tawasuyu/taffy

1#[test]
2fn grid_absolute_row_start() {
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            grid_row: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
10            inset: taffy::geometry::Rect {
11                left: taffy::style::LengthPercentageAuto::Length(4f32),
12                right: taffy::style::LengthPercentageAuto::Length(3f32),
13                top: taffy::style::LengthPercentageAuto::Length(1f32),
14                bottom: taffy::style::LengthPercentageAuto::Length(2f32),
15            },
16            ..Default::default()
17        })
18        .unwrap();
19    let node = taffy
20        .new_with_children(
21            taffy::style::Style {
22                display: taffy::style::Display::Grid,
23                grid_template_rows: vec![length(40f32), length(40f32), length(40f32)],
24                grid_template_columns: vec![length(40f32), length(40f32), length(40f32)],
25                padding: taffy::geometry::Rect {
26                    left: taffy::style::LengthPercentage::Length(40f32),
27                    right: taffy::style::LengthPercentage::Length(20f32),
28                    top: taffy::style::LengthPercentage::Length(10f32),
29                    bottom: taffy::style::LengthPercentage::Length(30f32),
30                },
31                ..Default::default()
32            },
33            &[node0],
34        )
35        .unwrap();
36    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
37    println!("\nComputed tree:");
38    taffy.print_tree(node);
39    println!();
40    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
41    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
42    assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node, 180f32, size.width);
43    assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node, 160f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
46    #[cfg(feature = "content_size")]
47    assert_eq!(
48        layout.scroll_width(),
49        0f32,
50        "scroll_width of node {:?}. Expected {}. Actual {}",
51        node,
52        0f32,
53        layout.scroll_width()
54    );
55    #[cfg(feature = "content_size")]
56    assert_eq!(
57        layout.scroll_height(),
58        0f32,
59        "scroll_height of node {:?}. Expected {}. Actual {}",
60        node,
61        0f32,
62        layout.scroll_height()
63    );
64    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
65    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
66    assert_eq!(size.width, 173f32, "width of node {:?}. Expected {}. Actual {}", node0, 173f32, size.width);
67    assert_eq!(size.height, 147f32, "height of node {:?}. Expected {}. Actual {}", node0, 147f32, size.height);
68    assert_eq!(location.x, 4f32, "x of node {:?}. Expected {}. Actual {}", node0, 4f32, location.x);
69    assert_eq!(location.y, 11f32, "y of node {:?}. Expected {}. Actual {}", node0, 11f32, location.y);
70    #[cfg(feature = "content_size")]
71    assert_eq!(
72        layout.scroll_width(),
73        0f32,
74        "scroll_width of node {:?}. Expected {}. Actual {}",
75        node0,
76        0f32,
77        layout.scroll_width()
78    );
79    #[cfg(feature = "content_size")]
80    assert_eq!(
81        layout.scroll_height(),
82        0f32,
83        "scroll_height of node {:?}. Expected {}. Actual {}",
84        node0,
85        0f32,
86        layout.scroll_height()
87    );
88}