tawasuyu/taffy

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