tawasuyu/taffy

1#[test]
2fn flex_column_relative_all_sides() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout, TaffyTree};
5    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
6    let node0 = taffy
7        .new_leaf(taffy::style::Style {
8            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(40f32), height: auto() },
9            inset: taffy::geometry::Rect {
10                left: taffy::style::LengthPercentageAuto::Length(10f32),
11                right: taffy::style::LengthPercentageAuto::Length(10f32),
12                top: taffy::style::LengthPercentageAuto::Length(10f32),
13                bottom: taffy::style::LengthPercentageAuto::Length(10f32),
14            },
15            ..Default::default()
16        })
17        .unwrap();
18    let node = taffy
19        .new_with_children(
20            taffy::style::Style {
21                flex_direction: taffy::style::FlexDirection::Column,
22                size: taffy::geometry::Size {
23                    width: taffy::style::Dimension::Length(100f32),
24                    height: taffy::style::Dimension::Length(100f32),
25                },
26                ..Default::default()
27            },
28            &[node0],
29        )
30        .unwrap();
31    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
32    println!("\nComputed tree:");
33    taffy.print_tree(node);
34    println!();
35    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
36    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
37    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
38    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
39    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
40    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
41    #[cfg(feature = "content_size")]
42    assert_eq!(
43        layout.scroll_width(),
44        0f32,
45        "scroll_width of node {:?}. Expected {}. Actual {}",
46        node,
47        0f32,
48        layout.scroll_width()
49    );
50    #[cfg(feature = "content_size")]
51    assert_eq!(
52        layout.scroll_height(),
53        0f32,
54        "scroll_height of node {:?}. Expected {}. Actual {}",
55        node,
56        0f32,
57        layout.scroll_height()
58    );
59    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
60    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
61    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0, 40f32, size.width);
62    assert_eq!(size.height, 0f32, "height of node {:?}. Expected {}. Actual {}", node0, 0f32, size.height);
63    assert_eq!(location.x, 10f32, "x of node {:?}. Expected {}. Actual {}", node0, 10f32, location.x);
64    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node0, 10f32, location.y);
65    #[cfg(feature = "content_size")]
66    assert_eq!(
67        layout.scroll_width(),
68        0f32,
69        "scroll_width of node {:?}. Expected {}. Actual {}",
70        node0,
71        0f32,
72        layout.scroll_width()
73    );
74    #[cfg(feature = "content_size")]
75    assert_eq!(
76        layout.scroll_height(),
77        0f32,
78        "scroll_height of node {:?}. Expected {}. Actual {}",
79        node0,
80        0f32,
81        layout.scroll_height()
82    );
83}