Grid: baseline alignment support (#344)
1#[test]
2fn grid_align_items_baseline_child_top() {
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 inset: taffy::geometry::Rect {
15 left: auto(),
16 right: auto(),
17 top: taffy::style::LengthPercentageAuto::Points(10f32),
18 bottom: auto(),
19 },
20 ..Default::default()
21 })
22 .unwrap();
23 let node10 = taffy
24 .new_leaf(taffy::style::Style {
25 display: taffy::style::Display::Grid,
26 size: taffy::geometry::Size {
27 width: taffy::style::Dimension::Points(50f32),
28 height: taffy::style::Dimension::Points(10f32),
29 },
30 ..Default::default()
31 })
32 .unwrap();
33 let node1 = taffy
34 .new_with_children(
35 taffy::style::Style {
36 display: taffy::style::Display::Grid,
37 size: taffy::geometry::Size {
38 width: taffy::style::Dimension::Points(50f32),
39 height: taffy::style::Dimension::Points(20f32),
40 },
41 ..Default::default()
42 },
43 &[node10],
44 )
45 .unwrap();
46 let node = taffy
47 .new_with_children(
48 taffy::style::Style {
49 display: taffy::style::Display::Grid,
50 align_items: Some(taffy::style::AlignItems::Baseline),
51 size: taffy::geometry::Size {
52 width: taffy::style::Dimension::Points(100f32),
53 height: taffy::style::Dimension::Points(100f32),
54 },
55 ..Default::default()
56 },
57 &[node0, node1],
58 )
59 .unwrap();
60 taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
61 println!("\nComputed tree:");
62 taffy::debug::print_tree(&taffy, node);
63 println!();
64 let Layout { size, location, .. } = taffy.layout(node).unwrap();
65 assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
66 assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.height);
67 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
68 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
69 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
70 assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.width);
71 assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 50f32, size.height);
72 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
73 assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, location.y);
74 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
75 assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 50f32, size.width);
76 assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 20f32, size.height);
77 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
78 assert_eq!(location.y, 65f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 65f32, location.y);
79 let Layout { size, location, .. } = taffy.layout(node10).unwrap();
80 assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node10.data(), 50f32, size.width);
81 assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node10.data(), 10f32, size.height);
82 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node10.data(), 0f32, location.x);
83 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node10.data(), 0f32, location.y);
84}