 = stretch
27        .new_node(
28            stretch2::style::Style {
29                size: stretch2::geometry::Size {
30                    height: stretch2::style::Dimension::Points(100f32),
31                    ..Default::default()
32                },
33                max_size: stretch2::geometry::Size {
34                    width: stretch2::style::Dimension::Points(100f32),
35                    ..Default::default()
36                },
37                ..Default::default()
38            },
39            &[node00, node01],
40        )
41        .unwrap();
42    let node = stretch
43        .new_node(
44            stretch2::style::Style {
45                flex_direction: stretch2::style::FlexDirection::Column,
46                size: stretch2::geometry::Size {
47                    width: stretch2::style::Dimension::Points(200f32),
48                    ..Default::default()
49                },
50                ..Default::default()
51            },
52            &[node0],
53        )
54        .unwrap();
55    stretch.compute_layout(node, stretch2::geometry::Size::undefined()).unwrap();
56    assert_eq!(stretch.layout(node).unwrap().size.width, 200f32);
57    assert_eq!(stretch.layout(node).unwrap().size.height, 100f32);
58    assert_eq!(stretch.layout(node).unwrap().location.x, 0f32);
59    assert_eq!(stretch.layout(node).unwrap().location.y, 0f32);
60    assert_eq!(stretch.layout(node0).unwrap().size.width, 100f32);
61    assert_eq!(stretch.layout(node0).unwrap().size.height, 100f32);
62    assert_eq!(stretch.layout(node0).unwrap().location.x, 0f32);
63    assert_eq!(stretch.layout(node0).unwrap().location.y, 0f32);
64    assert_eq!(stretch.layout(node00).unwrap().size.width, 67f32);
65    assert_eq!(stretch.layout(node00).unwrap().size.height, 100f32);
66    assert_eq!(stretch.layout(node00).unwrap().location.x, 0f32);
67    assert_eq!(stretch.layout(node00).unwrap().location.y, 0f32);
68    assert_eq!(stretch.layout(node01).unwrap().size.width, 33f32);
69    assert_eq!(stretch.layout(node01).unwrap().size.height, 100f32);
70    assert_eq!(stretch.layout(node01).unwrap().location.x, 67f32);
71    assert_eq!(stretch.layout(node01).unwrap().location.y, 0f32);
72}