tawasuyu/taffy

1#[test]
2fn display_none_absolute_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.new_leaf(taffy::style::Style { flex_grow: 1f32, ..Default::default() }).unwrap();
8    let node1 = taffy
9        .new_leaf(taffy::style::Style {
10            display: taffy::style::Display::None,
11            position: taffy::style::Position::Absolute,
12            size: taffy::geometry::Size {
13                width: taffy::style::Dimension::Points(20f32),
14                height: taffy::style::Dimension::Points(20f32),
15            },
16            inset: taffy::geometry::Rect {
17                left: taffy::style::LengthPercentageAuto::Points(10f32),
18                right: auto(),
19                top: taffy::style::LengthPercentageAuto::Points(10f32),
20                bottom: auto(),
21            },
22            ..Default::default()
23        })
24        .unwrap();
25    let node = taffy
26        .new_with_children(
27            taffy::style::Style {
28                size: taffy::geometry::Size {
29                    width: taffy::style::Dimension::Points(100f32),
30                    height: taffy::style::Dimension::Points(100f32),
31                },
32                ..Default::default()
33            },
34            &[node0, node1],
35        )
36        .unwrap();
37    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
38    println!("\nComputed tree:");
39    taffy::debug::print_tree(&taffy, node);
40    println!();
41    let Layout { size, location, .. } = taffy.layout(node).unwrap();
42    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
43    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
46    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
47    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
48    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.height);
49    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
50    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
51    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
52    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, size.width);
53    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, size.height);
54    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
55    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
56}