tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn percent_within_flex_grow__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 { width: taffy::style::Dimension::from_length(100f32), height: auto() },
10            ..Default::default()
11        })
12        .unwrap();
13    let node10 = taffy
14        .new_leaf(taffy::style::Style {
15            size: taffy::geometry::Size { width: taffy::style::Dimension::from_percent(1f32), height: auto() },
16            ..Default::default()
17        })
18        .unwrap();
19    let node1 = taffy
20        .new_with_children(
21            taffy::style::Style {
22                flex_direction: taffy::style::FlexDirection::Column,
23                flex_grow: 1f32,
24                ..Default::default()
25            },
26            &[node10],
27        )
28        .unwrap();
29    let node2 = taffy
30        .new_leaf(taffy::style::Style {
31            size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(100f32), height: auto() },
32            ..Default::default()
33        })
34        .unwrap();
35    let node = taffy
36        .new_with_children(
37            taffy::style::Style {
38                size: taffy::geometry::Size {
39                    width: taffy::style::Dimension::from_length(350f32),
40                    height: taffy::style::Dimension::from_length(100f32),
41                },
42                ..Default::default()
43            },
44            &[node0, node1, node2],
45        )
46        .unwrap();
47    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
48    println!("\nComputed tree:");
49    taffy.print_tree(node);
50    println!();
51    let layout = taffy.layout(node).unwrap();
52    let Layout { size, location, .. } = layout;
53    assert_eq!(size.width, 350f32, "width of node {:?}. Expected {}. Actual {}", node, 350f32, size.width);
54    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
55    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
56    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
57    let layout = taffy.layout(node0).unwrap();
58    let Layout { size, location, .. } = layout;
59    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
60    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
61    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
62    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
63    let layout = taffy.layout(node1).unwrap();
64    let Layout { size, location, .. } = layout;
65    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node1, 150f32, size.width);
66    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1, 100f32, size.height);
67    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node1, 100f32, location.x);
68    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
69    let layout = taffy.layout(node10).unwrap();
70    let Layout { size, location, .. } = layout;
71    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node10, 150f32, size.width);
72    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node10, 0f32, size.height);
73    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node10, 0f32, location.x);
74    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node10, 0f32, location.y);
75    let layout = taffy.layout(node2).unwrap();
76    let Layout { size, location, .. } = layout;
77    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node2, 100f32, size.width);
78    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node2, 100f32, size.height);
79    assert_eq!(location.x, 250f32, "x of node {:?}. Expected {}. Actual {}", node2, 250f32, location.x);
80    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
81}
82
83#[test]
84#[allow(non_snake_case)]
85fn percent_within_flex_grow__content_box() {
86    #[allow(unused_imports)]
87    use taffy::{prelude::*, Layout};
88    let mut taffy = crate::new_test_tree();
89    let node0 = taffy
90        .new_leaf(taffy::style::Style {
91            box_sizing: taffy::style::BoxSizing::ContentBox,
92            size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(100f32), height: auto() },
93            ..Default::default()
94        })
95        .unwrap();
96    let node10 = taffy
97        .new_leaf(taffy::style::Style {
98            box_sizing: taffy::style::BoxSizing::ContentBox,
99            size: taffy::geometry::Size { width: taffy::style::Dimension::from_percent(1f32), height: auto() },
100            ..Default::default()
101        })
102        .unwrap();
103    let node1 = taffy
104        .new_with_children(
105            taffy::style::Style {
106                box_sizing: taffy::style::BoxSizing::ContentBox,
107                flex_direction: taffy::style::FlexDirection::Column,
108                flex_grow: 1f32,
109                ..Default::default()
110            },
111            &[node10],
112        )
113        .unwrap();
114    let node2 = taffy
115        .new_leaf(taffy::style::Style {
116            box_sizing: taffy::style::BoxSizing::ContentBox,
117            size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(100f32), height: auto() },
118            ..Default::default()
119        })
120        .unwrap();
121    let node = taffy
122        .new_with_children(
123            taffy::style::Style {
124                box_sizing: taffy::style::BoxSizing::ContentBox,
125                size: taffy::geometry::Size {
126                    width: taffy::style::Dimension::from_length(350f32),
127                    height: taffy::style::Dimension::from_length(100f32),
128                },
129                ..Default::default()
130            },
131            &[node0, node1, node2],
132        )
133        .unwrap();
134    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
135    println!("\nComputed tree:");
136    taffy.print_tree(node);
137    println!();
138    let layout = taffy.layout(node).unwrap();
139    let Layout { size, location, .. } = layout;
140    assert_eq!(size.width, 350f32, "width of node {:?}. Expected {}. Actual {}", node, 350f32, size.width);
141    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
142    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
143    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
144    let layout = taffy.layout(node0).unwrap();
145    let Layout { size, location, .. } = layout;
146    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
147    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
148    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
149    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
150    let layout = taffy.layout(node1).unwrap();
151    let Layout { size, location, .. } = layout;
152    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node1, 150f32, size.width);
153    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1, 100f32, size.height);
154    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node1, 100f32, location.x);
155    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
156    let layout = taffy.layout(node10).unwrap();
157    let Layout { size, location, .. } = layout;
158    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node10, 150f32, size.width);
159    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node10, 0f32, size.height);
160    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node10, 0f32, location.x);
161    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node10, 0f32, location.y);
162    let layout = taffy.layout(node2).unwrap();
163    let Layout { size, location, .. } = layout;
164    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node2, 100f32, size.width);
165    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node2, 100f32, size.height);
166    assert_eq!(location.x, 250f32, "x of node {:?}. Expected {}. Actual {}", node2, 250f32, location.x);
167    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
168}