tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn flex_grow_within_constrained_max_width__border_box() {
4    #[allow(unused_imports)]
5    use taffy::{prelude::*, tree::Layout, TaffyTree};
6    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
7    let node00 = taffy
8        .new_leaf(taffy::style::Style {
9            flex_grow: 1f32,
10            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(20f32) },
11            ..Default::default()
12        })
13        .unwrap();
14    let node0 = taffy
15        .new_with_children(
16            taffy::style::Style {
17                max_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(300f32), height: auto() },
18                ..Default::default()
19            },
20            &[node00],
21        )
22        .unwrap();
23    let node = taffy
24        .new_with_children(
25            taffy::style::Style {
26                flex_direction: taffy::style::FlexDirection::Column,
27                size: taffy::geometry::Size {
28                    width: taffy::style::Dimension::Length(200f32),
29                    height: taffy::style::Dimension::Length(100f32),
30                },
31                ..Default::default()
32            },
33            &[node0],
34        )
35        .unwrap();
36    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
37    println!("\nComputed tree:");
38    taffy.print_tree(node);
39    println!();
40    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
41    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
42    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, size.width);
43    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
44    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
45    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
46    #[cfg(feature = "content_size")]
47    assert_eq!(
48        layout.scroll_width(),
49        0f32,
50        "scroll_width of node {:?}. Expected {}. Actual {}",
51        node,
52        0f32,
53        layout.scroll_width()
54    );
55    #[cfg(feature = "content_size")]
56    assert_eq!(
57        layout.scroll_height(),
58        0f32,
59        "scroll_height of node {:?}. Expected {}. Actual {}",
60        node,
61        0f32,
62        layout.scroll_height()
63    );
64    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
65    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
66    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node0, 200f32, size.width);
67    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, size.height);
68    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
69    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
70    #[cfg(feature = "content_size")]
71    assert_eq!(
72        layout.scroll_width(),
73        0f32,
74        "scroll_width of node {:?}. Expected {}. Actual {}",
75        node0,
76        0f32,
77        layout.scroll_width()
78    );
79    #[cfg(feature = "content_size")]
80    assert_eq!(
81        layout.scroll_height(),
82        0f32,
83        "scroll_height of node {:?}. Expected {}. Actual {}",
84        node0,
85        0f32,
86        layout.scroll_height()
87    );
88    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
89    let layout @ Layout { size, location, .. } = taffy.layout(node00).unwrap();
90    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node00, 200f32, size.width);
91    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node00, 20f32, size.height);
92    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
93    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
94    #[cfg(feature = "content_size")]
95    assert_eq!(
96        layout.scroll_width(),
97        0f32,
98        "scroll_width of node {:?}. Expected {}. Actual {}",
99        node00,
100        0f32,
101        layout.scroll_width()
102    );
103    #[cfg(feature = "content_size")]
104    assert_eq!(
105        layout.scroll_height(),
106        0f32,
107        "scroll_height of node {:?}. Expected {}. Actual {}",
108        node00,
109        0f32,
110        layout.scroll_height()
111    );
112}
113
114#[test]
115#[allow(non_snake_case)]
116fn flex_grow_within_constrained_max_width__content_box() {
117    #[allow(unused_imports)]
118    use taffy::{prelude::*, tree::Layout, TaffyTree};
119    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
120    let node00 = taffy
121        .new_leaf(taffy::style::Style {
122            box_sizing: taffy::style::BoxSizing::ContentBox,
123            flex_grow: 1f32,
124            size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(20f32) },
125            ..Default::default()
126        })
127        .unwrap();
128    let node0 = taffy
129        .new_with_children(
130            taffy::style::Style {
131                box_sizing: taffy::style::BoxSizing::ContentBox,
132                max_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(300f32), height: auto() },
133                ..Default::default()
134            },
135            &[node00],
136        )
137        .unwrap();
138    let node = taffy
139        .new_with_children(
140            taffy::style::Style {
141                box_sizing: taffy::style::BoxSizing::ContentBox,
142                flex_direction: taffy::style::FlexDirection::Column,
143                size: taffy::geometry::Size {
144                    width: taffy::style::Dimension::Length(200f32),
145                    height: taffy::style::Dimension::Length(100f32),
146                },
147                ..Default::default()
148            },
149            &[node0],
150        )
151        .unwrap();
152    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
153    println!("\nComputed tree:");
154    taffy.print_tree(node);
155    println!();
156    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
157    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
158    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node, 200f32, size.width);
159    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
160    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
161    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
162    #[cfg(feature = "content_size")]
163    assert_eq!(
164        layout.scroll_width(),
165        0f32,
166        "scroll_width of node {:?}. Expected {}. Actual {}",
167        node,
168        0f32,
169        layout.scroll_width()
170    );
171    #[cfg(feature = "content_size")]
172    assert_eq!(
173        layout.scroll_height(),
174        0f32,
175        "scroll_height of node {:?}. Expected {}. Actual {}",
176        node,
177        0f32,
178        layout.scroll_height()
179    );
180    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
181    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
182    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node0, 200f32, size.width);
183    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, size.height);
184    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
185    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
186    #[cfg(feature = "content_size")]
187    assert_eq!(
188        layout.scroll_width(),
189        0f32,
190        "scroll_width of node {:?}. Expected {}. Actual {}",
191        node0,
192        0f32,
193        layout.scroll_width()
194    );
195    #[cfg(feature = "content_size")]
196    assert_eq!(
197        layout.scroll_height(),
198        0f32,
199        "scroll_height of node {:?}. Expected {}. Actual {}",
200        node0,
201        0f32,
202        layout.scroll_height()
203    );
204    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
205    let layout @ Layout { size, location, .. } = taffy.layout(node00).unwrap();
206    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node00, 200f32, size.width);
207    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node00, 20f32, size.height);
208    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node00, 0f32, location.x);
209    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 0f32, location.y);
210    #[cfg(feature = "content_size")]
211    assert_eq!(
212        layout.scroll_width(),
213        0f32,
214        "scroll_width of node {:?}. Expected {}. Actual {}",
215        node00,
216        0f32,
217        layout.scroll_width()
218    );
219    #[cfg(feature = "content_size")]
220    assert_eq!(
221        layout.scroll_height(),
222        0f32,
223        "scroll_height of node {:?}. Expected {}. Actual {}",
224        node00,
225        0f32,
226        layout.scroll_height()
227    );
228}