1#[test]
2fn absolute_child_with_cross_margin() {
3 use slotmap::Key;
4 #[allow(unused_imports)]
5 use taffy::{layout::Layout, prelude::*};
6 let mut taffy = taffy::Taffy::new();
7 let node0 = taffy
8 .new_leaf(taffy::style::Style {
9 align_content: Some(taffy::style::AlignContent::Stretch),
10 size: taffy::geometry::Size {
11 width: taffy::style::Dimension::Points(28f32),
12 height: taffy::style::Dimension::Points(27f32),
13 },
14 ..Default::default()
15 })
16 .unwrap();
17 let node1 = taffy
18 .new_leaf_with_measure(
19 taffy::style::Style {
20 position: taffy::style::Position::Absolute,
21 align_content: Some(taffy::style::AlignContent::Stretch),
22 flex_grow: 0f32,
23 flex_shrink: 1f32,
24 size: taffy::geometry::Size {
25 width: taffy::style::Dimension::Percent(1f32),
26 height: taffy::style::Dimension::Points(15f32),
27 },
28 margin: taffy::geometry::Rect {
29 left: zero(),
30 right: zero(),
31 top: taffy::style::LengthPercentageAuto::Points(4f32),
32 bottom: zero(),
33 },
34 ..Default::default()
35 },
36 taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
37 const TEXT: &str = "\n ";
38 super::measure_standard_text(
39 known_dimensions,
40 available_space,
41 TEXT,
42 super::WritingMode::Horizontal,
43 None,
44 )
45 }),
46 )
47 .unwrap();
48 let node2 = taffy
49 .new_leaf(taffy::style::Style {
50 align_content: Some(taffy::style::AlignContent::Stretch),
51 size: taffy::geometry::Size {
52 width: taffy::style::Dimension::Points(25f32),
53 height: taffy::style::Dimension::Points(27f32),
54 },
55 ..Default::default()
56 })
57 .unwrap();
58 let node = taffy
59 .new_with_children(
60 taffy::style::Style {
61 justify_content: Some(taffy::style::JustifyContent::SpaceBetween),
62 min_size: taffy::geometry::Size {
63 width: taffy::style::Dimension::Points(311f32),
64 height: taffy::style::Dimension::Points(0f32),
65 },
66 max_size: taffy::geometry::Size {
67 width: taffy::style::Dimension::Points(311f32),
68 height: taffy::style::Dimension::Points(36893500000000000000f32),
69 },
70 ..Default::default()
71 },
72 &[node0, node1, node2],
73 )
74 .unwrap();
75 taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
76 println!("\nComputed tree:");
77 taffy::debug::print_tree(&taffy, node);
78 println!();
79 let Layout { size, location, .. } = taffy.layout(node).unwrap();
80 assert_eq!(size.width, 311f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 311f32, size.width);
81 assert_eq!(size.height, 27f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 27f32, size.height);
82 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
83 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
84 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
85 assert_eq!(size.width, 28f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 28f32, size.width);
86 assert_eq!(size.height, 27f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 27f32, size.height);
87 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.x);
88 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 0f32, location.y);
89 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
90 assert_eq!(size.width, 311f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 311f32, size.width);
91 assert_eq!(size.height, 15f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 15f32, size.height);
92 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 0f32, location.x);
93 assert_eq!(location.y, 4f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 4f32, location.y);
94 let Layout { size, location, .. } = taffy.layout(node2).unwrap();
95 assert_eq!(size.width, 25f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 25f32, size.width);
96 assert_eq!(size.height, 27f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 27f32, size.height);
97 assert_eq!(location.x, 286f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 286f32, location.x);
98 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 0f32, location.y);
99}