tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn aspect_ratio_flex_row_fill_width__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, Layout};
6    let mut taffy = crate::new_test_tree();
7    let node0 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(40f32) },
10            aspect_ratio: Some(2f32),
11            ..Default::default()
12        })
13        .unwrap();
14    let node = taffy
15        .new_with_children(
16            taffy::style::Style {
17                display: taffy::style::Display::Flex,
18                align_items: Some(taffy::style::AlignItems::Start),
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, 80f32, "width of node {:?}. Expected {}. Actual {}", node0, 80f32, size.width);
41    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, 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}
45
46#[test]
47#[allow(non_snake_case)]
48fn aspect_ratio_flex_row_fill_width__content_box() {
49    #[allow(unused_imports)]
50    use taffy::{prelude::*, Layout};
51    let mut taffy = crate::new_test_tree();
52    let node0 = taffy
53        .new_leaf(taffy::style::Style {
54            box_sizing: taffy::style::BoxSizing::ContentBox,
55            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(40f32) },
56            aspect_ratio: Some(2f32),
57            ..Default::default()
58        })
59        .unwrap();
60    let node = taffy
61        .new_with_children(
62            taffy::style::Style {
63                display: taffy::style::Display::Flex,
64                box_sizing: taffy::style::BoxSizing::ContentBox,
65                align_items: Some(taffy::style::AlignItems::Start),
66                size: taffy::geometry::Size {
67                    width: taffy::style::Dimension::from_length(100f32),
68                    height: taffy::style::Dimension::from_length(100f32),
69                },
70                ..Default::default()
71            },
72            &[node0],
73        )
74        .unwrap();
75    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
76    println!("\nComputed tree:");
77    taffy.print_tree(node);
78    println!();
79    let layout = taffy.layout(node).unwrap();
80    let Layout { size, location, .. } = layout;
81    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
82    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
83    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
84    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
85    let layout = taffy.layout(node0).unwrap();
86    let Layout { size, location, .. } = layout;
87    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node0, 80f32, size.width);
88    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
89    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
90    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
91}