tawasuyu/taffy

1#[test]
2fn grid_margins_auto_margins() {
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.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
8    let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
9    let node2 = taffy
10        .new_leaf(taffy::style::Style {
11            justify_self: Some(taffy::style::JustifySelf::Start),
12            size: taffy::geometry::Size { width: taffy::style::Dimension::Points(20f32), height: auto() },
13            margin: taffy::geometry::Rect {
14                left: taffy::style::LengthPercentageAuto::Auto,
15                right: taffy::style::LengthPercentageAuto::Auto,
16                top: taffy::style::LengthPercentageAuto::Points(0f32),
17                bottom: taffy::style::LengthPercentageAuto::Points(0f32),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
23    let node4 = taffy
24        .new_leaf(taffy::style::Style {
25            align_self: Some(taffy::style::AlignSelf::Start),
26            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Points(20f32) },
27            margin: taffy::geometry::Rect {
28                left: taffy::style::LengthPercentageAuto::Points(0f32),
29                right: taffy::style::LengthPercentageAuto::Points(0f32),
30                top: taffy::style::LengthPercentageAuto::Auto,
31                bottom: taffy::style::LengthPercentageAuto::Auto,
32            },
33            ..Default::default()
34        })
35        .unwrap();
36    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
37    let node6 = taffy
38        .new_leaf(taffy::style::Style {
39            align_self: Some(taffy::style::AlignSelf::Start),
40            justify_self: Some(taffy::style::JustifySelf::Start),
41            size: taffy::geometry::Size {
42                width: taffy::style::Dimension::Points(20f32),
43                height: taffy::style::Dimension::Points(20f32),
44            },
45            margin: taffy::geometry::Rect {
46                left: taffy::style::LengthPercentageAuto::Auto,
47                right: taffy::style::LengthPercentageAuto::Auto,
48                top: taffy::style::LengthPercentageAuto::Auto,
49                bottom: taffy::style::LengthPercentageAuto::Auto,
50            },
51            ..Default::default()
52        })
53        .unwrap();
54    let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
55    let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
56    let node = taffy
57        .new_with_children(
58            taffy::style::Style {
59                display: taffy::style::Display::Grid,
60                grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
61                grid_template_columns: vec![points(40f32), points(40f32), points(40f32)],
62                padding: taffy::geometry::Rect {
63                    left: taffy::style::LengthPercentage::Points(40f32),
64                    right: taffy::style::LengthPercentage::Points(20f32),
65                    top: taffy::style::LengthPercentage::Points(10f32),
66                    bottom: taffy::style::LengthPercentage::Points(30f32),
67                },
68                ..Default::default()
69            },
70            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
71        )
72        .unwrap();
73    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
74    println!("\nComputed tree:");
75    taffy::debug::print_tree(&taffy, node);
76    println!();
77    let Layout { size, location, .. } = taffy.layout(node).unwrap();
78    assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 180f32, size.width);
79    assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 160f32, size.height);
80    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
81    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
82    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
83    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
84    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
85    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, location.x);
86    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, location.y);
87    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
88    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.width);
89    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.height);
90    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 80f32, location.x);
91    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 10f32, location.y);
92    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
93    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 20f32, size.width);
94    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
95    assert_eq!(location.x, 130f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 130f32, location.x);
96    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 10f32, location.y);
97    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
98    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.width);
99    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
100    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.x);
101    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 50f32, location.y);
102    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
103    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.width);
104    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 20f32, size.height);
105    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 80f32, location.x);
106    assert_eq!(location.y, 60f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 60f32, location.y);
107    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
108    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
109    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
110    assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 120f32, location.x);
111    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 50f32, location.y);
112    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
113    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node6.data(), 20f32, size.width);
114    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node6.data(), 20f32, size.height);
115    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node6.data(), 50f32, location.x);
116    assert_eq!(location.y, 100f32, "y of node {:?}. Expected {}. Actual {}", node6.data(), 100f32, location.y);
117    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
118    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.width);
119    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.height);
120    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node7.data(), 80f32, location.x);
121    assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node7.data(), 90f32, location.y);
122    let Layout { size, location, .. } = taffy.layout(node8).unwrap();
123    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.width);
124    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.height);
125    assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node8.data(), 120f32, location.x);
126    assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node8.data(), 90f32, location.y);
127}