tawasuyu/taffy

1#[test]
2fn percent_within_flex_grow() {
3    let mut stretch = stretch2::Stretch::new();
4    let node0 = stretch
5        .new_node(
6            stretch2::style::Style {
7                size: stretch2::geometry::Size {
8                    width: stretch2::style::Dimension::Points(100f32),
9                    ..Default::default()
10                },
11                ..Default::default()
12            },
13            &[],
14        )
15        .unwrap();
16    let node10 = stretch
17        .new_node(
18            stretch2::style::Style {
19                size: stretch2::geometry::Size {
20                    width: stretch2::style::Dimension::Percent(1f32),
21                    ..Default::default()
22                },
23                ..Default::default()
24            },
25            &[],
26        )
27        .unwrap();
28    let node1 = stretch
29        .new_node(
30            stretch2::style::Style {
31                flex_direction: stretch2::style::FlexDirection::Column,
32                flex_grow: 1f32,
33                ..Default::default()
34            },
35            &[node10],
36        )
37        .unwrap();
38    let node2 = stretch
39        .new_node(
40            stretch2::style::Style {
41                size: stretch2::geometry::Size {
42                    width: stretch2::style::Dimension::Points(100f32),
43                    ..Default::default()
44                },
45                ..Default::default()
46            },
47            &[],
48        )
49        .unwrap();
50    let node = stretch
51        .new_node(
52            stretch2::style::Style {
53                size: stretch2::geometry::Size {
54                    width: stretch2::style::Dimension::Points(350f32),
55                    height: stretch2::style::Dimension::Points(100f32),
56                    ..Default::default()
57                },
58                ..Default::default()
59            },
60            &[node0, node1, node2],
61        )
62        .unwrap();
63    stretch.compute_layout(node, stretch2::geometry::Size::undefined()).unwrap();
64    assert_eq!(stretch.layout(node).unwrap().size.width, 350f32);
65    assert_eq!(stretch.layout(node).unwrap().size.height, 100f32);
66    assert_eq!(stretch.layout(node).unwrap().location.x, 0f32);
67    assert_eq!(stretch.layout(node).unwrap().location.y, 0f32);
68    assert_eq!(stretch.layout(node0).unwrap().size.width, 100f32);
69    assert_eq!(stretch.layout(node0).unwrap().size.height, 100f32);
70    assert_eq!(stretch.layout(node0).unwrap().location.x, 0f32);
71    assert_eq!(stretch.layout(node0).unwrap().location.y, 0f32);
72    assert_eq!(stretch.layout(node1).unwrap().size.width, 150f32);
73    assert_eq!(stretch.layout(node1).unwrap().size.height, 100f32);
74    assert_eq!(stretch.layout(node1).unwrap().location.x, 100f32);
75    assert_eq!(stretch.layout(node1).unwrap().location.y, 0f32);
76    assert_eq!(stretch.layout(node10).unwrap().size.width, 150f32);
77    assert_eq!(stretch.layout(node10).unwrap().size.height, 0f32);
78    assert_eq!(stretch.layout(node10).unwrap().location.x, 0f32);
79    assert_eq!(stretch.layout(node10).unwrap().location.y, 0f32);
80    assert_eq!(stretch.layout(node2).unwrap().size.width, 100f32);
81    assert_eq!(stretch.layout(node2).unwrap().size.height, 100f32);
82    assert_eq!(stretch.layout(node2).unwrap().location.x, 250f32);
83    assert_eq!(stretch.layout(node2).unwrap().location.y, 0f32);
84}