1#[test]
2fn flex_grow_root_minimized() {
3 use slotmap::Key;
4 #[allow(unused_imports)]
5 use taffy::{layout::Layout, prelude::*};
6 let mut taffy = taffy::Taffy::new();
7 let node00 = taffy
8 .new_leaf(taffy::style::Style {
9 flex_grow: 1f32,
10 flex_basis: taffy::style::Dimension::Points(200f32),
11 ..Default::default()
12 })
13 .unwrap();
14 let node01 = taffy
15 .new_leaf(taffy::style::Style {
16 size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(100f32) },
17 ..Default::default()
18 })
19 .unwrap();
20 let node0 = taffy
21 .new_with_children(
22 taffy::style::Style {
23 flex_direction: taffy::style::FlexDirection::Column,
24 flex_grow: 1f32,
25 min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(100f32) },
26 max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(500f32) },
27 ..Default::default()
28 },
29 &[node00, node01],
30 )
31 .unwrap();
32 let node = taffy
33 .new_with_children(
34 taffy::style::Style {
35 flex_direction: taffy::style::FlexDirection::Column,
36 size: taffy::geometry::Size { width: taffy::style::Dimension::Points(100f32), height: auto() },
37 min_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(100f32) },
38 max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(500f32) },
39 ..Default::default()
40 },
41 &[node0],
42 )
43 .unwrap();
44 taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
45 println!("\nComputed tree:");
46 taffy::debug::print_tree(&taffy, node);
47 println!();
48 let Layout { size, location, .. } = taffy.layout(node).unwrap();
49 assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 100f32, size.width);
50 assert_eq!(size.height, 300f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 300f32, size.height);
51 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
52 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
53 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
54 assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 100f32, size.width);
55 assert_eq!(size.height, 300f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 300f32, size.height);
56 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
57 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
58 let Layout { size, location, .. } = taffy.layout(node00).unwrap();
59 assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node00.data(), 100f32, size.width);
60 assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node00.data(), 200f32, size.height);
61 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.x);
62 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00.data(), 0f32, location.y);
63 let Layout { size, location, .. } = taffy.layout(node01).unwrap();
64 assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node01.data(), 100f32, size.width);
65 assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node01.data(), 100f32, size.height);
66 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node01.data(), 0f32, location.x);
67 assert_eq!(location.y, 200f32, "y of node {:?}. Expected {}. Actual {}", node01.data(), 200f32, location.y);
68}