tawasuyu/taffy

1#[test]
2fn gap_column_row_gap_wrapping() {
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            size: taffy::geometry::Size {
9                width: taffy::style::Dimension::Length(20f32),
10                height: taffy::style::Dimension::Length(20f32),
11            },
12            ..Default::default()
13        })
14        .unwrap();
15    let node1 = taffy
16        .new_leaf(taffy::style::Style {
17            size: taffy::geometry::Size {
18                width: taffy::style::Dimension::Length(20f32),
19                height: taffy::style::Dimension::Length(20f32),
20            },
21            ..Default::default()
22        })
23        .unwrap();
24    let node2 = taffy
25        .new_leaf(taffy::style::Style {
26            size: taffy::geometry::Size {
27                width: taffy::style::Dimension::Length(20f32),
28                height: taffy::style::Dimension::Length(20f32),
29            },
30            ..Default::default()
31        })
32        .unwrap();
33    let node3 = taffy
34        .new_leaf(taffy::style::Style {
35            size: taffy::geometry::Size {
36                width: taffy::style::Dimension::Length(20f32),
37                height: taffy::style::Dimension::Length(20f32),
38            },
39            ..Default::default()
40        })
41        .unwrap();
42    let node4 = taffy
43        .new_leaf(taffy::style::Style {
44            size: taffy::geometry::Size {
45                width: taffy::style::Dimension::Length(20f32),
46                height: taffy::style::Dimension::Length(20f32),
47            },
48            ..Default::default()
49        })
50        .unwrap();
51    let node5 = taffy
52        .new_leaf(taffy::style::Style {
53            size: taffy::geometry::Size {
54                width: taffy::style::Dimension::Length(20f32),
55                height: taffy::style::Dimension::Length(20f32),
56            },
57            ..Default::default()
58        })
59        .unwrap();
60    let node6 = taffy
61        .new_leaf(taffy::style::Style {
62            size: taffy::geometry::Size {
63                width: taffy::style::Dimension::Length(20f32),
64                height: taffy::style::Dimension::Length(20f32),
65            },
66            ..Default::default()
67        })
68        .unwrap();
69    let node7 = taffy
70        .new_leaf(taffy::style::Style {
71            size: taffy::geometry::Size {
72                width: taffy::style::Dimension::Length(20f32),
73                height: taffy::style::Dimension::Length(20f32),
74            },
75            ..Default::default()
76        })
77        .unwrap();
78    let node8 = taffy
79        .new_leaf(taffy::style::Style {
80            size: taffy::geometry::Size {
81                width: taffy::style::Dimension::Length(20f32),
82                height: taffy::style::Dimension::Length(20f32),
83            },
84            ..Default::default()
85        })
86        .unwrap();
87    let node = taffy
88        .new_with_children(
89            taffy::style::Style {
90                flex_wrap: taffy::style::FlexWrap::Wrap,
91                gap: taffy::geometry::Size {
92                    width: taffy::style::LengthPercentage::Length(10f32),
93                    height: taffy::style::LengthPercentage::Length(20f32),
94                },
95                size: taffy::geometry::Size { width: taffy::style::Dimension::Length(80f32), height: auto() },
96                ..Default::default()
97            },
98            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
99        )
100        .unwrap();
101    taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
102    println!("\nComputed tree:");
103    taffy::util::print_tree(&taffy, node);
104    println!();
105    let Layout { size, location, .. } = taffy.layout(node).unwrap();
106    assert_eq!(size.width, 80f32, "width of node {:?}. Expected {}. Actual {}", node, 80f32, size.width);
107    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
108    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
109    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
110    let Layout { size, location, .. } = taffy.layout(node0).unwrap();
111    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node0, 20f32, size.width);
112    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, size.height);
113    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
114    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
115    let Layout { size, location, .. } = taffy.layout(node1).unwrap();
116    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
117    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node1, 20f32, size.height);
118    assert_eq!(location.x, 30f32, "x of node {:?}. Expected {}. Actual {}", node1, 30f32, location.x);
119    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
120    let Layout { size, location, .. } = taffy.layout(node2).unwrap();
121    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node2, 20f32, size.width);
122    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node2, 20f32, size.height);
123    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node2, 60f32, location.x);
124    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
125    let Layout { size, location, .. } = taffy.layout(node3).unwrap();
126    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node3, 20f32, size.width);
127    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node3, 20f32, size.height);
128    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3, 0f32, location.x);
129    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node3, 40f32, location.y);
130    let Layout { size, location, .. } = taffy.layout(node4).unwrap();
131    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node4, 20f32, size.width);
132    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node4, 20f32, size.height);
133    assert_eq!(location.x, 30f32, "x of node {:?}. Expected {}. Actual {}", node4, 30f32, location.x);
134    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node4, 40f32, location.y);
135    let Layout { size, location, .. } = taffy.layout(node5).unwrap();
136    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node5, 20f32, size.width);
137    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node5, 20f32, size.height);
138    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node5, 60f32, location.x);
139    assert_eq!(location.y, 40f32, "y of node {:?}. Expected {}. Actual {}", node5, 40f32, location.y);
140    let Layout { size, location, .. } = taffy.layout(node6).unwrap();
141    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node6, 20f32, size.width);
142    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node6, 20f32, size.height);
143    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node6, 0f32, location.x);
144    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node6, 80f32, location.y);
145    let Layout { size, location, .. } = taffy.layout(node7).unwrap();
146    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node7, 20f32, size.width);
147    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node7, 20f32, size.height);
148    assert_eq!(location.x, 30f32, "x of node {:?}. Expected {}. Actual {}", node7, 30f32, location.x);
149    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node7, 80f32, location.y);
150    let Layout { size, location, .. } = taffy.layout(node8).unwrap();
151    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node8, 20f32, size.width);
152    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node8, 20f32, size.height);
153    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node8, 60f32, location.x);
154    assert_eq!(location.y, 80f32, "y of node {:?}. Expected {}. Actual {}", node8, 80f32, location.y);
155}