tawasuyu/taffy

1#[test]
2fn align_content_end_single_line_negative_space() {
3    #[allow(unused_imports)]
4    use taffy::{prelude::*, tree::Layout, TaffyTree};
5    let mut taffy: TaffyTree<crate::TextMeasure> = TaffyTree::new();
6    let node00 = taffy
7        .new_leaf(taffy::style::Style {
8            flex_shrink: 0f32,
9            size: taffy::geometry::Size {
10                width: taffy::style::Dimension::Percent(0.8f32),
11                height: taffy::style::Dimension::Length(60f32),
12            },
13            ..Default::default()
14        })
15        .unwrap();
16    let node0 = taffy
17        .new_with_children(
18            taffy::style::Style {
19                display: taffy::style::Display::Flex,
20                align_content: Some(taffy::style::AlignContent::End),
21                justify_content: Some(taffy::style::JustifyContent::Center),
22                size: taffy::geometry::Size { width: auto(), height: taffy::style::Dimension::Length(10f32) },
23                ..Default::default()
24            },
25            &[node00],
26        )
27        .unwrap();
28    let node = taffy
29        .new_with_children(
30            taffy::style::Style {
31                display: taffy::style::Display::Flex,
32                flex_direction: taffy::style::FlexDirection::Column,
33                size: taffy::geometry::Size {
34                    width: taffy::style::Dimension::Length(320f32),
35                    height: taffy::style::Dimension::Length(320f32),
36                },
37                border: taffy::geometry::Rect {
38                    left: taffy::style::LengthPercentage::Length(60f32),
39                    right: taffy::style::LengthPercentage::Length(60f32),
40                    top: taffy::style::LengthPercentage::Length(60f32),
41                    bottom: taffy::style::LengthPercentage::Length(60f32),
42                },
43                ..Default::default()
44            },
45            &[node0],
46        )
47        .unwrap();
48    taffy.compute_layout_with_measure(node, taffy::geometry::Size::MAX_CONTENT, crate::test_measure_function).unwrap();
49    println!("\nComputed tree:");
50    taffy.print_tree(node);
51    println!();
52    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
53    let layout @ Layout { size, location, .. } = taffy.layout(node).unwrap();
54    assert_eq!(size.width, 320f32, "width of node {:?}. Expected {}. Actual {}", node, 320f32, size.width);
55    assert_eq!(size.height, 320f32, "height of node {:?}. Expected {}. Actual {}", node, 320f32, size.height);
56    assert_eq!(location.x, 0f32, "x of node {:?}. Expected {}. Actual {}", node, 0f32, location.x);
57    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node, 0f32, location.y);
58    #[cfg(feature = "content_size")]
59    assert_eq!(
60        layout.scroll_width(),
61        0f32,
62        "scroll_width of node {:?}. Expected {}. Actual {}",
63        node,
64        0f32,
65        layout.scroll_width()
66    );
67    #[cfg(feature = "content_size")]
68    assert_eq!(
69        layout.scroll_height(),
70        0f32,
71        "scroll_height of node {:?}. Expected {}. Actual {}",
72        node,
73        0f32,
74        layout.scroll_height()
75    );
76    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
77    let layout @ Layout { size, location, .. } = taffy.layout(node0).unwrap();
78    assert_eq!(size.width, 200f32, "width of node {:?}. Expected {}. Actual {}", node0, 200f32, size.width);
79    assert_eq!(size.height, 10f32, "height of node {:?}. Expected {}. Actual {}", node0, 10f32, size.height);
80    assert_eq!(location.x, 60f32, "x of node {:?}. Expected {}. Actual {}", node0, 60f32, location.x);
81    assert_eq!(location.y, 60f32, "y of node {:?}. Expected {}. Actual {}", node0, 60f32, location.y);
82    #[cfg(feature = "content_size")]
83    assert_eq!(
84        layout.scroll_width(),
85        0f32,
86        "scroll_width of node {:?}. Expected {}. Actual {}",
87        node0,
88        0f32,
89        layout.scroll_width()
90    );
91    #[cfg(feature = "content_size")]
92    assert_eq!(
93        layout.scroll_height(),
94        50f32,
95        "scroll_height of node {:?}. Expected {}. Actual {}",
96        node0,
97        50f32,
98        layout.scroll_height()
99    );
100    #[cfg_attr(not(feature = "content_size"), allow(unused_variables))]
101    let layout @ Layout { size, location, .. } = taffy.layout(node00).unwrap();
102    assert_eq!(size.width, 160f32, "width of node {:?}. Expected {}. Actual {}", node00, 160f32, size.width);
103    assert_eq!(size.height, 60f32, "height of node {:?}. Expected {}. Actual {}", node00, 60f32, size.height);
104    assert_eq!(location.x, 20f32, "x of node {:?}. Expected {}. Actual {}", node00, 20f32, location.x);
105    assert_eq!(location.y, 0f32, "y of node {:?}. Expected {}. Actual {}", node00, 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        node00,
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        node00,
121        0f32,
122        layout.scroll_height()
123    );
124}