tawasuyu/taffy

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