tawasuyu/taffy

1#[test]
2fn absolute_layout_justify_content_center() {
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            position: taffy::style::Position::Absolute,
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Length(60f32),
11                height: taffy::style::Dimension::Length(40f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node = taffy
17        .new_with_children(
18            taffy::style::Style {
19                justify_content: Some(taffy::style::JustifyContent::Center),
20                size: taffy::geometry::Size {
21                    width: taffy::style::Dimension::Length(110f32),
22                    height: taffy::style::Dimension::Length(100f32),
23                },
24                ..Default::default()
25            },
26            &[node0],
27        )
28        .unwrap();
29    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
30    println!("\nComputed tree:");
31    taffy.print_tree(node);
32    println!();
33    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
34    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
35    assert_eq!(size.width, 110f32, "width of node {:?}. Expected {}. Actual {}", node, 110f32, size.width);
36    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
37    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
38    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
39    #[cfg(feature = "content_size")]
40    assert_eq!(
41        layout.scroll_width(),
42        0f32,
43        "scroll_width of node {:?}. Expected {}. Actual {}",
44        node,
45        0f32,
46        layout.scroll_width()
47    );
48    #[cfg(feature = "content_size")]
49    assert_eq!(
50        layout.scroll_height(),
51        0f32,
52        "scroll_height of node {:?}. Expected {}. Actual {}",
53        node,
54        0f32,
55        layout.scroll_height()
56    );
57    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
58    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
59    assert_eq!(size.width, 60f32, "width of node {:?}. Expected {}. Actual {}", node0, 60f32, size.width);
60    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0, 40f32, size.height);
61    assert_eq!(location.x, 25f32, "x of node {:?}. Expected {}. Actual {}", node0, 25f32, location.x);
62    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
63    #[cfg(feature = "content_size")]
64    assert_eq!(
65        layout.scroll_width(),
66        0f32,
67        "scroll_width of node {:?}. Expected {}. Actual {}",
68        node0,
69        0f32,
70        layout.scroll_width()
71    );
72    #[cfg(feature = "content_size")]
73    assert_eq!(
74        layout.scroll_height(),
75        0f32,
76        "scroll_height of node {:?}. Expected {}. Actual {}",
77        node0,
78        0f32,
79        layout.scroll_height()
80    );
81}