tawasuyu/taffy

1#[test]
2fn grid_percent_tracks_indefinite_with_content_underflow() {
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            grid_row: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
9            grid_column: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
10            size: taffy::geometry::Size {
11                width: taffy::style::Dimension::Length(100f32),
12                height: taffy::style::Dimension::Length(100f32),
13            },
14            ..Default::default()
15        })
16        .unwrap();
17    let node1 = taffy
18        .new_leaf(taffy::style::Style {
19            grid_row: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
20            grid_column: taffy::geometry::Line { start: line(1i16), end: taffy::style::GridPlacement::Auto },
21            ..Default::default()
22        })
23        .unwrap();
24    let node2 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
25    let node3 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
26    let node4 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
27    let node5 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
28    let node6 = taffy.new_leaf(taffy::style::Style { ..Default::default() }).unwrap();
29    let node = taffy
30        .new_with_children(
31            taffy::style::Style {
32                display: taffy::style::Display::Grid,
33                grid_template_rows: vec![percent(0.3f32), percent(0.6f32)],
34                grid_template_columns: vec![percent(0.1f32), percent(0.2f32), percent(0.3f32)],
35                ..Default::default()
36            },
37            &[node0, node1, node2, node3, node4, node5, node6],
38        )
39        .unwrap();
40    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
41    println!("\nComputed tree:");
42    taffy.print_tree(node);
43    println!();
44    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
45    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
46    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
47    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
48    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
49    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
50    #[cfg(feature = "content_size")]
51    assert_eq!(
52        layout.scroll_width(),
53        0f32,
54        "scroll_width of node {:?}. Expected {}. Actual {}",
55        node,
56        0f32,
57        layout.scroll_width()
58    );
59    #[cfg(feature = "content_size")]
60    assert_eq!(
61        layout.scroll_height(),
62        0f32,
63        "scroll_height of node {:?}. Expected {}. Actual {}",
64        node,
65        0f32,
66        layout.scroll_height()
67    );
68    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
69    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
70    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
71    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
72    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
73    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
74    #[cfg(feature = "content_size")]
75    assert_eq!(
76        layout.scroll_width(),
77        0f32,
78        "scroll_width of node {:?}. Expected {}. Actual {}",
79        node0,
80        0f32,
81        layout.scroll_width()
82    );
83    #[cfg(feature = "content_size")]
84    assert_eq!(
85        layout.scroll_height(),
86        0f32,
87        "scroll_height of node {:?}. Expected {}. Actual {}",
88        node0,
89        0f32,
90        layout.scroll_height()
91    );
92    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
93    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
94    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node1, 10f32, size.width);
95    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node1, 30f32, size.height);
96    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node1, 0f32, location.x);
97    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
98    #[cfg(feature = "content_size")]
99    assert_eq!(
100        layout.scroll_width(),
101        0f32,
102        "scroll_width of node {:?}. Expected {}. Actual {}",
103        node1,
104        0f32,
105        layout.scroll_width()
106    );
107    #[cfg(feature = "content_size")]
108    assert_eq!(
109        layout.scroll_height(),
110        0f32,
111        "scroll_height of node {:?}. Expected {}. Actual {}",
112        node1,
113        0f32,
114        layout.scroll_height()
115    );
116    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
117    let layout @ Layout { size, location, .. } = taffy.layout(node2).unwrap();
118    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node2, 20f32, size.width);
119    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node2, 30f32, size.height);
120    assert_eq!(location.x, 10f32, "x of node {:?}. Expected {}. Actual {}", node2, 10f32, location.x);
121    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node2, 0f32, location.y);
122    #[cfg(feature = "content_size")]
123    assert_eq!(
124        layout.scroll_width(),
125        0f32,
126        "scroll_width of node {:?}. Expected {}. Actual {}",
127        node2,
128        0f32,
129        layout.scroll_width()
130    );
131    #[cfg(feature = "content_size")]
132    assert_eq!(
133        layout.scroll_height(),
134        0f32,
135        "scroll_height of node {:?}. Expected {}. Actual {}",
136        node2,
137        0f32,
138        layout.scroll_height()
139    );
140    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
141    let layout @ Layout { size, location, .. } = taffy.layout(node3).unwrap();
142    assert_eq!(size.width, 30f32, "width of node {:?}. Expected {}. Actual {}", node3, 30f32, size.width);
143    assert_eq!(size.height, 30f32, "height of node {:?}. Expected {}. Actual {}", node3, 30f32, size.height);
144    assert_eq!(location.x, 30f32, "x of node {:?}. Expected {}. Actual {}", node3, 30f32, location.x);
145    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node3, 0f32, location.y);
146    #[cfg(feature = "content_size")]
147    assert_eq!(
148        layout.scroll_width(),
149        0f32,
150        "scroll_width of node {:?}. Expected {}. Actual {}",
151        node3,
152        0f32,
153        layout.scroll_width()
154    );
155    #[cfg(feature = "content_size")]
156    assert_eq!(
157        layout.scroll_height(),
158        0f32,
159        "scroll_height of node {:?}. Expected {}. Actual {}",
160        node3,
161        0f32,
162        layout.scroll_height()
163    );
164    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
165    let layout @ Layout { size, location, .. } = taffy.layout(node4).unwrap();
166    assert_eq!(size.width, 10f32, "width of node {:?}. Expected {}. Actual {}", node4, 10f32, size.width);
167    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node4, 60f32, size.height);
168    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node4, 0f32, location.x);
169    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node4, 30f32, location.y);
170    #[cfg(feature = "content_size")]
171    assert_eq!(
172        layout.scroll_width(),
173        0f32,
174        "scroll_width of node {:?}. Expected {}. Actual {}",
175        node4,
176        0f32,
177        layout.scroll_width()
178    );
179    #[cfg(feature = "content_size")]
180    assert_eq!(
181        layout.scroll_height(),
182        0f32,
183        "scroll_height of node {:?}. Expected {}. Actual {}",
184        node4,
185        0f32,
186        layout.scroll_height()
187    );
188    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
189    let layout @ Layout { size, location, .. } = taffy.layout(node5).unwrap();
190    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node5, 20f32, size.width);
191    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node5, 60f32, size.height);
192    assert_eq!(location.x, 10f32, "x of node {:?}. Expected {}. Actual {}", node5, 10f32, location.x);
193    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node5, 30f32, location.y);
194    #[cfg(feature = "content_size")]
195    assert_eq!(
196        layout.scroll_width(),
197        0f32,
198        "scroll_width of node {:?}. Expected {}. Actual {}",
199        node5,
200        0f32,
201        layout.scroll_width()
202    );
203    #[cfg(feature = "content_size")]
204    assert_eq!(
205        layout.scroll_height(),
206        0f32,
207        "scroll_height of node {:?}. Expected {}. Actual {}",
208        node5,
209        0f32,
210        layout.scroll_height()
211    );
212    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
213    let layout @ Layout { size, location, .. } = taffy.layout(node6).unwrap();
214    assert_eq!(size.width, 30f32, "width of node {:?}. Expected {}. Actual {}", node6, 30f32, size.width);
215    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node6, 60f32, size.height);
216    assert_eq!(location.x, 30f32, "x of node {:?}. Expected {}. Actual {}", node6, 30f32, location.x);
217    assert_eq!(location.y, 30f32, "y of node {:?}. Expected {}. Actual {}", node6, 30f32, location.y);
218    #[cfg(feature = "content_size")]
219    assert_eq!(
220        layout.scroll_width(),
221        0f32,
222        "scroll_width of node {:?}. Expected {}. Actual {}",
223        node6,
224        0f32,
225        layout.scroll_width()
226    );
227    #[cfg(feature = "content_size")]
228    assert_eq!(
229        layout.scroll_height(),
230        0f32,
231        "scroll_height of node {:?}. Expected {}. Actual {}",
232        node6,
233        0f32,
234        layout.scroll_height()
235    );
236}