tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn child_min_max_width_flexing__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            flex_grow: 1f32,
10            flex_shrink: 0f32,
11            flex_basis: taffy::style::Dimension::Length(0f32),
12            min_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(60f32), height: auto() },
13            ..Default::default()
14        })
15        .unwrap();
16    let node1 = taffy
17        .new_leaf(taffy::style::Style {
18            flex_grow: 1f32,
19            flex_shrink: 0f32,
20            flex_basis: taffy::style::Dimension::Percent(0.5f32),
21            max_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(20f32), height: auto() },
22            ..Default::default()
23        })
24        .unwrap();
25    let node = taffy
26        .new_with_children(
27            taffy::style::Style {
28                align_items: Some(taffy::style::AlignItems::Stretch),
29                size: taffy::geometry::Size {
30                    width: taffy::style::Dimension::Length(120f32),
31                    height: taffy::style::Dimension::Length(50f32),
32                },
33                ..Default::default()
34            },
35            &[node0, node1],
36        )
37        .unwrap();
38    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
39    println!("\nComputed tree:");
40    taffy.print_tree(node);
41    println!();
42    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
43    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
44    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node, 120f32, size.width);
45    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node, 50f32, size.height);
46    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
47    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
48    #[cfg(feature = "content_size")]
49    assert_eq!(
50        layout.scroll_width(),
51        0f32,
52        "scroll_width of node {:?}. Expected {}. Actual {}",
53        node,
54        0f32,
55        layout.scroll_width()
56    );
57    #[cfg(feature = "content_size")]
58    assert_eq!(
59        layout.scroll_height(),
60        0f32,
61        "scroll_height of node {:?}. Expected {}. Actual {}",
62        node,
63        0f32,
64        layout.scroll_height()
65    );
66    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
67    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
68    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
69    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
70    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
71    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
72    #[cfg(feature = "content_size")]
73    assert_eq!(
74        layout.scroll_width(),
75        0f32,
76        "scroll_width of node {:?}. Expected {}. Actual {}",
77        node0,
78        0f32,
79        layout.scroll_width()
80    );
81    #[cfg(feature = "content_size")]
82    assert_eq!(
83        layout.scroll_height(),
84        0f32,
85        "scroll_height of node {:?}. Expected {}. Actual {}",
86        node0,
87        0f32,
88        layout.scroll_height()
89    );
90    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
91    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
92    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
93    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
94    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node1, 100f32, location.x);
95    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
96    #[cfg(feature = "content_size")]
97    assert_eq!(
98        layout.scroll_width(),
99        0f32,
100        "scroll_width of node {:?}. Expected {}. Actual {}",
101        node1,
102        0f32,
103        layout.scroll_width()
104    );
105    #[cfg(feature = "content_size")]
106    assert_eq!(
107        layout.scroll_height(),
108        0f32,
109        "scroll_height of node {:?}. Expected {}. Actual {}",
110        node1,
111        0f32,
112        layout.scroll_height()
113    );
114}
115
116#[test]
117#[allow(non_snake_case)]
118fn child_min_max_width_flexing__content_box() {
119    #[allow(unused_imports)]
120    use taffy::{prelude::*, tree::Layout, TaffyTree};
121    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
122    let node0 = taffy
123        .new_leaf(taffy::style::Style {
124            box_sizing: taffy::style::BoxSizing::ContentBox,
125            flex_grow: 1f32,
126            flex_shrink: 0f32,
127            flex_basis: taffy::style::Dimension::Length(0f32),
128            min_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(60f32), height: auto() },
129            ..Default::default()
130        })
131        .unwrap();
132    let node1 = taffy
133        .new_leaf(taffy::style::Style {
134            box_sizing: taffy::style::BoxSizing::ContentBox,
135            flex_grow: 1f32,
136            flex_shrink: 0f32,
137            flex_basis: taffy::style::Dimension::Percent(0.5f32),
138            max_size: taffy::geometry::Size { width: taffy::style::Dimension::Length(20f32), height: auto() },
139            ..Default::default()
140        })
141        .unwrap();
142    let node = taffy
143        .new_with_children(
144            taffy::style::Style {
145                box_sizing: taffy::style::BoxSizing::ContentBox,
146                align_items: Some(taffy::style::AlignItems::Stretch),
147                size: taffy::geometry::Size {
148                    width: taffy::style::Dimension::Length(120f32),
149                    height: taffy::style::Dimension::Length(50f32),
150                },
151                ..Default::default()
152            },
153            &[node0, node1],
154        )
155        .unwrap();
156    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
157    println!("\nComputed tree:");
158    taffy.print_tree(node);
159    println!();
160    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
161    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
162    assert_eq!(size.width, 120f32, "width of node {:?}. Expected {}. Actual {}", node, 120f32, size.width);
163    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node, 50f32, size.height);
164    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
165    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
166    #[cfg(feature = "content_size")]
167    assert_eq!(
168        layout.scroll_width(),
169        0f32,
170        "scroll_width of node {:?}. Expected {}. Actual {}",
171        node,
172        0f32,
173        layout.scroll_width()
174    );
175    #[cfg(feature = "content_size")]
176    assert_eq!(
177        layout.scroll_height(),
178        0f32,
179        "scroll_height of node {:?}. Expected {}. Actual {}",
180        node,
181        0f32,
182        layout.scroll_height()
183    );
184    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
185    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
186    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node0, 100f32, size.width);
187    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
188    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
189    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
190    #[cfg(feature = "content_size")]
191    assert_eq!(
192        layout.scroll_width(),
193        0f32,
194        "scroll_width of node {:?}. Expected {}. Actual {}",
195        node0,
196        0f32,
197        layout.scroll_width()
198    );
199    #[cfg(feature = "content_size")]
200    assert_eq!(
201        layout.scroll_height(),
202        0f32,
203        "scroll_height of node {:?}. Expected {}. Actual {}",
204        node0,
205        0f32,
206        layout.scroll_height()
207    );
208    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
209    let layout @ Layout { size, location, .. } = taffy.layout(node1).unwrap();
210    assert_eq!(size.width, 20f32, "width of node {:?}. Expected {}. Actual {}", node1, 20f32, size.width);
211    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node1, 50f32, size.height);
212    assert_eq!(location.x, 100f32, "x of node {:?}. Expected {}. Actual {}", node1, 100f32, location.x);
213    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node1, 0f32, location.y);
214    #[cfg(feature = "content_size")]
215    assert_eq!(
216        layout.scroll_width(),
217        0f32,
218        "scroll_width of node {:?}. Expected {}. Actual {}",
219        node1,
220        0f32,
221        layout.scroll_width()
222    );
223    #[cfg(feature = "content_size")]
224    assert_eq!(
225        layout.scroll_height(),
226        0f32,
227        "scroll_height of node {:?}. Expected {}. Actual {}",
228        node1,
229        0f32,
230        layout.scroll_height()
231    );
232}