tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn align_flex_start_with_shrinking_children__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, Layout};
6    let mut taffy = crate::new_test_tree();
7    let node000 =
8        taffy.new_leaf(taffy::style::Style { flex_grow: 1f32, flex_shrink: 1f32, ..Default::default() }).unwrap();
9    let node00 = taffy
10        .new_with_children(taffy::style::Style { flex_grow: 1f32, flex_shrink: 1f32, ..Default::default() }, &[node000])
11        .unwrap();
12    let node0 = taffy
13        .new_with_children(
14            taffy::style::Style { align_items: Some(taffy::style::AlignItems::FlexStart), ..Default::default() },
15            &[node00],
16        )
17        .unwrap();
18    let node = taffy
19        .new_with_children(
20            taffy::style::Style {
21                size: taffy::geometry::Size {
22                    width: taffy::style::Dimension::from_length(500f32),
23                    height: taffy::style::Dimension::from_length(500f32),
24                },
25                ..Default::default()
26            },
27            &[node0],
28        )
29        .unwrap();
30    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
31    println!("\nComputed tree:");
32    taffy.print_tree(node);
33    println!();
34    let layout = taffy.layout(node).unwrap();
35    let Layout { size, location, .. } = layout;
36    assert_eq!(size.width, 500f32, "width of node {:?}. Expected {}. Actual {}", node, 500f32, size.width);
37    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node, 500f32, size.height);
38    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
39    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
40    let layout = taffy.layout(node0).unwrap();
41    let Layout { size, location, .. } = layout;
42    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
43    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node0, 500f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
46    let layout = taffy.layout(node00).unwrap();
47    let Layout { size, location, .. } = layout;
48    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00, 0f32, size.width);
49    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node00, 0f32, size.height);
50    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
51    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
52    let layout = taffy.layout(node000).unwrap();
53    let Layout { size, location, .. } = layout;
54    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node000, 0f32, size.width);
55    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node000, 0f32, size.height);
56    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node000, 0f32, location.x);
57    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node000, 0f32, location.y);
58}
59
60#[test]
61#[allow(non_snake_case)]
62fn align_flex_start_with_shrinking_children__content_box() {
63    #[allow(unused_imports)]
64    use taffy::{prelude::*, Layout};
65    let mut taffy = crate::new_test_tree();
66    let node000 = taffy
67        .new_leaf(taffy::style::Style {
68            box_sizing: taffy::style::BoxSizing::ContentBox,
69            flex_grow: 1f32,
70            flex_shrink: 1f32,
71            ..Default::default()
72        })
73        .unwrap();
74    let node00 = taffy
75        .new_with_children(
76            taffy::style::Style {
77                box_sizing: taffy::style::BoxSizing::ContentBox,
78                flex_grow: 1f32,
79                flex_shrink: 1f32,
80                ..Default::default()
81            },
82            &[node000],
83        )
84        .unwrap();
85    let node0 = taffy
86        .new_with_children(
87            taffy::style::Style {
88                box_sizing: taffy::style::BoxSizing::ContentBox,
89                align_items: Some(taffy::style::AlignItems::FlexStart),
90                ..Default::default()
91            },
92            &[node00],
93        )
94        .unwrap();
95    let node = taffy
96        .new_with_children(
97            taffy::style::Style {
98                box_sizing: taffy::style::BoxSizing::ContentBox,
99                size: taffy::geometry::Size {
100                    width: taffy::style::Dimension::from_length(500f32),
101                    height: taffy::style::Dimension::from_length(500f32),
102                },
103                ..Default::default()
104            },
105            &[node0],
106        )
107        .unwrap();
108    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
109    println!("\nComputed tree:");
110    taffy.print_tree(node);
111    println!();
112    let layout = taffy.layout(node).unwrap();
113    let Layout { size, location, .. } = layout;
114    assert_eq!(size.width, 500f32, "width of node {:?}. Expected {}. Actual {}", node, 500f32, size.width);
115    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node, 500f32, size.height);
116    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
117    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
118    let layout = taffy.layout(node0).unwrap();
119    let Layout { size, location, .. } = layout;
120    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
121    assert_eq!(size.height, 500f32, "height of node {:?}. Expected {}. Actual {}", node0, 500f32, size.height);
122    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
123    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
124    let layout = taffy.layout(node00).unwrap();
125    let Layout { size, location, .. } = layout;
126    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node00, 0f32, size.width);
127    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node00, 0f32, size.height);
128    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
129    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
130    let layout = taffy.layout(node000).unwrap();
131    let Layout { size, location, .. } = layout;
132    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node000, 0f32, size.width);
133    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node000, 0f32, size.height);
134    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node000, 0f32, location.x);
135    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node000, 0f32, location.y);
136}