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tawasuyu/taffy

A high performance rust-powered UI layout library

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⎇ 0.3.x tests/generated/rounding_inner_node_controversy_vertical.rs Rust · 78 lines · 4.4 KB History Who touched what raw

Fix 1px wide gaps between adjacent UI nodes (#374) e8253b1ae · Nico Burns ·

1#[test]
2fn rounding_inner_node_controversy_vertical() {
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(taffy::style::Style {
9            flex_grow: 1f32,
10            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), height: auto() },
11            ..Default::default()
12        })
13        .unwrap();
14    let node10 = taffy
15        .new_leaf(taffy::style::Style {
16            flex_grow: 1f32,
17            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), height: auto() },
18            ..Default::default()
19        })
20        .unwrap();
21    let node1 = taffy
22        .new_with_children(
23            taffy::style::Style {
24                flex_direction: taffy::style::FlexDirection::Column,
25                flex_grow: 1f32,
26                size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), height: auto() },
27                ..Default::default()
28            },
29            &[node10],
30        )
31        .unwrap();
32    let node2 = taffy
33        .new_leaf(taffy::style::Style {
34            flex_grow: 1f32,
35            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), height: auto() },
36            ..Default::default()
37        })
38        .unwrap();
39    let node = taffy
40        .new_with_children(
41            taffy::style::Style {
42                flex_direction: taffy::style::FlexDirection::Column,
43                size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(320f32) },
44                ..Default::default()
45            },
46            &[node0, node1, node2],
47        )
48        .unwrap();
49    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
50    println!("\nComputed tree:");
51    taffy::debug::print_tree(&taffy, node);
52    println!();
53    let Layout { size, location, .. } = taffy.layout(node).unwrap();
54    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 10f32, size.width);
55    assert_eq!(size.height, 320f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 320f32, size.height);
56    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
57    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
58    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
59    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.width);
60    assert_eq!(size.height, 107f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 107f32, size.height);
61    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
62    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
63    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
64    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 10f32, size.width);
65    assert_eq!(size.height, 106f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 106f32, size.height);
66    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
67    assert_eq!(location.y, 107f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 107f32, location.y);
68    let Layout { size, location, .. } = taffy.layout(node10).unwrap();
69    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node10.data(), 10f32, size.width);
70    assert_eq!(size.height, 106f32, "height of node {:?}. Expected {}. Actual {}", node10.data(), 106f32, size.height);
71    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node10.data(), 0f32, location.x);
72    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node10.data(), 0f32, location.y);
73    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
74    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 10f32, size.width);
75    assert_eq!(size.height, 107f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 107f32, size.height);
76    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.x);
77    assert_eq!(location.y, 213f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 213f32, location.y);
78}