tawasuyu/taffy

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