tawasuyu/taffy

1#[test]
2fn flex_root_ignored() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout};
5    let mut taffy = taffy::Taffy::new();
6    let node0 = taffy
7        .new_leaf(taffy::style::Style {
8            flex_grow: 1f32,
9            flex_basis: taffy::style::Dimension::Length(200f32),
10            ..Default::default()
11        })
12        .unwrap();
13    let node1 = taffy
14        .new_leaf(taffy::style::Style {
15            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(100f32) },
16            ..Default::default()
17        })
18        .unwrap();
19    let node = taffy
20        .new_with_children(
21            taffy::style::Style {
22                flex_direction: taffy::style::FlexDirection::Column,
23                size: taffy::geometry::Size { width: taffy::style::Dimension::Length(100f32), height: auto() },
24                min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(100f32) },
25                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(500f32) },
26                ..Default::default()
27            },
28            &[node0, node1],
29        )
30        .unwrap();
31    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
32    println!("\nComputed tree:");
33    taffy::util::print_tree(&taffy, node);
34    println!();
35    let Layout { size, location, .. } = taffy.layout(node).unwrap();
36    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
37    assert_eq!(size.height, 300f32, "height of node {:?}. Expected {}. Actual {}", node, 300f32, size.height);
38    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
39    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
40    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
41    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
42    assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node0, 200f32, 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    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
46    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node1, 100f32, size.width);
47    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1, 100f32, size.height);
48    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
49    assert_eq!(location.y, 200f32, "y of node {:?}. Expected {}. Actual {}", node1, 200f32, location.y);
50}