Replace per-node measure functions with a single measure function + per-node context (#490)
1#[test]
2fn grid_minmax_max_content_1fr() {
3 #[allow(unused_imports)]
4 use taffy::{prelude::*, tree::Layout, Taffy};
5 let mut taffy: Taffy<crate::TextMeasure> = Taffy::new();
6 let node0 = taffy
7 .new_leaf_with_context(
8 taffy::style::Style { ..Default::default() },
9 crate::TextMeasure {
10 text_content: "HH\u{200b}HH",
11 writing_mode: crate::WritingMode::Horizontal,
12 _aspect_ratio: None,
13 },
14 )
15 .unwrap();
16 let node = taffy
17 .new_with_children(
18 taffy::style::Style {
19 display: taffy::style::Display::Grid,
20 grid_template_rows: vec![length(40f32)],
21 grid_template_columns: vec![minmax(max_content(), fr(1f32))],
22 ..Default::default()
23 },
24 &[node0],
25 )
26 .unwrap();
27 taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
28 println!("\nComputed tree:");
29 taffy.print_tree(node);
30 println!();
31 let Layout { size, location, .. } = taffy.layout(node).unwrap();
32 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node, 40f32, size.width);
33 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node, 40f32, size.height);
34 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
35 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
36 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
37 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0, 40f32, size.width);
38 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
39 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
40 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
41}