tawasuyu/taffy

1#[test]
2fn grid_fit_content_percent_indefinite_argument() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout};
5    let mut taffy = taffy::Taffy::new();
6    let node0 = taffy
7        .new_leaf_with_measure(
8            taffy::style::Style { ..Default::default() },
9            taffy::tree::MeasureFunc::Raw(|known_dimensions, available_space| {
10                const TEXT: &str = "HH\u{200b}HH\u{200b}HH";
11                super::measure_standard_text(
12                    known_dimensions,
13                    available_space,
14                    TEXT,
15                    super::WritingMode::Horizontal,
16                    None,
17                )
18            }),
19        )
20        .unwrap();
21    let node = taffy
22        .new_with_children(
23            taffy::style::Style {
24                display: taffy::style::Display::Grid,
25                grid_template_rows: vec![length(40f32)],
26                grid_template_columns: vec![fit_content(percent(0.5f32))],
27                ..Default::default()
28            },
29            &[node0],
30        )
31        .unwrap();
32    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
33    println!("\nComputed tree:");
34    taffy::util::print_tree(&taffy, node);
35    println!();
36    let Layout { size, location, .. } = taffy.layout(node).unwrap();
37    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node, 60f32, size.width);
38    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node, 40f32, size.height);
39    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
40    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
41    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
42    assert_eq!(size.width, 30f32, "width of node {:?}. Expected {}. Actual {}", node0, 30f32, size.width);
43    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
46}