tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn measure_remeasure_child_after_growing__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(50f32),
11                height: taffy::style::Dimension::from_length(50f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node1 = taffy
17        .new_leaf_with_context(
18            taffy::style::Style { ..Default::default() },
19            crate::TestNodeContext::ahem_text("HH", crate::WritingMode::Horizontal),
20        )
21        .unwrap();
22    let node = taffy
23        .new_with_children(
24            taffy::style::Style {
25                align_items: Some(taffy::style::AlignItems::Start),
26                size: taffy::geometry::Size {
27                    width: taffy::style::Dimension::from_length(100f32),
28                    height: taffy::style::Dimension::AUTO,
29                },
30                ..Default::default()
31            },
32            &[node0, node1],
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, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
42    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node, 50f32, 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, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
48    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, 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    let layout = taffy.layout(node1).unwrap();
52    let Layout { size, location, .. } = layout;
53    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
54    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node1, 10f32, size.height);
55    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1, 50f32, location.x);
56    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
57}
58
59#[test]
60#[allow(non_snake_case)]
61fn measure_remeasure_child_after_growing__content_box() {
62    #[allow(unused_imports)]
63    use taffy::{prelude::*, Layout};
64    let mut taffy = crate::new_test_tree();
65    let node0 = taffy
66        .new_leaf(taffy::style::Style {
67            box_sizing: taffy::style::BoxSizing::ContentBox,
68            size: taffy::geometry::Size {
69                width: taffy::style::Dimension::from_length(50f32),
70                height: taffy::style::Dimension::from_length(50f32),
71            },
72            ..Default::default()
73        })
74        .unwrap();
75    let node1 = taffy
76        .new_leaf_with_context(
77            taffy::style::Style { box_sizing: taffy::style::BoxSizing::ContentBox, ..Default::default() },
78            crate::TestNodeContext::ahem_text("HH", crate::WritingMode::Horizontal),
79        )
80        .unwrap();
81    let node = taffy
82        .new_with_children(
83            taffy::style::Style {
84                box_sizing: taffy::style::BoxSizing::ContentBox,
85                align_items: Some(taffy::style::AlignItems::Start),
86                size: taffy::geometry::Size {
87                    width: taffy::style::Dimension::from_length(100f32),
88                    height: taffy::style::Dimension::AUTO,
89                },
90                ..Default::default()
91            },
92            &[node0, node1],
93        )
94        .unwrap();
95    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
96    println!("\nComputed tree:");
97    taffy.print_tree(node);
98    println!();
99    let layout = taffy.layout(node).unwrap();
100    let Layout { size, location, .. } = layout;
101    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
102    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node, 50f32, size.height);
103    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
104    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
105    let layout = taffy.layout(node0).unwrap();
106    let Layout { size, location, .. } = layout;
107    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
108    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
109    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
110    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
111    let layout = taffy.layout(node1).unwrap();
112    let Layout { size, location, .. } = layout;
113    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
114    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node1, 10f32, size.height);
115    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1, 50f32, location.x);
116    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
117}