tawasuyu/taffy

1#[test]
2fn absolute_child_with_max_height() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout};
5    let mut taffy = taffy::Taffy::new();
6    let node00 = taffy
7        .new_leaf(taffy::style::Style {
8            size: taffy::geometry::Size {
9                width: taffy::style::Dimension::Length(100f32),
10                height: taffy::style::Dimension::Length(30f32),
11            },
12            ..Default::default()
13        })
14        .unwrap();
15    let node0 = taffy
16        .new_with_children(
17            taffy::style::Style {
18                position: taffy::style::Position::Absolute,
19                flex_direction: taffy::style::FlexDirection::Column,
20                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(100f32) },
21                inset: taffy::geometry::Rect {
22                    left: auto(),
23                    right: auto(),
24                    top: auto(),
25                    bottom: taffy::style::LengthPercentageAuto::Length(20f32),
26                },
27                ..Default::default()
28            },
29            &[node00],
30        )
31        .unwrap();
32    let node = taffy
33        .new_with_children(
34            taffy::style::Style {
35                flex_direction: taffy::style::FlexDirection::Column,
36                size: taffy::geometry::Size {
37                    width: taffy::style::Dimension::Length(100f32),
38                    height: taffy::style::Dimension::Length(200f32),
39                },
40                ..Default::default()
41            },
42            &[node0],
43        )
44        .unwrap();
45    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
46    println!("\nComputed tree:");
47    taffy::util::print_tree(&taffy, node);
48    println!();
49    let Layout { size, location, .. } = taffy.layout(node).unwrap();
50    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
51    assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node, 200f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
54    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
55    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
56    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node0, 30f32, size.height);
57    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
58    assert_eq!(location.y, 150f32, "y of node {:?}. Expected {}. Actual {}", node0, 150f32, location.y);
59    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
60    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node00, 100f32, size.width);
61    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node00, 30f32, size.height);
62    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
63    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
64}