tawasuyu/taffy

1#[test]
2fn rounding_inner_node_controversy_vertical() {
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            flex_grow: 1f32,
9            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(10f32), height: auto() },
10            ..Default::default()
11        })
12        .unwrap();
13    let node10 = taffy
14        .new_leaf(taffy::style::Style {
15            flex_grow: 1f32,
16            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(10f32), height: auto() },
17            ..Default::default()
18        })
19        .unwrap();
20    let node1 = taffy
21        .new_with_children(
22            taffy::style::Style {
23                flex_direction: taffy::style::FlexDirection::Column,
24                flex_grow: 1f32,
25                size: taffy::geometry::Size { width: taffy::style::Dimension::Length(10f32), height: auto() },
26                ..Default::default()
27            },
28            &[node10],
29        )
30        .unwrap();
31    let node2 = taffy
32        .new_leaf(taffy::style::Style {
33            flex_grow: 1f32,
34            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(10f32), height: auto() },
35            ..Default::default()
36        })
37        .unwrap();
38    let node = taffy
39        .new_with_children(
40            taffy::style::Style {
41                flex_direction: taffy::style::FlexDirection::Column,
42                size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(320f32) },
43                ..Default::default()
44            },
45            &[node0, node1, node2],
46        )
47        .unwrap();
48    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
49    println!("\nComputed tree:");
50    taffy.print_tree(node);
51    println!();
52    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
53    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
54    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node, 10f32, size.width);
55    assert_eq!(size.height, 320f32, "height of node {:?}. Expected {}. Actual {}", node, 320f32, size.height);
56    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
57    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
58    #[cfg(feature = "content_size")]
59    assert_eq!(
60        layout.scroll_width(),
61        0f32,
62        "scroll_width of node {:?}. Expected {}. Actual {}",
63        node,
64        0f32,
65        layout.scroll_width()
66    );
67    #[cfg(feature = "content_size")]
68    assert_eq!(
69        layout.scroll_height(),
70        0f32,
71        "scroll_height of node {:?}. Expected {}. Actual {}",
72        node,
73        0f32,
74        layout.scroll_height()
75    );
76    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
77    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
78    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node0, 10f32, size.width);
79    assert_eq!(size.height, 107f32, "height of node {:?}. Expected {}. Actual {}", node0, 107f32, size.height);
80    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
81    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
82    #[cfg(feature = "content_size")]
83    assert_eq!(
84        layout.scroll_width(),
85        0f32,
86        "scroll_width of node {:?}. Expected {}. Actual {}",
87        node0,
88        0f32,
89        layout.scroll_width()
90    );
91    #[cfg(feature = "content_size")]
92    assert_eq!(
93        layout.scroll_height(),
94        0f32,
95        "scroll_height of node {:?}. Expected {}. Actual {}",
96        node0,
97        0f32,
98        layout.scroll_height()
99    );
100    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
101    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
102    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node1, 10f32, size.width);
103    assert_eq!(size.height, 106f32, "height of node {:?}. Expected {}. Actual {}", node1, 106f32, size.height);
104    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
105    assert_eq!(location.y, 107f32, "y of node {:?}. Expected {}. Actual {}", node1, 107f32, location.y);
106    #[cfg(feature = "content_size")]
107    assert_eq!(
108        layout.scroll_width(),
109        0f32,
110        "scroll_width of node {:?}. Expected {}. Actual {}",
111        node1,
112        0f32,
113        layout.scroll_width()
114    );
115    #[cfg(feature = "content_size")]
116    assert_eq!(
117        layout.scroll_height(),
118        0f32,
119        "scroll_height of node {:?}. Expected {}. Actual {}",
120        node1,
121        0f32,
122        layout.scroll_height()
123    );
124    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
125    let layout @ Layout { size, location, .. } = taffy.layout(node10).unwrap();
126    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node10, 10f32, size.width);
127    assert_eq!(size.height, 106f32, "height of node {:?}. Expected {}. Actual {}", node10, 106f32, size.height);
128    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node10, 0f32, location.x);
129    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node10, 0f32, location.y);
130    #[cfg(feature = "content_size")]
131    assert_eq!(
132        layout.scroll_width(),
133        0f32,
134        "scroll_width of node {:?}. Expected {}. Actual {}",
135        node10,
136        0f32,
137        layout.scroll_width()
138    );
139    #[cfg(feature = "content_size")]
140    assert_eq!(
141        layout.scroll_height(),
142        0f32,
143        "scroll_height of node {:?}. Expected {}. Actual {}",
144        node10,
145        0f32,
146        layout.scroll_height()
147    );
148    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
149    let layout @ Layout { size, location, .. } = taffy.layout(node2).unwrap();
150    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node2, 10f32, size.width);
151    assert_eq!(size.height, 107f32, "height of node {:?}. Expected {}. Actual {}", node2, 107f32, size.height);
152    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node2, 0f32, location.x);
153    assert_eq!(location.y, 213f32, "y of node {:?}. Expected {}. Actual {}", node2, 213f32, location.y);
154    #[cfg(feature = "content_size")]
155    assert_eq!(
156        layout.scroll_width(),
157        0f32,
158        "scroll_width of node {:?}. Expected {}. Actual {}",
159        node2,
160        0f32,
161        layout.scroll_width()
162    );
163    #[cfg(feature = "content_size")]
164    assert_eq!(
165        layout.scroll_height(),
166        0f32,
167        "scroll_height of node {:?}. Expected {}. Actual {}",
168        node2,
169        0f32,
170        layout.scroll_height()
171    );
172}