tawasuyu/taffy

1#[test]
2fn measure_child_constraint() {
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 . new_leaf_with_measure (taffy :: style :: Style { .. Default :: default () } , taffy :: node :: MeasureFunc :: Raw (| known_dimensions , available_space | { const TEXT : & str = "HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH\u{200b}HHHHHHHHHH" ; super :: measure_standard_text (known_dimensions , available_space , TEXT , super :: WritingMode :: Horizontal) }) ,) . unwrap () ;
8    let node = taffy
9        .new_with_children(
10            taffy::style::Style {
11                size: taffy::geometry::Size {
12                    width: taffy::style::Dimension::Points(50f32),
13                    height: taffy::style::Dimension::Auto,
14                },
15                ..Default::default()
16            },
17            &[node0],
18        )
19        .unwrap();
20    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
21    println!("\nComputed tree:");
22    taffy::debug::print_tree(&taffy, node);
23    println!();
24    let Layout { size, location, .. } = taffy.layout(node).unwrap();
25    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 50f32, size.width);
26    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
27    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
28    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
29    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
30    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
31    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.height);
32    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
33    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
34}