tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn aspect_ratio_flex_column_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                flex_direction: taffy::style::FlexDirection::Column,
19                align_items: Some(taffy::style::AlignItems::Start),
20                size: taffy::geometry::Size {
21                    width: taffy::style::Dimension::from_length(100f32),
22                    height: taffy::style::Dimension::from_length(100f32),
23                },
24                ..Default::default()
25            },
26            &[node0],
27        )
28        .unwrap();
29    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
30    println!("\nComputed tree:");
31    taffy.print_tree(node);
32    println!();
33    let layout = taffy.layout(node).unwrap();
34    let Layout { size, location, .. } = layout;
35    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
36    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
37    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
38    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
39    let layout = taffy.layout(node0).unwrap();
40    let Layout { size, location, .. } = layout;
41    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node0, 80f32, size.width);
42    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
43    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
44    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
45}
46
47#[test]
48#[allow(non_snake_case)]
49fn aspect_ratio_flex_column_fill_width__content_box() {
50    #[allow(unused_imports)]
51    use taffy::{prelude::*, Layout};
52    let mut taffy = crate::new_test_tree();
53    let node0 = taffy
54        .new_leaf(taffy::style::Style {
55            box_sizing: taffy::style::BoxSizing::ContentBox,
56            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(40f32) },
57            aspect_ratio: Some(2f32),
58            ..Default::default()
59        })
60        .unwrap();
61    let node = taffy
62        .new_with_children(
63            taffy::style::Style {
64                display: taffy::style::Display::Flex,
65                box_sizing: taffy::style::BoxSizing::ContentBox,
66                flex_direction: taffy::style::FlexDirection::Column,
67                align_items: Some(taffy::style::AlignItems::Start),
68                size: taffy::geometry::Size {
69                    width: taffy::style::Dimension::from_length(100f32),
70                    height: taffy::style::Dimension::from_length(100f32),
71                },
72                ..Default::default()
73            },
74            &[node0],
75        )
76        .unwrap();
77    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
78    println!("\nComputed tree:");
79    taffy.print_tree(node);
80    println!();
81    let layout = taffy.layout(node).unwrap();
82    let Layout { size, location, .. } = layout;
83    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
84    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
85    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
86    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
87    let layout = taffy.layout(node0).unwrap();
88    let Layout { size, location, .. } = layout;
89    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node0, 80f32, size.width);
90    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
91    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
92    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
93}