tawasuyu/taffy

1#[test]
2fn measure_child() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node0 = taffy
8        .new_leaf_with_measure(
9            taffy::style::Style { ..Default::default() },
10            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
11                const TEXT: &str = "HHHHHH";
12                super::measure_standard_text(known_dimensions, available_space, TEXT, super::WritingMode::Horizontal)
13            }),
14        )
15        .unwrap();
16    let node = taffy.new_with_children(taffy::style::Style { ..Default::default() }, &[node0]).unwrap();
17    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
18    println!("\nComputed tree:");
19    taffy::debug::print_tree(&taffy, node);
20    println!();
21    let Layout { size, location, .. } = taffy.layout(node).unwrap();
22    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 60f32, size.width);
23    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 10f32, size.height);
24    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
25    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
26    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
27    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 60f32, size.width);
28    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.height);
29    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
30    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
31}