tawasuyu/taffy

1#[test]
2fn align_content_stretch_row() {
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            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
9            ..Default::default()
10        })
11        .unwrap();
12    let node1 = taffy
13        .new_leaf(taffy::style::Style {
14            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
15            ..Default::default()
16        })
17        .unwrap();
18    let node2 = taffy
19        .new_leaf(taffy::style::Style {
20            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
21            ..Default::default()
22        })
23        .unwrap();
24    let node3 = taffy
25        .new_leaf(taffy::style::Style {
26            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
27            ..Default::default()
28        })
29        .unwrap();
30    let node4 = taffy
31        .new_leaf(taffy::style::Style {
32            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
33            ..Default::default()
34        })
35        .unwrap();
36    let node = taffy
37        .new_with_children(
38            taffy::style::Style {
39                flex_wrap: taffy::style::FlexWrap::Wrap,
40                align_content: Some(taffy::style::AlignContent::Stretch),
41                size: taffy::geometry::Size {
42                    width: taffy::style::Dimension::Length(150f32),
43                    height: taffy::style::Dimension::Length(100f32),
44                },
45                ..Default::default()
46            },
47            &[node0, node1, node2, node3, node4],
48        )
49        .unwrap();
50    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
51    println!("\nComputed tree:");
52    taffy.print_tree(node);
53    println!();
54    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
55    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
56    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node, 150f32, size.width);
57    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
58    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
59    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
60    #[cfg(feature = "content_size")]
61    assert_eq!(
62        layout.scroll_width(),
63        0f32,
64        "scroll_width of node {:?}. Expected {}. Actual {}",
65        node,
66        0f32,
67        layout.scroll_width()
68    );
69    #[cfg(feature = "content_size")]
70    assert_eq!(
71        layout.scroll_height(),
72        0f32,
73        "scroll_height of node {:?}. Expected {}. Actual {}",
74        node,
75        0f32,
76        layout.scroll_height()
77    );
78    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
79    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
80    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
81    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
82    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
83    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
84    #[cfg(feature = "content_size")]
85    assert_eq!(
86        layout.scroll_width(),
87        0f32,
88        "scroll_width of node {:?}. Expected {}. Actual {}",
89        node0,
90        0f32,
91        layout.scroll_width()
92    );
93    #[cfg(feature = "content_size")]
94    assert_eq!(
95        layout.scroll_height(),
96        0f32,
97        "scroll_height of node {:?}. Expected {}. Actual {}",
98        node0,
99        0f32,
100        layout.scroll_height()
101    );
102    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
103    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
104    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
105    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
106    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1, 50f32, location.x);
107    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
108    #[cfg(feature = "content_size")]
109    assert_eq!(
110        layout.scroll_width(),
111        0f32,
112        "scroll_width of node {:?}. Expected {}. Actual {}",
113        node1,
114        0f32,
115        layout.scroll_width()
116    );
117    #[cfg(feature = "content_size")]
118    assert_eq!(
119        layout.scroll_height(),
120        0f32,
121        "scroll_height of node {:?}. Expected {}. Actual {}",
122        node1,
123        0f32,
124        layout.scroll_height()
125    );
126    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
127    let layout @ Layout { size, location, .. } = taffy.layout(node2).unwrap();
128    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node2, 50f32, size.width);
129    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node2, 50f32, size.height);
130    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node2, 100f32, location.x);
131    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
132    #[cfg(feature = "content_size")]
133    assert_eq!(
134        layout.scroll_width(),
135        0f32,
136        "scroll_width of node {:?}. Expected {}. Actual {}",
137        node2,
138        0f32,
139        layout.scroll_width()
140    );
141    #[cfg(feature = "content_size")]
142    assert_eq!(
143        layout.scroll_height(),
144        0f32,
145        "scroll_height of node {:?}. Expected {}. Actual {}",
146        node2,
147        0f32,
148        layout.scroll_height()
149    );
150    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
151    let layout @ Layout { size, location, .. } = taffy.layout(node3).unwrap();
152    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node3, 50f32, size.width);
153    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node3, 50f32, size.height);
154    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node3, 0f32, location.x);
155    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node3, 50f32, location.y);
156    #[cfg(feature = "content_size")]
157    assert_eq!(
158        layout.scroll_width(),
159        0f32,
160        "scroll_width of node {:?}. Expected {}. Actual {}",
161        node3,
162        0f32,
163        layout.scroll_width()
164    );
165    #[cfg(feature = "content_size")]
166    assert_eq!(
167        layout.scroll_height(),
168        0f32,
169        "scroll_height of node {:?}. Expected {}. Actual {}",
170        node3,
171        0f32,
172        layout.scroll_height()
173    );
174    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
175    let layout @ Layout { size, location, .. } = taffy.layout(node4).unwrap();
176    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node4, 50f32, size.width);
177    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node4, 50f32, size.height);
178    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node4, 50f32, location.x);
179    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node4, 50f32, location.y);
180    #[cfg(feature = "content_size")]
181    assert_eq!(
182        layout.scroll_width(),
183        0f32,
184        "scroll_width of node {:?}. Expected {}. Actual {}",
185        node4,
186        0f32,
187        layout.scroll_width()
188    );
189    #[cfg(feature = "content_size")]
190    assert_eq!(
191        layout.scroll_height(),
192        0f32,
193        "scroll_height of node {:?}. Expected {}. Actual {}",
194        node4,
195        0f32,
196        layout.scroll_height()
197    );
198}