tawasuyu/taffy

1#[test]
2fn grid_max_content_single_item_margin_fixed() {
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_with_measure(
10            taffy::style::Style {
11                margin: taffy::geometry::Rect {
12                    left: taffy::style::LengthPercentageAuto::Points(20f32),
13                    right: taffy::style::LengthPercentageAuto::Points(10f32),
14                    top: taffy::style::LengthPercentageAuto::Points(5f32),
15                    bottom: taffy::style::LengthPercentageAuto::Points(15f32),
16                },
17                ..Default::default()
18            },
19            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
20                const TEXT: &str = "HH\u{200b}HH";
21                super::measure_standard_text(known_dimensions, available_space, TEXT, super::WritingMode::Horizontal)
22            }),
23        )
24        .unwrap();
25    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
26    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
27    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
28    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
29    let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
30    let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
31    let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
32    let node = taffy
33        .new_with_children(
34            taffy::style::Style {
35                display: taffy::style::Display::Grid,
36                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
37                grid_template_columns: vec![points(40f32), max_content(), points(40f32)],
38                ..Default::default()
39            },
40            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
41        )
42        .unwrap();
43    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
44    println!("\nComputed tree:");
45    taffy::debug::print_tree(&taffy, node);
46    println!();
47    let Layout { size, location, .. } = taffy.layout(node).unwrap();
48    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 150f32, size.width);
49    assert_eq!(size.height, 120f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.height);
50    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
51    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
52    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
53    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
54    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
55    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
56    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
57    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
58    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.width);
59    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, size.height);
60    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 60f32, location.x);
61    assert_eq!(location.y, 5f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 5f32, location.y);
62    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
63    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.width);
64    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
65    assert_eq!(location.x, 110f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 110f32, location.x);
66    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
67    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
68    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.width);
69    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
70    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 0f32, location.x);
71    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.y);
72    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
73    assert_eq!(size.width, 70f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 70f32, size.width);
74    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.height);
75    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, location.x);
76    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, location.y);
77    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
78    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
79    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
80    assert_eq!(location.x, 110f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 110f32, location.x);
81    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, location.y);
82    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
83    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.width);
84    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.height);
85    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node6.data(), 0f32, location.x);
86    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node6.data(), 80f32, location.y);
87    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
88    assert_eq!(size.width, 70f32, "width of node {:?}. Expected {}. Actual {}", node7.data(), 70f32, size.width);
89    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.height);
90    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, location.x);
91    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node7.data(), 80f32, location.y);
92    let Layout { size, location, .. } = taffy.layout(node8).unwrap();
93    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.width);
94    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.height);
95    assert_eq!(location.x, 110f32, "x of node {:?}. Expected {}. Actual {}", node8.data(), 110f32, location.x);
96    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node8.data(), 80f32, location.y);
97}