tawasuyu/taffy

1#[test]
2fn justify_content_row_min_width_and_margin() {
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 {
9                width: taffy::style::Dimension::Length(20f32),
10                height: taffy::style::Dimension::Length(20f32),
11            },
12            margin: taffy::geometry::Rect {
13                left: taffy::style::LengthPercentageAuto::Length(10f32),
14                right: zero(),
15                top: zero(),
16                bottom: zero(),
17            },
18            ..Default::default()
19        })
20        .unwrap();
21    let node = taffy
22        .new_with_children(
23            taffy::style::Style {
24                justify_content: Some(taffy::style::JustifyContent::Center),
25                min_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
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, 50f32, "width of node {:?}. Expected {}. Actual {}", node, 50f32, size.width);
38    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node, 20f32, 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, 20f32, "width of node {:?}. Expected {}. Actual {}", node0, 20f32, size.width);
62    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, size.height);
63    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node0, 20f32, location.x);
64    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, 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}