tawasuyu/taffy

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