tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_grow_within_constrained_max_width__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, Layout};
6    let mut taffy = crate::new_test_tree();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            flex_grow: 1f32,
10            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(20f32) },
11            ..Default::default()
12        })
13        .unwrap();
14    let node0 = taffy
15        .new_with_children(
16            taffy::style::Style {
17                max_size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(300f32), height: auto() },
18                ..Default::default()
19            },
20            &[node00],
21        )
22        .unwrap();
23    let node = taffy
24        .new_with_children(
25            taffy::style::Style {
26                flex_direction: taffy::style::FlexDirection::Column,
27                size: taffy::geometry::Size {
28                    width: taffy::style::Dimension::from_length(200f32),
29                    height: taffy::style::Dimension::from_length(100f32),
30                },
31                ..Default::default()
32            },
33            &[node0],
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, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, 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, 200f32, "width of node {:?}. Expected {}. Actual {}", node0, 200f32, size.width);
49    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, 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(node00).unwrap();
53    let Layout { size, location, .. } = layout;
54    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node00, 200f32, size.width);
55    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node00, 20f32, size.height);
56    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
57    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
58}
59
60#[test]
61#[allow(non_snake_case)]
62fn flex_grow_within_constrained_max_width__content_box() {
63    #[allow(unused_imports)]
64    use taffy::{prelude::*, Layout};
65    let mut taffy = crate::new_test_tree();
66    let node00 = taffy
67        .new_leaf(taffy::style::Style {
68            box_sizing: taffy::style::BoxSizing::ContentBox,
69            flex_grow: 1f32,
70            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::from_length(20f32) },
71            ..Default::default()
72        })
73        .unwrap();
74    let node0 = taffy
75        .new_with_children(
76            taffy::style::Style {
77                box_sizing: taffy::style::BoxSizing::ContentBox,
78                max_size: taffy::geometry::Size { width: taffy::style::Dimension::from_length(300f32), height: auto() },
79                ..Default::default()
80            },
81            &[node00],
82        )
83        .unwrap();
84    let node = taffy
85        .new_with_children(
86            taffy::style::Style {
87                box_sizing: taffy::style::BoxSizing::ContentBox,
88                flex_direction: taffy::style::FlexDirection::Column,
89                size: taffy::geometry::Size {
90                    width: taffy::style::Dimension::from_length(200f32),
91                    height: taffy::style::Dimension::from_length(100f32),
92                },
93                ..Default::default()
94            },
95            &[node0],
96        )
97        .unwrap();
98    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
99    println!("\nComputed tree:");
100    taffy.print_tree(node);
101    println!();
102    let layout = taffy.layout(node).unwrap();
103    let Layout { size, location, .. } = layout;
104    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, size.width);
105    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
106    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
107    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
108    let layout = taffy.layout(node0).unwrap();
109    let Layout { size, location, .. } = layout;
110    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node0, 200f32, size.width);
111    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, size.height);
112    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
113    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
114    let layout = taffy.layout(node00).unwrap();
115    let Layout { size, location, .. } = layout;
116    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node00, 200f32, size.width);
117    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node00, 20f32, size.height);
118    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
119    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
120}