Fixes for aspect ratio and min/max sizes (#317)
1#[test]
2fn grid_margins_auto_margins_override_stretch() {
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.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
8 let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
9 let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
10 let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
11 let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
12 let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
13 let node6 = taffy
14 .new_leaf_with_measure(
15 taffy::style::Style {
16 align_self: Some(taffy::style::AlignSelf::Stretch),
17 justify_self: Some(taffy::style::JustifySelf::Stretch),
18 margin: taffy::geometry::Rect {
19 left: taffy::style::LengthPercentageAuto::Auto,
20 right: taffy::style::LengthPercentageAuto::Auto,
21 top: taffy::style::LengthPercentageAuto::Auto,
22 bottom: taffy::style::LengthPercentageAuto::Auto,
23 },
24 ..Default::default()
25 },
26 taffy::node::MeasureFunc::Raw(|known_dimensions, available_space| {
27 const TEXT: &str = "HH\u{200b}HH";
28 super::measure_standard_text(
29 known_dimensions,
30 available_space,
31 TEXT,
32 super::WritingMode::Horizontal,
33 None,
34 )
35 }),
36 )
37 .unwrap();
38 let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
39 let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
40 let node = taffy
41 .new_with_children(
42 taffy::style::Style {
43 display: taffy::style::Display::Grid,
44 grid_template_rows: vec![points(40f32), points(40f32), points(40f32)],
45 grid_template_columns: vec![points(40f32), points(40f32), points(40f32)],
46 padding: taffy::geometry::Rect {
47 left: taffy::style::LengthPercentage::Points(40f32),
48 right: taffy::style::LengthPercentage::Points(20f32),
49 top: taffy::style::LengthPercentage::Points(10f32),
50 bottom: taffy::style::LengthPercentage::Points(30f32),
51 },
52 ..Default::default()
53 },
54 &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
55 )
56 .unwrap();
57 taffy.compute_layout(node, taffy::geometry::Size::MAX_CONTENT).unwrap();
58 println!("\nComputed tree:");
59 taffy::debug::print_tree(&taffy, node);
60 println!();
61 let Layout { size, location, .. } = taffy.layout(node).unwrap();
62 assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node.data(), 180f32, size.width);
63 assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node.data(), 160f32, size.height);
64 assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.x);
65 assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node.data(), 0f32, location.y);
66 let Layout { size, location, .. } = taffy.layout(node0).unwrap();
67 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.width);
68 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, size.height);
69 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node0.data(), 40f32, location.x);
70 assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node0.data(), 10f32, location.y);
71 let Layout { size, location, .. } = taffy.layout(node1).unwrap();
72 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.width);
73 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1.data(), 40f32, size.height);
74 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node1.data(), 80f32, location.x);
75 assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node1.data(), 10f32, location.y);
76 let Layout { size, location, .. } = taffy.layout(node2).unwrap();
77 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.width);
78 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2.data(), 40f32, size.height);
79 assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node2.data(), 120f32, location.x);
80 assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node2.data(), 10f32, location.y);
81 let Layout { size, location, .. } = taffy.layout(node3).unwrap();
82 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.width);
83 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, size.height);
84 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node3.data(), 40f32, location.x);
85 assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node3.data(), 50f32, location.y);
86 let Layout { size, location, .. } = taffy.layout(node4).unwrap();
87 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.width);
88 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4.data(), 40f32, size.height);
89 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node4.data(), 80f32, location.x);
90 assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node4.data(), 50f32, location.y);
91 let Layout { size, location, .. } = taffy.layout(node5).unwrap();
92 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.width);
93 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5.data(), 40f32, size.height);
94 assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node5.data(), 120f32, location.x);
95 assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node5.data(), 50f32, location.y);
96 let Layout { size, location, .. } = taffy.layout(node6).unwrap();
97 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, size.width);
98 assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node6.data(), 10f32, size.height);
99 assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node6.data(), 40f32, location.x);
100 assert_eq!(location.y, 105f32, "y of node {:?}. Expected {}. Actual {}", node6.data(), 105f32, location.y);
101 let Layout { size, location, .. } = taffy.layout(node7).unwrap();
102 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.width);
103 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7.data(), 40f32, size.height);
104 assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node7.data(), 80f32, location.x);
105 assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node7.data(), 90f32, location.y);
106 let Layout { size, location, .. } = taffy.layout(node8).unwrap();
107 assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.width);
108 assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8.data(), 40f32, size.height);
109 assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node8.data(), 120f32, location.x);
110 assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node8.data(), 90f32, location.y);
111}