Grid: baseline alignment support (#344)
1#[test]
2fn grid_align_items_baseline_child() {
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 display: taffy::style::Display::Grid,
10 size: taffy::geometry::Size {
11 width: taffy::style::Dimension::Points(50f32),
12 height: taffy::style::Dimension::Points(50f32),
13 },
14 ..Default::default()
15 })
16 .unwrap();
17 let node10 = taffy
18 .new_leaf(taffy::style::Style {
19 display: taffy::style::Display::Grid,
20 size: taffy::geometry::Size {
21 width: taffy::style::Dimension::Points(50f32),
22 height: taffy::style::Dimension::Points(10f32),
23 },
24 ..Default::default()
25 })
26 .unwrap();
27 let node1 = taffy
28 .new_with_children(
29 taffy::style::Style {
30 display: taffy::style::Display::Grid,
31 size: taffy::geometry::Size {
32 width: taffy::style::Dimension::Points(50f32),
33 height: taffy::style::Dimension::Points(20f32),
34 },
35 ..Default::default()
36 },
37 &[node10],
38 )
39 .unwrap();
40 let node = taffy
41 .new_with_children(
42 taffy::style::Style {
43 display: taffy::style::Display::Grid,
44 align_items: Some(taffy::style::AlignItems::Baseline),
45 size: taffy::geometry::Size {
46 width: taffy::style::Dimension::Points(100f32),
47 height: taffy::style::Dimension::Points(100f32),
48 },
49 ..Default::default()
50 },
51 &[node0, node1],
52 )
53 .unwrap();
54 taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
55 println!("\nComputed tree:");
56 taffy::debug::print_tree(&taffy, node);
57 println!();
58 let Layout { size, location, .. } = taffy.layout(node).unwrap();
59 assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
60 assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
61 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
62 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
63 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
64 assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.width);
65 assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.height);
66 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
67 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
68 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
69 assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 50f32, size.width);
70 assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, size.height);
71 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
72 assert_eq!(location.y, 65f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 65f32, location.y);
73 let Layout { size, location, .. } = taffy.layout(node10).unwrap();
74 assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node10.data(), 50f32, size.width);
75 assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node10.data(), 10f32, size.height);
76 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node10.data(), 0f32, location.x);
77 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node10.data(), 0f32, location.y);
78}