tawasuyu/taffy

1#[test]
2#[allow(non_snake_case)]
3fn aspect_ratio_flex_column_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
8        .new_leaf_with_context(
9            taffy::style::Style {
10                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(20f32) },
11                aspect_ratio: Some(2f32),
12                ..Default::default()
13            },
14            crate::TextMeasure {
15                text_content: "HH\u{200b}HH\u{200b}HH\u{200b}HH",
16                writing_mode: crate::WritingMode::Horizontal,
17                _aspect_ratio: Some(2f32),
18            },
19        )
20        .unwrap();
21    let node = taffy
22        .new_with_children(
23            taffy::style::Style {
24                display: taffy::style::Display::Flex,
25                flex_direction: taffy::style::FlexDirection::Column,
26                align_items: Some(taffy::style::AlignItems::Start),
27                size: taffy::geometry::Size {
28                    width: taffy::style::Dimension::Length(100f32),
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, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, 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, 40f32, "width of node {:?}. Expected {}. Actual {}", node0, 40f32, 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}
89
90#[test]
91#[allow(non_snake_case)]
92fn aspect_ratio_flex_column_fill_max_width__content_box() {
93    #[allow(unused_imports)]
94    use taffy::{prelude::*, tree::Layout, TaffyTree};
95    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
96    let node0 = taffy
97        .new_leaf_with_context(
98            taffy::style::Style {
99                box_sizing: taffy::style::BoxSizing::ContentBox,
100                max_size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(20f32) },
101                aspect_ratio: Some(2f32),
102                ..Default::default()
103            },
104            crate::TextMeasure {
105                text_content: "HH\u{200b}HH\u{200b}HH\u{200b}HH",
106                writing_mode: crate::WritingMode::Horizontal,
107                _aspect_ratio: Some(2f32),
108            },
109        )
110        .unwrap();
111    let node = taffy
112        .new_with_children(
113            taffy::style::Style {
114                display: taffy::style::Display::Flex,
115                box_sizing: taffy::style::BoxSizing::ContentBox,
116                flex_direction: taffy::style::FlexDirection::Column,
117                align_items: Some(taffy::style::AlignItems::Start),
118                size: taffy::geometry::Size {
119                    width: taffy::style::Dimension::Length(100f32),
120                    height: taffy::style::Dimension::Length(100f32),
121                },
122                ..Default::default()
123            },
124            &[node0],
125        )
126        .unwrap();
127    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
128    println!("\nComputed tree:");
129    taffy.print_tree(node);
130    println!();
131    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
132    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
133    assert_eq!(size.width, 100f32, "width of node {:?}. Expected {}. Actual {}", node, 100f32, size.width);
134    assert_eq!(size.height, 100f32, "height of node {:?}. Expected {}. Actual {}", node, 100f32, size.height);
135    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
136    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
137    #[cfg(feature = "content_size")]
138    assert_eq!(
139        layout.scroll_width(),
140        0f32,
141        "scroll_width of node {:?}. Expected {}. Actual {}",
142        node,
143        0f32,
144        layout.scroll_width()
145    );
146    #[cfg(feature = "content_size")]
147    assert_eq!(
148        layout.scroll_height(),
149        0f32,
150        "scroll_height of node {:?}. Expected {}. Actual {}",
151        node,
152        0f32,
153        layout.scroll_height()
154    );
155    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
156    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
157    assert_eq!(size.width, 40f32, "width of node {:?}. Expected {}. Actual {}", node0, 40f32, size.width);
158    assert_eq!(size.height, 20f32, "height of node {:?}. Expected {}. Actual {}", node0, 20f32, size.height);
159    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node0, 0f32, location.x);
160    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node0, 0f32, location.y);
161    #[cfg(feature = "content_size")]
162    assert_eq!(
163        layout.scroll_width(),
164        0f32,
165        "scroll_width of node {:?}. Expected {}. Actual {}",
166        node0,
167        0f32,
168        layout.scroll_width()
169    );
170    #[cfg(feature = "content_size")]
171    assert_eq!(
172        layout.scroll_height(),
173        0f32,
174        "scroll_height of node {:?}. Expected {}. Actual {}",
175        node0,
176        0f32,
177        layout.scroll_height()
178    );
179}