tawasuyu/taffy

1#[test]
2fn grid_max_content_single_item_span_2() {
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                grid_column: taffy::geometry::Line {
12                    start: taffy::style::GridPlacement::Span(2u16),
13                    end: taffy::style::GridPlacement::Auto,
14                },
15                ..Default::default()
16            },
17            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
18                const TEXT: &str = "HH\u{200b}HH";
19                super::measure_standard_text(
20                    known_dimensions,
21                    available_space,
22                    TEXT,
23                    super::WritingMode::Horizontal,
24                    None,
25                )
26            }),
27        )
28        .unwrap();
29    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
30    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
31    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
32    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
33    let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
34    let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
35    let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
36    let node = taffy
37        .new_with_children(
38            taffy::style::Style {
39                display: taffy::style::Display::Grid,
40                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
41                grid_template_columns: vec![points(40f32), max_content(), max_content()],
42                ..Default::default()
43            },
44            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
45        )
46        .unwrap();
47    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
48    println!("\nComputed tree:");
49    taffy::debug::print_tree(&taffy, node);
50    println!();
51    let Layout { size, location, .. } = taffy.layout(node).unwrap();
52    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 80f32, size.width);
53    assert_eq!(size.height, 120f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 120f32, size.height);
54    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
55    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
56    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
57    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
58    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
59    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
60    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
61    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
62    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.width);
63    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.height);
64    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, location.x);
65    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
66    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
67    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.width);
68    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
69    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.x);
70    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, location.y);
71    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
72    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 20f32, size.width);
73    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
74    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.x);
75    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.y);
76    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
77    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 20f32, size.width);
78    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.height);
79    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 60f32, location.x);
80    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, location.y);
81    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
82    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
83    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
84    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 0f32, location.x);
85    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 80f32, location.y);
86    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
87    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node6.data(), 20f32, size.width);
88    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.height);
89    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, location.x);
90    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node6.data(), 80f32, location.y);
91    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
92    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node7.data(), 20f32, size.width);
93    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.height);
94    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node7.data(), 60f32, location.x);
95    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node7.data(), 80f32, location.y);
96    let Layout { size, location, .. } = taffy.layout(node8).unwrap();
97    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.width);
98    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node8.data(), 0f32, size.height);
99    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node8.data(), 0f32, location.x);
100    assert_eq!(location.y, 120f32, "y of node {:?}. Expected {}. Actual {}", node8.data(), 120f32, location.y);
101}