Replace per-node measure functions with a single measure function + per-node context (#490)
1#[test]
2fn grid_align_content_start() {
3 #[allow(unused_imports)]
4 use taffy::{prelude::*, tree::Layout, Taffy};
5 let mut taffy: Taffy<crate::TextMeasure> = Taffy::new();
6 let node0 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
7 let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
8 let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
9 let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
10 let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
11 let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
12 let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
13 let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
14 let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
15 let node = taffy
16 .new_with_children(
17 taffy::style::Style {
18 display: taffy::style::Display::Grid,
19 align_content: Some(taffy::style::AlignContent::Start),
20 grid_template_rows: vec![length(40f32), length(40f32), length(40f32)],
21 grid_template_columns: vec![length(40f32), length(40f32), length(40f32)],
22 size: taffy::geometry::Size {
23 width: taffy::style::Dimension::Length(200f32),
24 height: taffy::style::Dimension::Length(200f32),
25 },
26 ..Default::default()
27 },
28 &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
29 )
30 .unwrap();
31 taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
32 println!("\nComputed tree:");
33 taffy.print_tree(node);
34 println!();
35 let Layout { size, location, .. } = taffy.layout(node).unwrap();
36 assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, size.width);
37 assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node, 200f32, size.height);
38 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
39 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
40 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
41 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0, 40f32, size.width);
42 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
43 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
44 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
45 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
46 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1, 40f32, size.width);
47 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1, 40f32, size.height);
48 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node1, 40f32, location.x);
49 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
50 let Layout { size, location, .. } = taffy.layout(node2).unwrap();
51 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2, 40f32, size.width);
52 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2, 40f32, size.height);
53 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node2, 80f32, location.x);
54 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
55 let Layout { size, location, .. } = taffy.layout(node3).unwrap();
56 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3, 40f32, size.width);
57 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3, 40f32, size.height);
58 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3, 0f32, location.x);
59 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3, 40f32, location.y);
60 let Layout { size, location, .. } = taffy.layout(node4).unwrap();
61 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4, 40f32, size.width);
62 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4, 40f32, size.height);
63 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node4, 40f32, location.x);
64 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4, 40f32, location.y);
65 let Layout { size, location, .. } = taffy.layout(node5).unwrap();
66 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5, 40f32, size.width);
67 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5, 40f32, size.height);
68 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node5, 80f32, location.x);
69 assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node5, 40f32, location.y);
70 let Layout { size, location, .. } = taffy.layout(node6).unwrap();
71 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node6, 40f32, size.width);
72 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6, 40f32, size.height);
73 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node6, 0f32, location.x);
74 assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node6, 80f32, location.y);
75 let Layout { size, location, .. } = taffy.layout(node7).unwrap();
76 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node7, 40f32, size.width);
77 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7, 40f32, size.height);
78 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node7, 40f32, location.x);
79 assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node7, 80f32, location.y);
80 let Layout { size, location, .. } = taffy.layout(node8).unwrap();
81 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8, 40f32, size.width);
82 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8, 40f32, size.height);
83 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node8, 80f32, location.x);
84 assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node8, 80f32, location.y);
85}