tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn margin_auto_multiple_children_column__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, Layout};
6    let mut taffy = crate::new_test_tree();
7    let node0 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::from_length(50f32),
11                height: taffy::style::Dimension::from_length(50f32),
12            },
13            margin: taffy::geometry::Rect {
14                left: zero(),
15                right: zero(),
16                top: taffy::style::LengthPercentageAuto::AUTO,
17                bottom: zero(),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node1 = taffy
23        .new_leaf(taffy::style::Style {
24            size: taffy::geometry::Size {
25                width: taffy::style::Dimension::from_length(50f32),
26                height: taffy::style::Dimension::from_length(50f32),
27            },
28            margin: taffy::geometry::Rect {
29                left: zero(),
30                right: zero(),
31                top: taffy::style::LengthPercentageAuto::AUTO,
32                bottom: zero(),
33            },
34            ..Default::default()
35        })
36        .unwrap();
37    let node2 = taffy
38        .new_leaf(taffy::style::Style {
39            size: taffy::geometry::Size {
40                width: taffy::style::Dimension::from_length(50f32),
41                height: taffy::style::Dimension::from_length(50f32),
42            },
43            ..Default::default()
44        })
45        .unwrap();
46    let node = taffy
47        .new_with_children(
48            taffy::style::Style {
49                flex_direction: taffy::style::FlexDirection::Column,
50                align_items: Some(taffy::style::AlignItems::Center),
51                size: taffy::geometry::Size {
52                    width: taffy::style::Dimension::from_length(200f32),
53                    height: taffy::style::Dimension::from_length(200f32),
54                },
55                ..Default::default()
56            },
57            &[node0, node1, node2],
58        )
59        .unwrap();
60    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
61    println!("\nComputed tree:");
62    taffy.print_tree(node);
63    println!();
64    let layout = taffy.layout(node).unwrap();
65    let Layout { size, location, .. } = layout;
66    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, size.width);
67    assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node, 200f32, size.height);
68    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
69    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
70    let layout = taffy.layout(node0).unwrap();
71    let Layout { size, location, .. } = layout;
72    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
73    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
74    assert_eq!(location.x, 75f32, "x of node {:?}. Expected {}. Actual {}", node0, 75f32, location.x);
75    assert_eq!(location.y, 25f32, "y of node {:?}. Expected {}. Actual {}", node0, 25f32, location.y);
76    let layout = taffy.layout(node1).unwrap();
77    let Layout { size, location, .. } = layout;
78    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
79    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
80    assert_eq!(location.x, 75f32, "x of node {:?}. Expected {}. Actual {}", node1, 75f32, location.x);
81    assert_eq!(location.y, 100f32, "y of node {:?}. Expected {}. Actual {}", node1, 100f32, location.y);
82    let layout = taffy.layout(node2).unwrap();
83    let Layout { size, location, .. } = layout;
84    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node2, 50f32, size.width);
85    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node2, 50f32, size.height);
86    assert_eq!(location.x, 75f32, "x of node {:?}. Expected {}. Actual {}", node2, 75f32, location.x);
87    assert_eq!(location.y, 150f32, "y of node {:?}. Expected {}. Actual {}", node2, 150f32, location.y);
88}
89
90#[test]
91#[allow(non_snake_case)]
92fn margin_auto_multiple_children_column__content_box() {
93    #[allow(unused_imports)]
94    use taffy::{prelude::*, Layout};
95    let mut taffy = crate::new_test_tree();
96    let node0 = taffy
97        .new_leaf(taffy::style::Style {
98            box_sizing: taffy::style::BoxSizing::ContentBox,
99            size: taffy::geometry::Size {
100                width: taffy::style::Dimension::from_length(50f32),
101                height: taffy::style::Dimension::from_length(50f32),
102            },
103            margin: taffy::geometry::Rect {
104                left: zero(),
105                right: zero(),
106                top: taffy::style::LengthPercentageAuto::AUTO,
107                bottom: zero(),
108            },
109            ..Default::default()
110        })
111        .unwrap();
112    let node1 = taffy
113        .new_leaf(taffy::style::Style {
114            box_sizing: taffy::style::BoxSizing::ContentBox,
115            size: taffy::geometry::Size {
116                width: taffy::style::Dimension::from_length(50f32),
117                height: taffy::style::Dimension::from_length(50f32),
118            },
119            margin: taffy::geometry::Rect {
120                left: zero(),
121                right: zero(),
122                top: taffy::style::LengthPercentageAuto::AUTO,
123                bottom: zero(),
124            },
125            ..Default::default()
126        })
127        .unwrap();
128    let node2 = taffy
129        .new_leaf(taffy::style::Style {
130            box_sizing: taffy::style::BoxSizing::ContentBox,
131            size: taffy::geometry::Size {
132                width: taffy::style::Dimension::from_length(50f32),
133                height: taffy::style::Dimension::from_length(50f32),
134            },
135            ..Default::default()
136        })
137        .unwrap();
138    let node = taffy
139        .new_with_children(
140            taffy::style::Style {
141                box_sizing: taffy::style::BoxSizing::ContentBox,
142                flex_direction: taffy::style::FlexDirection::Column,
143                align_items: Some(taffy::style::AlignItems::Center),
144                size: taffy::geometry::Size {
145                    width: taffy::style::Dimension::from_length(200f32),
146                    height: taffy::style::Dimension::from_length(200f32),
147                },
148                ..Default::default()
149            },
150            &[node0, node1, node2],
151        )
152        .unwrap();
153    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
154    println!("\nComputed tree:");
155    taffy.print_tree(node);
156    println!();
157    let layout = taffy.layout(node).unwrap();
158    let Layout { size, location, .. } = layout;
159    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, size.width);
160    assert_eq!(size.height, 200f32, "height of node {:?}. Expected {}. Actual {}", node, 200f32, size.height);
161    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
162    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
163    let layout = taffy.layout(node0).unwrap();
164    let Layout { size, location, .. } = layout;
165    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
166    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
167    assert_eq!(location.x, 75f32, "x of node {:?}. Expected {}. Actual {}", node0, 75f32, location.x);
168    assert_eq!(location.y, 25f32, "y of node {:?}. Expected {}. Actual {}", node0, 25f32, location.y);
169    let layout = taffy.layout(node1).unwrap();
170    let Layout { size, location, .. } = layout;
171    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
172    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
173    assert_eq!(location.x, 75f32, "x of node {:?}. Expected {}. Actual {}", node1, 75f32, location.x);
174    assert_eq!(location.y, 100f32, "y of node {:?}. Expected {}. Actual {}", node1, 100f32, location.y);
175    let layout = taffy.layout(node2).unwrap();
176    let Layout { size, location, .. } = layout;
177    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node2, 50f32, size.width);
178    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node2, 50f32, size.height);
179    assert_eq!(location.x, 75f32, "x of node {:?}. Expected {}. Actual {}", node2, 75f32, location.x);
180    assert_eq!(location.y, 150f32, "y of node {:?}. Expected {}. Actual {}", node2, 150f32, location.y);
181}