tawasuyu/taffy

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