tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_grow_in_at_most_container__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, Layout};
6    let mut taffy = crate::new_test_tree();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            flex_grow: 1f32,
10            flex_basis: taffy::style::Dimension::from_length(0f32),
11            ..Default::default()
12        })
13        .unwrap();
14    let node0 = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node00]).unwrap();
15    let node = taffy
16        .new_with_children(
17            taffy::style::Style {
18                align_items: Some(taffy::style::AlignItems::FlexStart),
19                size: taffy::geometry::Size {
20                    width: taffy::style::Dimension::from_length(100f32),
21                    height: taffy::style::Dimension::from_length(100f32),
22                },
23                ..Default::default()
24            },
25            &[node0],
26        )
27        .unwrap();
28    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
29    println!("\nComputed tree:");
30    taffy.print_tree(node);
31    println!();
32    let layout = taffy.layout(node).unwrap();
33    let Layout { size, location, .. } = layout;
34    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
35    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
36    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
37    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
38    let layout = taffy.layout(node0).unwrap();
39    let Layout { size, location, .. } = layout;
40    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
41    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node0, 0f32, size.height);
42    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
43    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
44    let layout = taffy.layout(node00).unwrap();
45    let Layout { size, location, .. } = layout;
46    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00, 0f32, size.width);
47    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node00, 0f32, size.height);
48    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
49    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
50}
51
52#[test]
53#[allow(non_snake_case)]
54fn flex_grow_in_at_most_container__content_box() {
55    #[allow(unused_imports)]
56    use taffy::{prelude::*, Layout};
57    let mut taffy = crate::new_test_tree();
58    let node00 = taffy
59        .new_leaf(taffy::style::Style {
60            box_sizing: taffy::style::BoxSizing::ContentBox,
61            flex_grow: 1f32,
62            flex_basis: taffy::style::Dimension::from_length(0f32),
63            ..Default::default()
64        })
65        .unwrap();
66    let node0 = taffy
67        .new_with_children(
68            taffy::style::Style { box_sizing: taffy::style::BoxSizing::ContentBox, ..Default::default() },
69            &[node00],
70        )
71        .unwrap();
72    let node = taffy
73        .new_with_children(
74            taffy::style::Style {
75                box_sizing: taffy::style::BoxSizing::ContentBox,
76                align_items: Some(taffy::style::AlignItems::FlexStart),
77                size: taffy::geometry::Size {
78                    width: taffy::style::Dimension::from_length(100f32),
79                    height: taffy::style::Dimension::from_length(100f32),
80                },
81                ..Default::default()
82            },
83            &[node0],
84        )
85        .unwrap();
86    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
87    println!("\nComputed tree:");
88    taffy.print_tree(node);
89    println!();
90    let layout = taffy.layout(node).unwrap();
91    let Layout { size, location, .. } = layout;
92    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
93    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
94    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
95    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
96    let layout = taffy.layout(node0).unwrap();
97    let Layout { size, location, .. } = layout;
98    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
99    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node0, 0f32, size.height);
100    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
101    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
102    let layout = taffy.layout(node00).unwrap();
103    let Layout { size, location, .. } = layout;
104    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00, 0f32, size.width);
105    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node00, 0f32, size.height);
106    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
107    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
108}