tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn child_min_max_width_flexing__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            flex_grow: 1f32,
10            flex_shrink: 0f32,
11            flex_basis: taffy::style::Dimension::from_length(0f32),
12            min_size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(60f32), height: auto() },
13            ..Default::default()
14        })
15        .unwrap();
16    let node1 = taffy
17        .new_leaf(taffy::style::Style {
18            flex_grow: 1f32,
19            flex_shrink: 0f32,
20            flex_basis: taffy::style::Dimension::from_percent(0.5f32),
21            max_size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(20f32), 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                size: taffy::geometry::Size {
30                    width: taffy::style::Dimension::from_length(120f32),
31                    height: taffy::style::Dimension::from_length(50f32),
32                },
33                ..Default::default()
34            },
35            &[node0, node1],
36        )
37        .unwrap();
38    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
39    println!("\nComputed tree:");
40    taffy.print_tree(node);
41    println!();
42    let layout = taffy.layout(node).unwrap();
43    let Layout { size, location, .. } = layout;
44    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node, 120f32, size.width);
45    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node, 50f32, size.height);
46    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
47    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
48    let layout = taffy.layout(node0).unwrap();
49    let Layout { size, location, .. } = layout;
50    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
51    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
54    let layout = taffy.layout(node1).unwrap();
55    let Layout { size, location, .. } = layout;
56    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
57    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
58    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node1, 100f32, location.x);
59    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
60}
61
62#[test]
63#[allow(non_snake_case)]
64fn child_min_max_width_flexing__content_box() {
65    #[allow(unused_imports)]
66    use taffy::{prelude::*, Layout};
67    let mut taffy = crate::new_test_tree();
68    let node0 = taffy
69        .new_leaf(taffy::style::Style {
70            box_sizing: taffy::style::BoxSizing::ContentBox,
71            flex_grow: 1f32,
72            flex_shrink: 0f32,
73            flex_basis: taffy::style::Dimension::from_length(0f32),
74            min_size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(60f32), height: auto() },
75            ..Default::default()
76        })
77        .unwrap();
78    let node1 = taffy
79        .new_leaf(taffy::style::Style {
80            box_sizing: taffy::style::BoxSizing::ContentBox,
81            flex_grow: 1f32,
82            flex_shrink: 0f32,
83            flex_basis: taffy::style::Dimension::from_percent(0.5f32),
84            max_size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(20f32), height: auto() },
85            ..Default::default()
86        })
87        .unwrap();
88    let node = taffy
89        .new_with_children(
90            taffy::style::Style {
91                box_sizing: taffy::style::BoxSizing::ContentBox,
92                align_items: Some(taffy::style::AlignItems::Stretch),
93                size: taffy::geometry::Size {
94                    width: taffy::style::Dimension::from_length(120f32),
95                    height: taffy::style::Dimension::from_length(50f32),
96                },
97                ..Default::default()
98            },
99            &[node0, node1],
100        )
101        .unwrap();
102    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
103    println!("\nComputed tree:");
104    taffy.print_tree(node);
105    println!();
106    let layout = taffy.layout(node).unwrap();
107    let Layout { size, location, .. } = layout;
108    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node, 120f32, size.width);
109    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node, 50f32, size.height);
110    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
111    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
112    let layout = taffy.layout(node0).unwrap();
113    let Layout { size, location, .. } = layout;
114    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
115    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
116    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
117    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
118    let layout = taffy.layout(node1).unwrap();
119    let Layout { size, location, .. } = layout;
120    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
121    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
122    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node1, 100f32, location.x);
123    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
124}