tawasuyu/taffy

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