tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_grow_within_constrained_max_column__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            flex_shrink: 1f32,
10            flex_basis: taffy::style::Dimension::from_length(100f32),
11            ..Default::default()
12        })
13        .unwrap();
14    let node1 = taffy
15        .new_leaf(taffy::style::Style {
16            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(50f32) },
17            ..Default::default()
18        })
19        .unwrap();
20    let node = taffy
21        .new_with_children(
22            taffy::style::Style {
23                flex_direction: taffy::style::FlexDirection::Column,
24                size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(100f32), height: auto() },
25                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(100f32) },
26                ..Default::default()
27            },
28            &[node0, node1],
29        )
30        .unwrap();
31    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
32    println!("\nComputed tree:");
33    taffy.print_tree(node);
34    println!();
35    let layout = taffy.layout(node).unwrap();
36    let Layout { size, location, .. } = layout;
37    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
38    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
39    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
40    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
41    let layout = taffy.layout(node0).unwrap();
42    let Layout { size, location, .. } = layout;
43    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
44    assert_eq!(size.height, 67f32, "height of node {:?}. Expected {}. Actual {}", node0, 67f32, size.height);
45    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
46    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
47    let layout = taffy.layout(node1).unwrap();
48    let Layout { size, location, .. } = layout;
49    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node1, 100f32, size.width);
50    assert_eq!(size.height, 33f32, "height of node {:?}. Expected {}. Actual {}", node1, 33f32, size.height);
51    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
52    assert_eq!(location.y, 67f32, "y of node {:?}. Expected {}. Actual {}", node1, 67f32, location.y);
53}
54
55#[test]
56#[allow(non_snake_case)]
57fn flex_grow_within_constrained_max_column__content_box() {
58    #[allow(unused_imports)]
59    use taffy::{prelude::*, Layout};
60    let mut taffy = crate::new_test_tree();
61    let node0 = taffy
62        .new_leaf(taffy::style::Style {
63            box_sizing: taffy::style::BoxSizing::ContentBox,
64            flex_shrink: 1f32,
65            flex_basis: taffy::style::Dimension::from_length(100f32),
66            ..Default::default()
67        })
68        .unwrap();
69    let node1 = taffy
70        .new_leaf(taffy::style::Style {
71            box_sizing: taffy::style::BoxSizing::ContentBox,
72            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(50f32) },
73            ..Default::default()
74        })
75        .unwrap();
76    let node = taffy
77        .new_with_children(
78            taffy::style::Style {
79                box_sizing: taffy::style::BoxSizing::ContentBox,
80                flex_direction: taffy::style::FlexDirection::Column,
81                size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(100f32), height: auto() },
82                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(100f32) },
83                ..Default::default()
84            },
85            &[node0, node1],
86        )
87        .unwrap();
88    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
89    println!("\nComputed tree:");
90    taffy.print_tree(node);
91    println!();
92    let layout = taffy.layout(node).unwrap();
93    let Layout { size, location, .. } = layout;
94    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
95    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
96    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
97    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
98    let layout = taffy.layout(node0).unwrap();
99    let Layout { size, location, .. } = layout;
100    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
101    assert_eq!(size.height, 67f32, "height of node {:?}. Expected {}. Actual {}", node0, 67f32, size.height);
102    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
103    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
104    let layout = taffy.layout(node1).unwrap();
105    let Layout { size, location, .. } = layout;
106    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node1, 100f32, size.width);
107    assert_eq!(size.height, 33f32, "height of node {:?}. Expected {}. Actual {}", node1, 33f32, size.height);
108    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
109    assert_eq!(location.y, 67f32, "y of node {:?}. Expected {}. Actual {}", node1, 67f32, location.y);
110}