tawasuyu/taffy

1#[test]
2fn grid_absolute_top_overrides_bottom() {
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            position: taffy::style::Position::Absolute,
9            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(10f32) },
10            inset: taffy::geometry::Rect {
11                left: auto(),
12                right: auto(),
13                top: taffy::style::LengthPercentageAuto::Length(2f32),
14                bottom: taffy::style::LengthPercentageAuto::Length(5f32),
15            },
16            ..Default::default()
17        })
18        .unwrap();
19    let node1 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
20    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
21    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
22    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
23    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
24    let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
25    let node7 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
26    let node8 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
27    let node = taffy
28        .new_with_children(
29            taffy::style::Style {
30                display: taffy::style::Display::Grid,
31                grid_template_rows: vec![length(40f32), length(40f32), length(40f32)],
32                grid_template_columns: vec![length(40f32), length(40f32), length(40f32)],
33                padding: taffy::geometry::Rect {
34                    left: taffy::style::LengthPercentage::Length(40f32),
35                    right: taffy::style::LengthPercentage::Length(20f32),
36                    top: taffy::style::LengthPercentage::Length(10f32),
37                    bottom: taffy::style::LengthPercentage::Length(30f32),
38                },
39                ..Default::default()
40            },
41            &[node0, node1, node2, node3, node4, node5, node6, node7, node8],
42        )
43        .unwrap();
44    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
45    println!("\nComputed tree:");
46    taffy.print_tree(node);
47    println!();
48    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
49    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
50    assert_eq!(size.width, 180f32, "width of node {:?}. Expected {}. Actual {}", node, 180f32, size.width);
51    assert_eq!(size.height, 160f32, "height of node {:?}. Expected {}. Actual {}", node, 160f32, size.height);
52    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
53    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
54    #[cfg(feature = "content_size")]
55    assert_eq!(
56        layout.scroll_width(),
57        0f32,
58        "scroll_width of node {:?}. Expected {}. Actual {}",
59        node,
60        0f32,
61        layout.scroll_width()
62    );
63    #[cfg(feature = "content_size")]
64    assert_eq!(
65        layout.scroll_height(),
66        0f32,
67        "scroll_height of node {:?}. Expected {}. Actual {}",
68        node,
69        0f32,
70        layout.scroll_height()
71    );
72    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
73    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
74    assert_eq!(size.width, 0f32, "width of node {:?}. Expected {}. Actual {}", node0, 0f32, size.width);
75    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0, 10f32, size.height);
76    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
77    assert_eq!(location.y, 2f32, "y of node {:?}. Expected {}. Actual {}", node0, 2f32, location.y);
78    #[cfg(feature = "content_size")]
79    assert_eq!(
80        layout.scroll_width(),
81        0f32,
82        "scroll_width of node {:?}. Expected {}. Actual {}",
83        node0,
84        0f32,
85        layout.scroll_width()
86    );
87    #[cfg(feature = "content_size")]
88    assert_eq!(
89        layout.scroll_height(),
90        0f32,
91        "scroll_height of node {:?}. Expected {}. Actual {}",
92        node0,
93        0f32,
94        layout.scroll_height()
95    );
96    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
97    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
98    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node1, 40f32, size.width);
99    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node1, 40f32, size.height);
100    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node1, 40f32, location.x);
101    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node1, 10f32, location.y);
102    #[cfg(feature = "content_size")]
103    assert_eq!(
104        layout.scroll_width(),
105        0f32,
106        "scroll_width of node {:?}. Expected {}. Actual {}",
107        node1,
108        0f32,
109        layout.scroll_width()
110    );
111    #[cfg(feature = "content_size")]
112    assert_eq!(
113        layout.scroll_height(),
114        0f32,
115        "scroll_height of node {:?}. Expected {}. Actual {}",
116        node1,
117        0f32,
118        layout.scroll_height()
119    );
120    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
121    let layout @ Layout { size, location, .. } = taffy.layout(node2).unwrap();
122    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node2, 40f32, size.width);
123    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node2, 40f32, size.height);
124    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node2, 80f32, location.x);
125    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node2, 10f32, location.y);
126    #[cfg(feature = "content_size")]
127    assert_eq!(
128        layout.scroll_width(),
129        0f32,
130        "scroll_width of node {:?}. Expected {}. Actual {}",
131        node2,
132        0f32,
133        layout.scroll_width()
134    );
135    #[cfg(feature = "content_size")]
136    assert_eq!(
137        layout.scroll_height(),
138        0f32,
139        "scroll_height of node {:?}. Expected {}. Actual {}",
140        node2,
141        0f32,
142        layout.scroll_height()
143    );
144    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
145    let layout @ Layout { size, location, .. } = taffy.layout(node3).unwrap();
146    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node3, 40f32, size.width);
147    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node3, 40f32, size.height);
148    assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node3, 120f32, location.x);
149    assert_eq!(location.y, 10f32, "y of node {:?}. Expected {}. Actual {}", node3, 10f32, location.y);
150    #[cfg(feature = "content_size")]
151    assert_eq!(
152        layout.scroll_width(),
153        0f32,
154        "scroll_width of node {:?}. Expected {}. Actual {}",
155        node3,
156        0f32,
157        layout.scroll_width()
158    );
159    #[cfg(feature = "content_size")]
160    assert_eq!(
161        layout.scroll_height(),
162        0f32,
163        "scroll_height of node {:?}. Expected {}. Actual {}",
164        node3,
165        0f32,
166        layout.scroll_height()
167    );
168    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
169    let layout @ Layout { size, location, .. } = taffy.layout(node4).unwrap();
170    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node4, 40f32, size.width);
171    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node4, 40f32, size.height);
172    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node4, 40f32, location.x);
173    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node4, 50f32, location.y);
174    #[cfg(feature = "content_size")]
175    assert_eq!(
176        layout.scroll_width(),
177        0f32,
178        "scroll_width of node {:?}. Expected {}. Actual {}",
179        node4,
180        0f32,
181        layout.scroll_width()
182    );
183    #[cfg(feature = "content_size")]
184    assert_eq!(
185        layout.scroll_height(),
186        0f32,
187        "scroll_height of node {:?}. Expected {}. Actual {}",
188        node4,
189        0f32,
190        layout.scroll_height()
191    );
192    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
193    let layout @ Layout { size, location, .. } = taffy.layout(node5).unwrap();
194    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node5, 40f32, size.width);
195    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node5, 40f32, size.height);
196    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node5, 80f32, location.x);
197    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node5, 50f32, location.y);
198    #[cfg(feature = "content_size")]
199    assert_eq!(
200        layout.scroll_width(),
201        0f32,
202        "scroll_width of node {:?}. Expected {}. Actual {}",
203        node5,
204        0f32,
205        layout.scroll_width()
206    );
207    #[cfg(feature = "content_size")]
208    assert_eq!(
209        layout.scroll_height(),
210        0f32,
211        "scroll_height of node {:?}. Expected {}. Actual {}",
212        node5,
213        0f32,
214        layout.scroll_height()
215    );
216    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
217    let layout @ Layout { size, location, .. } = taffy.layout(node6).unwrap();
218    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node6, 40f32, size.width);
219    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node6, 40f32, size.height);
220    assert_eq!(location.x, 120f32, "x of node {:?}. Expected {}. Actual {}", node6, 120f32, location.x);
221    assert_eq!(location.y, 50f32, "y of node {:?}. Expected {}. Actual {}", node6, 50f32, location.y);
222    #[cfg(feature = "content_size")]
223    assert_eq!(
224        layout.scroll_width(),
225        0f32,
226        "scroll_width of node {:?}. Expected {}. Actual {}",
227        node6,
228        0f32,
229        layout.scroll_width()
230    );
231    #[cfg(feature = "content_size")]
232    assert_eq!(
233        layout.scroll_height(),
234        0f32,
235        "scroll_height of node {:?}. Expected {}. Actual {}",
236        node6,
237        0f32,
238        layout.scroll_height()
239    );
240    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
241    let layout @ Layout { size, location, .. } = taffy.layout(node7).unwrap();
242    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node7, 40f32, size.width);
243    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node7, 40f32, size.height);
244    assert_eq!(location.x, 40f32, "x of node {:?}. Expected {}. Actual {}", node7, 40f32, location.x);
245    assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node7, 90f32, location.y);
246    #[cfg(feature = "content_size")]
247    assert_eq!(
248        layout.scroll_width(),
249        0f32,
250        "scroll_width of node {:?}. Expected {}. Actual {}",
251        node7,
252        0f32,
253        layout.scroll_width()
254    );
255    #[cfg(feature = "content_size")]
256    assert_eq!(
257        layout.scroll_height(),
258        0f32,
259        "scroll_height of node {:?}. Expected {}. Actual {}",
260        node7,
261        0f32,
262        layout.scroll_height()
263    );
264    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
265    let layout @ Layout { size, location, .. } = taffy.layout(node8).unwrap();
266    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node8, 40f32, size.width);
267    assert_eq!(size.height, 40f32, "height of node {:?}. Expected {}. Actual {}", node8, 40f32, size.height);
268    assert_eq!(location.x, 80f32, "x of node {:?}. Expected {}. Actual {}", node8, 80f32, location.x);
269    assert_eq!(location.y, 90f32, "y of node {:?}. Expected {}. Actual {}", node8, 90f32, location.y);
270    #[cfg(feature = "content_size")]
271    assert_eq!(
272        layout.scroll_width(),
273        0f32,
274        "scroll_width of node {:?}. Expected {}. Actual {}",
275        node8,
276        0f32,
277        layout.scroll_width()
278    );
279    #[cfg(feature = "content_size")]
280    assert_eq!(
281        layout.scroll_height(),
282        0f32,
283        "scroll_height of node {:?}. Expected {}. Actual {}",
284        node8,
285        0f32,
286        layout.scroll_height()
287    );
288}