tawasuyu/taffy

1#[test]
2fn grid_min_content_flex_row() {
3    use slotmap::Key;
4    #[allow(unused_imports)]
5    use taffy::{layout::Layout, prelude::*};
6    let mut taffy = taffy::Taffy::new();
7    let node00 = taffy
8        .new_leaf_with_measure(
9            taffy::style::Style { ..Default::default() },
10            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
11                const TEXT: &str = "HH\u{200b}HH";
12                super::measure_standard_text(known_dimensions, available_space, TEXT)
13            }),
14        )
15        .unwrap();
16    let node01 = taffy
17        .new_leaf_with_measure(
18            taffy::style::Style { ..Default::default() },
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)
22            }),
23        )
24        .unwrap();
25    let node02 = taffy
26        .new_leaf_with_measure(
27            taffy::style::Style { ..Default::default() },
28            taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
29                const TEXT: &str = "HH\u{200b}HH";
30                super::measure_standard_text(known_dimensions, available_space, TEXT)
31            }),
32        )
33        .unwrap();
34    let node0 = taffy
35        .new_with_children(
36            taffy::style::Style { display: taffy::style::Display::Flex, ..Default::default() },
37            &[node00, node01, node02],
38        )
39        .unwrap();
40    let node = taffy
41        .new_with_children(
42            taffy::style::Style {
43                display: taffy::style::Display::Grid,
44                grid_template_rows: vec![points(40f32)],
45                grid_template_columns: vec![min_content()],
46                ..Default::default()
47            },
48            &[node0],
49        )
50        .unwrap();
51    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
52    println!("\nComputed tree:");
53    taffy::debug::print_tree(&taffy, node);
54    println!();
55    let Layout { size, location, .. } = taffy.layout(node).unwrap();
56    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 60f32, size.width);
57    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 40f32, size.height);
58    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
59    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
60    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
61    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 60f32, size.width);
62    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
63    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
64    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
65    let Layout { size, location, .. } = taffy.layout(node00).unwrap();
66    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 20f32, size.width);
67    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 40f32, size.height);
68    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
69    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
70    let Layout { size, location, .. } = taffy.layout(node01).unwrap();
71    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node01.data(), 20f32, size.width);
72    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node01.data(), 40f32, size.height);
73    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node01.data(), 20f32, location.x);
74    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node01.data(), 0f32, location.y);
75    let Layout { size, location, .. } = taffy.layout(node02).unwrap();
76    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node02.data(), 20f32, size.width);
77    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node02.data(), 40f32, size.height);
78    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node02.data(), 40f32, location.x);
79    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node02.data(), 0f32, location.y);
80}