tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn margin_auto_left_child_bigger_than_parent__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 {
10                width: taffy::style::Dimension::from_length(72f32),
11                height: taffy::style::Dimension::from_length(72f32),
12            },
13            margin: taffy::geometry::Rect {
14                left: taffy::style::LengthPercentageAuto::AUTO,
15                right: zero(),
16                top: zero(),
17                bottom: zero(),
18            },
19            ..Default::default()
20        })
21        .unwrap();
22    let node = taffy
23        .new_with_children(
24            taffy::style::Style {
25                justify_content: Some(taffy::style::JustifyContent::Center),
26                size: taffy::geometry::Size {
27                    width: taffy::style::Dimension::from_length(52f32),
28                    height: taffy::style::Dimension::from_length(52f32),
29                },
30                ..Default::default()
31            },
32            &[node0],
33        )
34        .unwrap();
35    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
36    println!("\nComputed tree:");
37    taffy.print_tree(node);
38    println!();
39    let layout = taffy.layout(node).unwrap();
40    let Layout { size, location, .. } = layout;
41    assert_eq!(size.width, 52f32, "width of node {:?}. Expected {}. Actual {}", node, 52f32, size.width);
42    assert_eq!(size.height, 52f32, "height of node {:?}. Expected {}. Actual {}", node, 52f32, size.height);
43    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
44    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
45    let layout = taffy.layout(node0).unwrap();
46    let Layout { size, location, .. } = layout;
47    assert_eq!(size.width, 52f32, "width of node {:?}. Expected {}. Actual {}", node0, 52f32, size.width);
48    assert_eq!(size.height, 72f32, "height of node {:?}. Expected {}. Actual {}", node0, 72f32, size.height);
49    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
50    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
51}
52
53#[test]
54#[allow(non_snake_case)]
55fn margin_auto_left_child_bigger_than_parent__content_box() {
56    #[allow(unused_imports)]
57    use taffy::{prelude::*, Layout};
58    let mut taffy = crate::new_test_tree();
59    let node0 = taffy
60        .new_leaf(taffy::style::Style {
61            box_sizing: taffy::style::BoxSizing::ContentBox,
62            size: taffy::geometry::Size {
63                width: taffy::style::Dimension::from_length(72f32),
64                height: taffy::style::Dimension::from_length(72f32),
65            },
66            margin: taffy::geometry::Rect {
67                left: taffy::style::LengthPercentageAuto::AUTO,
68                right: zero(),
69                top: zero(),
70                bottom: zero(),
71            },
72            ..Default::default()
73        })
74        .unwrap();
75    let node = taffy
76        .new_with_children(
77            taffy::style::Style {
78                box_sizing: taffy::style::BoxSizing::ContentBox,
79                justify_content: Some(taffy::style::JustifyContent::Center),
80                size: taffy::geometry::Size {
81                    width: taffy::style::Dimension::from_length(52f32),
82                    height: taffy::style::Dimension::from_length(52f32),
83                },
84                ..Default::default()
85            },
86            &[node0],
87        )
88        .unwrap();
89    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
90    println!("\nComputed tree:");
91    taffy.print_tree(node);
92    println!();
93    let layout = taffy.layout(node).unwrap();
94    let Layout { size, location, .. } = layout;
95    assert_eq!(size.width, 52f32, "width of node {:?}. Expected {}. Actual {}", node, 52f32, size.width);
96    assert_eq!(size.height, 52f32, "height of node {:?}. Expected {}. Actual {}", node, 52f32, size.height);
97    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
98    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
99    let layout = taffy.layout(node0).unwrap();
100    let Layout { size, location, .. } = layout;
101    assert_eq!(size.width, 52f32, "width of node {:?}. Expected {}. Actual {}", node0, 52f32, size.width);
102    assert_eq!(size.height, 72f32, "height of node {:?}. Expected {}. Actual {}", node0, 72f32, size.height);
103    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
104    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
105}