Replace per-node measure functions with a single measure function + per-node context (#490)
1#[test]
2fn grid_overflow_rows() {
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 {
9 grid_column: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Span(4u16) },
10 ..Default::default()
11 },
12 crate::TextMeasure {
13 text_content: "HHHHHHHHHHHHHHHH\u{200b}HHHHHHHHHHHHHHHH",
14 writing_mode: crate::WritingMode::Horizontal,
15 _aspect_ratio: None,
16 },
17 )
18 .unwrap();
19 let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
20 let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
21 let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
22 let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
23 let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
24 let node = taffy
25 .new_with_children(
26 taffy::style::Style {
27 display: taffy::style::Display::Grid,
28 grid_template_rows: vec![length(40f32), length(40f32)],
29 grid_template_columns: vec![min_content(), max_content(), length(10f32), percent(0.2f32)],
30 ..Default::default()
31 },
32 &[node0, node1, node2, node3, node4, node5],
33 )
34 .unwrap();
35 taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
36 println!("\nComputed tree:");
37 taffy.print_tree(node);
38 println!();
39 let Layout { size, location, .. } = taffy.layout(node).unwrap();
40 assert_eq!(size.width, 320f32, "width of node {:?}. Expected {}. Actual {}", node, 320f32, size.width);
41 assert_eq!(size.height, 80f32, "height of node {:?}. Expected {}. Actual {}", node, 80f32, size.height);
42 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
43 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
44 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
45 assert_eq!(size.width, 320f32, "width of node {:?}. Expected {}. Actual {}", node0, 320f32, size.width);
46 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
47 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
48 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
49 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
50 assert_eq!(size.width, 43f32, "width of node {:?}. Expected {}. Actual {}", node1, 43f32, size.width);
51 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1, 40f32, size.height);
52 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
53 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node1, 40f32, location.y);
54 let Layout { size, location, .. } = taffy.layout(node2).unwrap();
55 assert_eq!(size.width, 203f32, "width of node {:?}. Expected {}. Actual {}", node2, 203f32, size.width);
56 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2, 40f32, size.height);
57 assert_eq!(location.x, 43f32, "x of node {:?}. Expected {}. Actual {}", node2, 43f32, location.x);
58 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node2, 40f32, location.y);
59 let Layout { size, location, .. } = taffy.layout(node3).unwrap();
60 assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node3, 10f32, size.width);
61 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3, 40f32, size.height);
62 assert_eq!(location.x, 246f32, "x of node {:?}. Expected {}. Actual {}", node3, 246f32, location.x);
63 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3, 40f32, location.y);
64 let Layout { size, location, .. } = taffy.layout(node4).unwrap();
65 assert_eq!(size.width, 64f32, "width of node {:?}. Expected {}. Actual {}", node4, 64f32, size.width);
66 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4, 40f32, size.height);
67 assert_eq!(location.x, 256f32, "x of node {:?}. Expected {}. Actual {}", node4, 256f32, location.x);
68 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4, 40f32, location.y);
69 let Layout { size, location, .. } = taffy.layout(node5).unwrap();
70 assert_eq!(size.width, 43f32, "width of node {:?}. Expected {}. Actual {}", node5, 43f32, size.width);
71 assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node5, 0f32, size.height);
72 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node5, 0f32, location.x);
73 assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node5, 80f32, location.y);
74}