tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_grow_within_constrained_min_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.new_leaf(taffy::style::Style { flex_grow: 1f32, ..Default::default() }).unwrap();
8    let node1 = taffy
9        .new_leaf(taffy::style::Style {
10            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(50f32) },
11            ..Default::default()
12        })
13        .unwrap();
14    let node = taffy
15        .new_with_children(
16            taffy::style::Style {
17                flex_direction: taffy::style::FlexDirection::Column,
18                min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(100f32) },
19                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(200f32) },
20                ..Default::default()
21            },
22            &[node0, node1],
23        )
24        .unwrap();
25    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
26    println!("\nComputed tree:");
27    taffy.print_tree(node);
28    println!();
29    let layout = taffy.layout(node).unwrap();
30    let Layout { size, location, .. } = layout;
31    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node, 0f32, size.width);
32    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
33    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
34    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
35    let layout = taffy.layout(node0).unwrap();
36    let Layout { size, location, .. } = layout;
37    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
38    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
39    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
40    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
41    let layout = taffy.layout(node1).unwrap();
42    let Layout { size, location, .. } = layout;
43    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node1, 0f32, size.width);
44    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
45    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
46    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node1, 50f32, location.y);
47}
48
49#[test]
50#[allow(non_snake_case)]
51fn flex_grow_within_constrained_min_max_column__content_box() {
52    #[allow(unused_imports)]
53    use taffy::{prelude::*, Layout};
54    let mut taffy = crate::new_test_tree();
55    let node0 = taffy
56        .new_leaf(taffy::style::Style {
57            box_sizing: taffy::style::BoxSizing::ContentBox,
58            flex_grow: 1f32,
59            ..Default::default()
60        })
61        .unwrap();
62    let node1 = taffy
63        .new_leaf(taffy::style::Style {
64            box_sizing: taffy::style::BoxSizing::ContentBox,
65            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(50f32) },
66            ..Default::default()
67        })
68        .unwrap();
69    let node = taffy
70        .new_with_children(
71            taffy::style::Style {
72                box_sizing: taffy::style::BoxSizing::ContentBox,
73                flex_direction: taffy::style::FlexDirection::Column,
74                min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(100f32) },
75                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(200f32) },
76                ..Default::default()
77            },
78            &[node0, node1],
79        )
80        .unwrap();
81    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
82    println!("\nComputed tree:");
83    taffy.print_tree(node);
84    println!();
85    let layout = taffy.layout(node).unwrap();
86    let Layout { size, location, .. } = layout;
87    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node, 0f32, size.width);
88    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
89    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
90    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
91    let layout = taffy.layout(node0).unwrap();
92    let Layout { size, location, .. } = layout;
93    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
94    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
95    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
96    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
97    let layout = taffy.layout(node1).unwrap();
98    let Layout { size, location, .. } = layout;
99    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node1, 0f32, size.width);
100    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
101    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
102    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node1, 50f32, location.y);
103}