tawasuyu/taffy

1#[test]
2fn grid_basic() {
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                grid_template_rows: vec![length(40f32), length(40f32), length(40f32)],
20                grid_template_columns: vec![length(40f32), length(40f32), length(40f32)],
21                size: taffy::geometry::Size {
22                    width: taffy::style::Dimension::Length(120f32),
23                    height: taffy::style::Dimension::Length(120f32),
24                },
25                ..Default::default()
26            },
27            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
28        )
29        .unwrap();
30    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
31    println!("\nComputed tree:");
32    taffy.print_tree(node);
33    println!();
34    let Layout { size, location, .. } = taffy.layout(node).unwrap();
35    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node, 120f32, size.width);
36    assert_eq!(size.height, 120f32, "height of node {:?}. Expected {}. Actual {}", node, 120f32, size.height);
37    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
38    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
39    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
40    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0, 40f32, size.width);
41    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
42    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
43    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
44    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
45    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1, 40f32, size.width);
46    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1, 40f32, size.height);
47    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node1, 40f32, location.x);
48    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
49    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
50    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2, 40f32, size.width);
51    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2, 40f32, size.height);
52    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node2, 80f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
54    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
55    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3, 40f32, size.width);
56    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3, 40f32, size.height);
57    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3, 0f32, location.x);
58    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3, 40f32, location.y);
59    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
60    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4, 40f32, size.width);
61    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4, 40f32, size.height);
62    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node4, 40f32, location.x);
63    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4, 40f32, location.y);
64    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
65    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5, 40f32, size.width);
66    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5, 40f32, size.height);
67    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node5, 80f32, location.x);
68    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node5, 40f32, location.y);
69    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
70    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node6, 40f32, size.width);
71    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6, 40f32, size.height);
72    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node6, 0f32, location.x);
73    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node6, 80f32, location.y);
74    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
75    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node7, 40f32, size.width);
76    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7, 40f32, size.height);
77    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node7, 40f32, location.x);
78    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node7, 80f32, location.y);
79    let Layout { size, location, .. } = taffy.layout(node8).unwrap();
80    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8, 40f32, size.width);
81    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8, 40f32, size.height);
82    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node8, 80f32, location.x);
83    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node8, 80f32, location.y);
84}