tawasuyu/taffy

1#[test]
2fn grid_absolute_container_negative_position() {
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            position: taffy::style::Position::Absolute,
10            inset: taffy::geometry::Rect {
11                left: auto(),
12                right: taffy::style::LengthPercentageAuto::Points(-15f32),
13                top: taffy::style::LengthPercentageAuto::Points(-5f32),
14                bottom: auto(),
15            },
16            ..Default::default()
17        })
18        .unwrap();
19    let node1 = taffy
20        .new_leaf(taffy::style::Style {
21            position: taffy::style::Position::Absolute,
22            inset: taffy::geometry::Rect {
23                left: taffy::style::LengthPercentageAuto::Points(-35f32),
24                right: auto(),
25                top: auto(),
26                bottom: taffy::style::LengthPercentageAuto::Points(-25f32),
27            },
28            ..Default::default()
29        })
30        .unwrap();
31    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
32    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
33    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
34    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
35    let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
36    let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
37    let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
38    let node = taffy
39        .new_with_children(
40            taffy::style::Style {
41                display: taffy::style::Display::Grid,
42                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
43                grid_template_columns: vec![points(40f32), points(40f32), points(40f32)],
44                padding: taffy::geometry::Rect {
45                    left: taffy::style::LengthPercentage::Points(40f32),
46                    right: taffy::style::LengthPercentage::Points(20f32),
47                    top: taffy::style::LengthPercentage::Points(10f32),
48                    bottom: taffy::style::LengthPercentage::Points(30f32),
49                },
50                ..Default::default()
51            },
52            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
53        )
54        .unwrap();
55    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
56    println!("\nComputed tree:");
57    taffy::debug::print_tree(&taffy, node);
58    println!();
59    let Layout { size, location, .. } = taffy.layout(node).unwrap();
60    assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 180f32, size.width);
61    assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 160f32, size.height);
62    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
63    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
64    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
65    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, size.width);
66    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, size.height);
67    assert_eq!(location.x, 195f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 195f32, location.x);
68    assert_eq!(location.y, -5f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), -5f32, location.y);
69    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
70    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, size.width);
71    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, size.height);
72    assert_eq!(location.x, -35f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), -35f32, location.x);
73    assert_eq!(location.y, 185f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 185f32, location.y);
74    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
75    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.width);
76    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
77    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, location.x);
78    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 10f32, location.y);
79    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
80    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.width);
81    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
82    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 80f32, location.x);
83    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 10f32, location.y);
84    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
85    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.width);
86    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.height);
87    assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 120f32, location.x);
88    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 10f32, location.y);
89    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
90    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
91    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
92    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, location.x);
93    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 50f32, location.y);
94    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
95    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.width);
96    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.height);
97    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node6.data(), 80f32, location.x);
98    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node6.data(), 50f32, location.y);
99    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
100    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.width);
101    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.height);
102    assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node7.data(), 120f32, location.x);
103    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node7.data(), 50f32, location.y);
104    let Layout { size, location, .. } = taffy.layout(node8).unwrap();
105    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.width);
106    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.height);
107    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, location.x);
108    assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node8.data(), 90f32, location.y);
109}