1#[test]
2fn grid_margins_fixed_center() {
3 use slotmap::Key;
4 #[allow(unused_imports)]
5 use taffy::{layout::Layout, prelude::*};
6 let mut taffy = taffy::Taffy::new();
7 let node0 = taffy
8 .new_leaf(taffy::style::Style {
9 align_self: Some(taffy::style::AlignSelf::Center),
10 justify_self: Some(taffy::style::JustifySelf::Center),
11 size: taffy::geometry::Size {
12 width: taffy::style::Dimension::Points(20f32),
13 height: taffy::style::Dimension::Points(20f32),
14 },
15 margin: taffy::geometry::Rect {
16 left: taffy::style::LengthPercentageAuto::Points(8f32),
17 right: taffy::style::LengthPercentageAuto::Points(4f32),
18 top: taffy::style::LengthPercentageAuto::Points(2f32),
19 bottom: taffy::style::LengthPercentageAuto::Points(6f32),
20 },
21 ..Default::default()
22 })
23 .unwrap();
24 let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
25 let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
26 let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
27 let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
28 let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
29 let node = taffy
30 .new_with_children(
31 taffy::style::Style {
32 display: taffy::style::Display::Grid,
33 grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
34 grid_template_columns: vec![points(40f32), points(40f32), points(40f32)],
35 padding: taffy::geometry::Rect {
36 left: taffy::style::LengthPercentage::Points(40f32),
37 right: taffy::style::LengthPercentage::Points(20f32),
38 top: taffy::style::LengthPercentage::Points(10f32),
39 bottom: taffy::style::LengthPercentage::Points(30f32),
40 },
41 ..Default::default()
42 },
43 &[node0, node1, node2, node3, node4, node5],
44 )
45 .unwrap();
46 taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
47 println!("\nComputed tree:");
48 taffy::debug::print_tree(&taffy, node);
49 println!();
50 let Layout { size, location, .. } = taffy.layout(node).unwrap();
51 assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 180f32, size.width);
52 assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 160f32, size.height);
53 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
54 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
55 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
56 assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.width);
57 assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 20f32, size.height);
58 assert_eq!(location.x, 52f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 52f32, location.x);
59 assert_eq!(location.y, 18f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 18f32, location.y);
60 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
61 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.width);
62 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.height);
63 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 80f32, location.x);
64 assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 10f32, location.y);
65 let Layout { size, location, .. } = taffy.layout(node2).unwrap();
66 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.width);
67 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
68 assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 120f32, location.x);
69 assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 10f32, location.y);
70 let Layout { size, location, .. } = taffy.layout(node3).unwrap();
71 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.width);
72 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
73 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.x);
74 assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 50f32, location.y);
75 let Layout { size, location, .. } = taffy.layout(node4).unwrap();
76 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.width);
77 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.height);
78 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 80f32, location.x);
79 assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 50f32, location.y);
80 let Layout { size, location, .. } = taffy.layout(node5).unwrap();
81 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
82 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
83 assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 120f32, location.x);
84 assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 50f32, location.y);
85}