tawasuyu/taffy

1#[test]
2fn grid_min_content_flex_single_item_margin_percent() {
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 { ..Default::default() }).unwrap();
8    let node1 = taffy
9        .new_leaf(taffy::style::Style {
10            min_size: taffy::geometry::Size { width: taffy::style::Dimension::Points(10f32), height: auto() },
11            margin: taffy::geometry::Rect {
12                left: taffy::style::LengthPercentageAuto::Percent(0.2f32),
13                right: taffy::style::LengthPercentageAuto::Percent(0.1f32),
14                top: taffy::style::LengthPercentageAuto::Percent(0.05f32),
15                bottom: taffy::style::LengthPercentageAuto::Percent(0.15f32),
16            },
17            ..Default::default()
18        })
19        .unwrap();
20    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
21    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
22    let node4 = taffy
23        .new_leaf_with_measure(
24            taffy::style::Style {
25                grid_column: taffy::geometry::Line {
26                    start: taffy::style::GridPlacement::Span(2u16),
27                    end: taffy::style::GridPlacement::Auto,
28                },
29                margin: taffy::geometry::Rect {
30                    left: taffy::style::LengthPercentageAuto::Percent(0.2f32),
31                    right: taffy::style::LengthPercentageAuto::Percent(0.1f32),
32                    top: taffy::style::LengthPercentageAuto::Percent(0.05f32),
33                    bottom: taffy::style::LengthPercentageAuto::Percent(0.15f32),
34                },
35                ..Default::default()
36            },
37            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
38                const TEXT: &str = "HH\u{200b}HH";
39                super::measure_standard_text(known_dimensions, available_space, TEXT, super::WritingMode::Horizontal)
40            }),
41        )
42        .unwrap();
43    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
44    let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
45    let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
46    let node = taffy
47        .new_with_children(
48            taffy::style::Style {
49                display: taffy::style::Display::Grid,
50                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
51                grid_template_columns: vec![points(40f32), min_content(), flex(1f32)],
52                ..Default::default()
53            },
54            &[node0, node1, node2, node3, node4, node5, node6, node7],
55        )
56        .unwrap();
57    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
58    println!("\nComputed tree:");
59    taffy::debug::print_tree(&taffy, node);
60    println!();
61    let Layout { size, location, .. } = taffy.layout(node).unwrap();
62    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 80f32, size.width);
63    assert_eq!(size.height, 120f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.height);
64    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
65    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
66    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
67    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
68    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
69    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
70    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
71    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
72    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 10f32, size.width);
73    assert_eq!(size.height, 38f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 38f32, size.height);
74    assert_eq!(location.x, 42f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 42f32, location.x);
75    assert_eq!(location.y, 1f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 1f32, location.y);
76    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
77    assert_eq!(size.width, 30f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 30f32, size.width);
78    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
79    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 50f32, location.x);
80    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
81    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
82    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.width);
83    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
84    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 0f32, location.x);
85    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.y);
86    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
87    assert_eq!(size.width, 28f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 28f32, size.width);
88    assert_eq!(size.height, 32f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 32f32, size.height);
89    assert_eq!(location.x, 48f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 48f32, location.x);
90    assert_eq!(location.y, 42f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 42f32, location.y);
91    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
92    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
93    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
94    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 0f32, location.x);
95    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 80f32, location.y);
96    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
97    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node6.data(), 10f32, size.width);
98    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.height);
99    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, location.x);
100    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node6.data(), 80f32, location.y);
101    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
102    assert_eq!(size.width, 30f32, "width of node {:?}. Expected {}. Actual {}", node7.data(), 30f32, size.width);
103    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.height);
104    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node7.data(), 50f32, location.x);
105    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node7.data(), 80f32, location.y);
106}