tawasuyu/taffy

1#[test]
2fn align_content_start_single_line_negative_space() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            flex_shrink: 0f32,
10            size: taffy::geometry::Size {
11                width: taffy::style::Dimension::Percent(0.8f32),
12                height: taffy::style::Dimension::Points(60f32),
13            },
14            ..Default::default()
15        })
16        .unwrap();
17    let node0 = taffy
18        .new_with_children(
19            taffy::style::Style {
20                display: taffy::style::Display::Flex,
21                align_content: Some(taffy::style::AlignContent::Start),
22                justify_content: Some(taffy::style::JustifyContent::Center),
23                size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(10f32) },
24                ..Default::default()
25            },
26            &[node00],
27        )
28        .unwrap();
29    let node = taffy
30        .new_with_children(
31            taffy::style::Style {
32                display: taffy::style::Display::Flex,
33                flex_direction: taffy::style::FlexDirection::Column,
34                size: taffy::geometry::Size {
35                    width: taffy::style::Dimension::Points(320f32),
36                    height: taffy::style::Dimension::Points(320f32),
37                },
38                border: taffy::geometry::Rect {
39                    left: taffy::style::LengthPercentage::Points(60f32),
40                    right: taffy::style::LengthPercentage::Points(60f32),
41                    top: taffy::style::LengthPercentage::Points(60f32),
42                    bottom: taffy::style::LengthPercentage::Points(60f32),
43                },
44                ..Default::default()
45            },
46            &[node0],
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, 320f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 320f32, 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, 200f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 200f32, size.width);
60    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, size.height);
61    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 60f32, location.x);
62    assert_eq!(location.y, 60f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 60f32, location.y);
63    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
64    assert_eq!(size.width, 160f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 160f32, size.width);
65    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 60f32, size.height);
66    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 20f32, location.x);
67    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
68}