tawasuyu/taffy

1#[test]
2fn grid_span_2_min_content_auto_indefinite() {
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.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
9    let node2 = taffy
10        .new_leaf_with_measure(
11            taffy::style::Style {
12                grid_column: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Span(2u16) },
13                ..Default::default()
14            },
15            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
16                const TEXT: &str = "HHHH\u{200b}HHHH";
17                super::measure_standard_text(
18                    known_dimensions,
19                    available_space,
20                    TEXT,
21                    super::WritingMode::Horizontal,
22                    None,
23                )
24            }),
25        )
26        .unwrap();
27    let node = taffy
28        .new_with_children(
29            taffy::style::Style {
30                display: taffy::style::Display::Grid,
31                grid_template_rows: vec![points(40f32)],
32                grid_template_columns: vec![min_content(), auto()],
33                ..Default::default()
34            },
35            &[node0, node1, node2],
36        )
37        .unwrap();
38    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
39    println!("\nComputed tree:");
40    taffy::debug::print_tree(&taffy, node);
41    println!();
42    let Layout { size, location, .. } = taffy.layout(node).unwrap();
43    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 80f32, size.width);
44    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 50f32, size.height);
45    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
46    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
47    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
48    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.width);
49    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
50    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
51    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
52    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
53    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 60f32, size.width);
54    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.height);
55    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, location.x);
56    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.y);
57    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
58    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 80f32, size.width);
59    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 10f32, size.height);
60    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.x);
61    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, location.y);
62}