tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn absolute_aspect_ratio_fill_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 node0 = taffy . new_leaf_with_context (taffy :: style :: Style { position : taffy :: style :: Position :: Absolute , max_size : taffy :: geometry :: Size { width : auto () , height : taffy :: style :: Dimension :: Length (50f32) , } , aspect_ratio : Some (0.5f32) , .. Default :: default () } , crate :: TextMeasure { text_content : "HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH" , writing_mode : crate :: WritingMode :: Horizontal , _aspect_ratio : Some (0.5f32) , } ,) . unwrap () ;
8    let node = taffy
9        .new_with_children(
10            taffy::style::Style {
11                display: taffy::style::Display::Flex,
12                size: taffy::geometry::Size {
13                    width: taffy::style::Dimension::Length(400f32),
14                    height: taffy::style::Dimension::Length(300f32),
15                },
16                ..Default::default()
17            },
18            &[node0],
19        )
20        .unwrap();
21    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
22    println!("\nComputed tree:");
23    taffy.print_tree(node);
24    println!();
25    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
26    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
27    assert_eq!(size.width, 400f32, "width of node {:?}. Expected {}. Actual {}", node, 400f32, size.width);
28    assert_eq!(size.height, 300f32, "height of node {:?}. Expected {}. Actual {}", node, 300f32, size.height);
29    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
30    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
31    #[cfg(feature = "content_size")]
32    assert_eq!(
33        layout.scroll_width(),
34        0f32,
35        "scroll_width of node {:?}. Expected {}. Actual {}",
36        node,
37        0f32,
38        layout.scroll_width()
39    );
40    #[cfg(feature = "content_size")]
41    assert_eq!(
42        layout.scroll_height(),
43        0f32,
44        "scroll_height of node {:?}. Expected {}. Actual {}",
45        node,
46        0f32,
47        layout.scroll_height()
48    );
49    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
50    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
51    assert_eq!(size.width, 25f32, "width of node {:?}. Expected {}. Actual {}", node0, 25f32, size.width);
52    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
53    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
54    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
55    #[cfg(feature = "content_size")]
56    assert_eq!(
57        layout.scroll_width(),
58        15f32,
59        "scroll_width of node {:?}. Expected {}. Actual {}",
60        node0,
61        15f32,
62        layout.scroll_width()
63    );
64    #[cfg(feature = "content_size")]
65    assert_eq!(
66        layout.scroll_height(),
67        40f32,
68        "scroll_height of node {:?}. Expected {}. Actual {}",
69        node0,
70        40f32,
71        layout.scroll_height()
72    );
73}
74
75#[test]
76#[allow(non_snake_case)]
77fn absolute_aspect_ratio_fill_max_width__content_box() {
78    #[allow(unused_imports)]
79    use taffy::{prelude::*, tree::Layout, TaffyTree};
80    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
81    let node0 = taffy . new_leaf_with_context (taffy :: style :: Style { box_sizing : taffy :: style :: BoxSizing :: ContentBox , position : taffy :: style :: Position :: Absolute , max_size : taffy :: geometry :: Size { width : auto () , height : taffy :: style :: Dimension :: Length (50f32) , } , aspect_ratio : Some (0.5f32) , .. Default :: default () } , crate :: TextMeasure { text_content : "HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH\u{200b}HHHH" , writing_mode : crate :: WritingMode :: Horizontal , _aspect_ratio : Some (0.5f32) , } ,) . unwrap () ;
82    let node = taffy
83        .new_with_children(
84            taffy::style::Style {
85                display: taffy::style::Display::Flex,
86                box_sizing: taffy::style::BoxSizing::ContentBox,
87                size: taffy::geometry::Size {
88                    width: taffy::style::Dimension::Length(400f32),
89                    height: taffy::style::Dimension::Length(300f32),
90                },
91                ..Default::default()
92            },
93            &[node0],
94        )
95        .unwrap();
96    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
97    println!("\nComputed tree:");
98    taffy.print_tree(node);
99    println!();
100    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
101    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
102    assert_eq!(size.width, 400f32, "width of node {:?}. Expected {}. Actual {}", node, 400f32, size.width);
103    assert_eq!(size.height, 300f32, "height of node {:?}. Expected {}. Actual {}", node, 300f32, size.height);
104    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
105    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
106    #[cfg(feature = "content_size")]
107    assert_eq!(
108        layout.scroll_width(),
109        0f32,
110        "scroll_width of node {:?}. Expected {}. Actual {}",
111        node,
112        0f32,
113        layout.scroll_width()
114    );
115    #[cfg(feature = "content_size")]
116    assert_eq!(
117        layout.scroll_height(),
118        0f32,
119        "scroll_height of node {:?}. Expected {}. Actual {}",
120        node,
121        0f32,
122        layout.scroll_height()
123    );
124    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
125    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
126    assert_eq!(size.width, 25f32, "width of node {:?}. Expected {}. Actual {}", node0, 25f32, size.width);
127    assert_eq!(size.height, 50f32, "height of node {:?}. Expected {}. Actual {}", node0, 50f32, size.height);
128    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
129    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
130    #[cfg(feature = "content_size")]
131    assert_eq!(
132        layout.scroll_width(),
133        15f32,
134        "scroll_width of node {:?}. Expected {}. Actual {}",
135        node0,
136        15f32,
137        layout.scroll_width()
138    );
139    #[cfg(feature = "content_size")]
140    assert_eq!(
141        layout.scroll_height(),
142        40f32,
143        "scroll_height of node {:?}. Expected {}. Actual {}",
144        node0,
145        40f32,
146        layout.scroll_height()
147    );
148}