tawasuyu/taffy

1#[test]
2fn grid_percent_items_width_and_margin() {
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            size: taffy::geometry::Size { width: taffy::style::Dimension::Percent(0.45f32), height: auto() },
10            margin: taffy::geometry::Rect {
11                left: taffy::style::LengthPercentageAuto::Percent(0.05f32),
12                right: taffy::style::LengthPercentageAuto::Percent(0.05f32),
13                top: taffy::style::LengthPercentageAuto::Percent(0.05f32),
14                bottom: taffy::style::LengthPercentageAuto::Percent(0.05f32),
15            },
16            padding: taffy::geometry::Rect {
17                left: taffy::style::LengthPercentage::Points(3f32),
18                right: taffy::style::LengthPercentage::Points(3f32),
19                top: taffy::style::LengthPercentage::Points(3f32),
20                bottom: taffy::style::LengthPercentage::Points(3f32),
21            },
22            ..Default::default()
23        })
24        .unwrap();
25    let node = taffy
26        .new_with_children(
27            taffy::style::Style {
28                display: taffy::style::Display::Grid,
29                size: taffy::geometry::Size { width: taffy::style::Dimension::Points(200f32), height: auto() },
30                padding: taffy::geometry::Rect {
31                    left: taffy::style::LengthPercentage::Points(3f32),
32                    right: taffy::style::LengthPercentage::Points(3f32),
33                    top: taffy::style::LengthPercentage::Points(3f32),
34                    bottom: taffy::style::LengthPercentage::Points(3f32),
35                },
36                ..Default::default()
37            },
38            &[node0],
39        )
40        .unwrap();
41    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
42    println!("\nComputed tree:");
43    taffy::debug::print_tree(&taffy, node);
44    println!();
45    let Layout { size, location, .. } = taffy.layout(node).unwrap();
46    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 200f32, size.width);
47    assert_eq!(size.height, 31f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 31f32, size.height);
48    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
49    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
50    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
51    assert_eq!(size.width, 87f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 87f32, size.width);
52    assert_eq!(size.height, 6f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 6f32, size.height);
53    assert_eq!(location.x, 13f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 13f32, location.x);
54    assert_eq!(location.y, 13f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 13f32, location.y);
55}