css_ast 0.0.21

CSS Abstract Syntax Trees with visitable nodes and style value types.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

// use super::types::LengthPercentage;
// use super::{MinWidthStyleValue, Width};

// shortcuts for logical properties to resolve to 0
// impl Width {
// 	#[allow(non_upper_case_globals)]
// 	pub const Zero: Width = Width::LengthPercentage(LengthPercentage::Zero();
// }
//
// impl MinWidth {
// 	#[allow(non_upper_case_globals)]
// 	pub const Zero: MinWidth = MinWidth::LengthPercentage(LengthPercentage::Zero);
// }

#[cfg(test)]
mod tests {
	use super::super::*;
	use crate::CssAtomSet;
	use css_parse::{assert_parse, assert_parse_error};

	#[test]
	fn size_test() {
		assert_eq!(std::mem::size_of::<WidthStyleValue>(), 40);
		assert_eq!(std::mem::size_of::<HeightStyleValue>(), 40);
		assert_eq!(std::mem::size_of::<MinWidthStyleValue>(), 40);
		assert_eq!(std::mem::size_of::<MinHeightStyleValue>(), 40);
		assert_eq!(std::mem::size_of::<MaxWidthStyleValue>(), 40);
		assert_eq!(std::mem::size_of::<MaxHeightStyleValue>(), 40);
		assert_eq!(std::mem::size_of::<BoxSizingStyleValue>(), 16);
		assert_eq!(std::mem::size_of::<AspectRatioStyleValue>(), 60);
		assert_eq!(std::mem::size_of::<ContainIntrinsicBlockSizeStyleValue>(), 32);
		assert_eq!(std::mem::size_of::<ContainIntrinsicHeightStyleValue>(), 32);
		assert_eq!(std::mem::size_of::<ContainIntrinsicInlineSizeStyleValue>(), 32);
		assert_eq!(std::mem::size_of::<ContainIntrinsicSizeStyleValue>(), 64);
		assert_eq!(std::mem::size_of::<ContainIntrinsicWidthStyleValue>(), 32);
		assert_eq!(std::mem::size_of::<FrameSizingStyleValue>(), 16);
		assert_eq!(std::mem::size_of::<MinIntrinsicSizingStyleValue>(), 32);
	}

	#[test]
	fn test_contain_intrinsic() {
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicWidthStyleValue, "none");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicWidthStyleValue, "100px");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicWidthStyleValue, "auto none");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicWidthStyleValue, "auto 100px");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicSizeStyleValue, "none");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicSizeStyleValue, "100px");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicSizeStyleValue, "none none");
		assert_parse!(CssAtomSet::ATOMS, ContainIntrinsicSizeStyleValue, "auto none 100px");
		assert_parse_error!(CssAtomSet::ATOMS, ContainIntrinsicWidthStyleValue, "auto");
		assert_parse_error!(CssAtomSet::ATOMS, ContainIntrinsicWidthStyleValue, "");
	}

	#[test]
	fn test_min_intrinsic_sizing() {
		assert_parse!(CssAtomSet::ATOMS, MinIntrinsicSizingStyleValue, "legacy");
		assert_parse!(CssAtomSet::ATOMS, MinIntrinsicSizingStyleValue, "zero-if-scroll");
		assert_parse!(CssAtomSet::ATOMS, MinIntrinsicSizingStyleValue, "zero-if-extrinsic");
		assert_parse!(CssAtomSet::ATOMS, MinIntrinsicSizingStyleValue, "zero-if-scroll zero-if-extrinsic");
		assert_parse_error!(CssAtomSet::ATOMS, MinIntrinsicSizingStyleValue, "");
		assert_parse_error!(CssAtomSet::ATOMS, MinIntrinsicSizingStyleValue, "auto");
	}

	#[test]
	fn test_writes() {
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "0");
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "1px");
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "fit-content");
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "fit-content(20rem)");
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "fit-content(0)");
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "stretch");
		assert_parse!(CssAtomSet::ATOMS, WidthStyleValue, "contain");

		assert_parse!(CssAtomSet::ATOMS, AspectRatioStyleValue, "auto 1/5");
		assert_parse!(CssAtomSet::ATOMS, AspectRatioStyleValue, "auto 1/2");
		assert_parse!(CssAtomSet::ATOMS, AspectRatioStyleValue, "1/3 auto");
	}

	#[test]
	fn test_errors() {
		assert_parse_error!(CssAtomSet::ATOMS, AspectRatioStyleValue, "auto auto");
		assert_parse_error!(CssAtomSet::ATOMS, AspectRatioStyleValue, "1/2 1/2");
	}

	#[test]
	#[cfg(feature = "visitable")]
	fn test_visits() {
		use crate::assert_visits;
		assert_visits!("12px", WidthStyleValue, LengthPercentage, Length);
	}
}