tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_wrap_align_stretch_fits_one_row__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, tree::Layout, TaffyTree};
6    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
7    let node0 = taffy
8        .new_leaf(taffy::style::Style {
9            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
10            ..Default::default()
11        })
12        .unwrap();
13    let node1 = taffy
14        .new_leaf(taffy::style::Style {
15            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
16            ..Default::default()
17        })
18        .unwrap();
19    let node = taffy
20        .new_with_children(
21            taffy::style::Style {
22                flex_wrap: taffy::style::FlexWrap::Wrap,
23                size: taffy::geometry::Size {
24                    width: taffy::style::Dimension::Length(150f32),
25                    height: taffy::style::Dimension::Length(100f32),
26                },
27                ..Default::default()
28            },
29            &[node0, node1],
30        )
31        .unwrap();
32    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
33    println!("\nComputed tree:");
34    taffy.print_tree(node);
35    println!();
36    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
37    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
38    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node, 150f32, size.width);
39    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
40    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
41    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
42    #[cfg(feature = "content_size")]
43    assert_eq!(
44        layout.scroll_width(),
45        0f32,
46        "scroll_width of node {:?}. Expected {}. Actual {}",
47        node,
48        0f32,
49        layout.scroll_width()
50    );
51    #[cfg(feature = "content_size")]
52    assert_eq!(
53        layout.scroll_height(),
54        0f32,
55        "scroll_height of node {:?}. Expected {}. Actual {}",
56        node,
57        0f32,
58        layout.scroll_height()
59    );
60    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
61    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
62    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
63    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
64    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
65    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
66    #[cfg(feature = "content_size")]
67    assert_eq!(
68        layout.scroll_width(),
69        0f32,
70        "scroll_width of node {:?}. Expected {}. Actual {}",
71        node0,
72        0f32,
73        layout.scroll_width()
74    );
75    #[cfg(feature = "content_size")]
76    assert_eq!(
77        layout.scroll_height(),
78        0f32,
79        "scroll_height of node {:?}. Expected {}. Actual {}",
80        node0,
81        0f32,
82        layout.scroll_height()
83    );
84    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
85    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
86    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
87    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1, 100f32, size.height);
88    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1, 50f32, location.x);
89    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
90    #[cfg(feature = "content_size")]
91    assert_eq!(
92        layout.scroll_width(),
93        0f32,
94        "scroll_width of node {:?}. Expected {}. Actual {}",
95        node1,
96        0f32,
97        layout.scroll_width()
98    );
99    #[cfg(feature = "content_size")]
100    assert_eq!(
101        layout.scroll_height(),
102        0f32,
103        "scroll_height of node {:?}. Expected {}. Actual {}",
104        node1,
105        0f32,
106        layout.scroll_height()
107    );
108}
109
110#[test]
111#[allow(non_snake_case)]
112fn flex_wrap_align_stretch_fits_one_row__content_box() {
113    #[allow(unused_imports)]
114    use taffy::{prelude::*, tree::Layout, TaffyTree};
115    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
116    let node0 = taffy
117        .new_leaf(taffy::style::Style {
118            box_sizing: taffy::style::BoxSizing::ContentBox,
119            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
120            ..Default::default()
121        })
122        .unwrap();
123    let node1 = taffy
124        .new_leaf(taffy::style::Style {
125            box_sizing: taffy::style::BoxSizing::ContentBox,
126            size: taffy::geometry::Size { width: taffy::style::Dimension::Length(50f32), height: auto() },
127            ..Default::default()
128        })
129        .unwrap();
130    let node = taffy
131        .new_with_children(
132            taffy::style::Style {
133                box_sizing: taffy::style::BoxSizing::ContentBox,
134                flex_wrap: taffy::style::FlexWrap::Wrap,
135                size: taffy::geometry::Size {
136                    width: taffy::style::Dimension::Length(150f32),
137                    height: taffy::style::Dimension::Length(100f32),
138                },
139                ..Default::default()
140            },
141            &[node0, node1],
142        )
143        .unwrap();
144    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
145    println!("\nComputed tree:");
146    taffy.print_tree(node);
147    println!();
148    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
149    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
150    assert_eq!(size.width, 150f32, "width of node {:?}. Expected {}. Actual {}", node, 150f32, size.width);
151    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
152    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
153    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
154    #[cfg(feature = "content_size")]
155    assert_eq!(
156        layout.scroll_width(),
157        0f32,
158        "scroll_width of node {:?}. Expected {}. Actual {}",
159        node,
160        0f32,
161        layout.scroll_width()
162    );
163    #[cfg(feature = "content_size")]
164    assert_eq!(
165        layout.scroll_height(),
166        0f32,
167        "scroll_height of node {:?}. Expected {}. Actual {}",
168        node,
169        0f32,
170        layout.scroll_height()
171    );
172    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
173    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
174    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node0, 50f32, size.width);
175    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node0, 100f32, size.height);
176    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
177    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
178    #[cfg(feature = "content_size")]
179    assert_eq!(
180        layout.scroll_width(),
181        0f32,
182        "scroll_width of node {:?}. Expected {}. Actual {}",
183        node0,
184        0f32,
185        layout.scroll_width()
186    );
187    #[cfg(feature = "content_size")]
188    assert_eq!(
189        layout.scroll_height(),
190        0f32,
191        "scroll_height of node {:?}. Expected {}. Actual {}",
192        node0,
193        0f32,
194        layout.scroll_height()
195    );
196    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
197    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
198    assert_eq!(size.width, 50f32, "width of node {:?}. Expected {}. Actual {}", node1, 50f32, size.width);
199    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node1, 100f32, size.height);
200    assert_eq!(location.x, 50f32, "x of node {:?}. Expected {}. Actual {}", node1, 50f32, location.x);
201    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
202    #[cfg(feature = "content_size")]
203    assert_eq!(
204        layout.scroll_width(),
205        0f32,
206        "scroll_width of node {:?}. Expected {}. Actual {}",
207        node1,
208        0f32,
209        layout.scroll_width()
210    );
211    #[cfg(feature = "content_size")]
212    assert_eq!(
213        layout.scroll_height(),
214        0f32,
215        "scroll_height of node {:?}. Expected {}. Actual {}",
216        node1,
217        0f32,
218        layout.scroll_height()
219    );
220}