tawasuyu/taffy

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