tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_grow_shrink_at_most__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, Layout};
6    let mut taffy = crate::new_test_tree();
7    let node00 =
8        taffy.new_leaf(taffy::style::Style { flex_grow: 1f32, flex_shrink: 1f32, ..Default::default() }).unwrap();
9    let node0 = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node00]).unwrap();
10    let node = taffy
11        .new_with_children(
12            taffy::style::Style {
13                size: taffy::geometry::Size {
14                    width: taffy::style::Dimension::from_length(100f32),
15                    height: taffy::style::Dimension::from_length(100f32),
16                },
17                ..Default::default()
18            },
19            &[node0],
20        )
21        .unwrap();
22    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
23    println!("\nComputed tree:");
24    taffy.print_tree(node);
25    println!();
26    let layout = taffy.layout(node).unwrap();
27    let Layout { size, location, .. } = layout;
28    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
29    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
30    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
31    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
32    let layout = taffy.layout(node0).unwrap();
33    let Layout { size, location, .. } = layout;
34    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
35    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
36    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
37    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
38    let layout = taffy.layout(node00).unwrap();
39    let Layout { size, location, .. } = layout;
40    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00, 0f32, size.width);
41    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node00, 100f32, size.height);
42    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
43    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
44}
45
46#[test]
47#[allow(non_snake_case)]
48fn flex_grow_shrink_at_most__content_box() {
49    #[allow(unused_imports)]
50    use taffy::{prelude::*, Layout};
51    let mut taffy = crate::new_test_tree();
52    let node00 = taffy
53        .new_leaf(taffy::style::Style {
54            box_sizing: taffy::style::BoxSizing::ContentBox,
55            flex_grow: 1f32,
56            flex_shrink: 1f32,
57            ..Default::default()
58        })
59        .unwrap();
60    let node0 = taffy
61        .new_with_children(
62            taffy::style::Style { box_sizing: taffy::style::BoxSizing::ContentBox, ..Default::default() },
63            &[node00],
64        )
65        .unwrap();
66    let node = taffy
67        .new_with_children(
68            taffy::style::Style {
69                box_sizing: taffy::style::BoxSizing::ContentBox,
70                size: taffy::geometry::Size {
71                    width: taffy::style::Dimension::from_length(100f32),
72                    height: taffy::style::Dimension::from_length(100f32),
73                },
74                ..Default::default()
75            },
76            &[node0],
77        )
78        .unwrap();
79    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
80    println!("\nComputed tree:");
81    taffy.print_tree(node);
82    println!();
83    let layout = taffy.layout(node).unwrap();
84    let Layout { size, location, .. } = layout;
85    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
86    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
87    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
88    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
89    let layout = taffy.layout(node0).unwrap();
90    let Layout { size, location, .. } = layout;
91    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
92    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
93    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
94    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
95    let layout = taffy.layout(node00).unwrap();
96    let Layout { size, location, .. } = layout;
97    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00, 0f32, size.width);
98    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node00, 100f32, size.height);
99    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
100    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
101}