(ast/values) implement logical properties

crates/hdx_ast/src/css/values/box/impls.rs

@@ -1,6 +1,20 @@
 pub(crate) use crate::traits::StyleValue;
 pub(crate) use hdx_proc_macro::*;
 
+use super::types::LengthPercentage;
+use super::{MarginTop, PaddingTop};
+
+// shortcuts for logical properties to resolve to 0
+impl MarginTop {
+	#[allow(non_upper_case_globals)]
+	pub const Zero: MarginTop = MarginTop::LengthPercentage(LengthPercentage::Zero);
+}
+
+impl PaddingTop {
+	#[allow(non_upper_case_globals)]
+	pub const Zero: PaddingTop = PaddingTop(LengthPercentage::Zero);
+}
+
 #[cfg(test)]
 mod tests {
 	use super::super::*;

crates/hdx_ast/src/css/values/logical/impls.rs

@@ -1,2 +1,30 @@
 pub(crate) use crate::traits::StyleValue;
 pub(crate) use hdx_proc_macro::*;
+
+#[cfg(test)]
+mod tests {
+	use super::super::*;
+	use crate::test_helpers::*;
+
+	#[test]
+	fn size_test() {
+		assert_size!(BlockSize, 12);
+		assert_size!(InlineSize, 12);
+		assert_size!(MinBlockSize, 12);
+		assert_size!(MinInlineSize, 12);
+		assert_size!(MaxBlockSize, 12);
+		assert_size!(MaxInlineSize, 12);
+		assert_size!(MarginBlockStart, 8);
+		assert_size!(MarginBlockEnd, 8);
+		assert_size!(MarginInlineStart, 8);
+		assert_size!(MarginInlineEnd, 8);
+		assert_size!(MarginBlock, 16);
+		assert_size!(MarginInline, 16);
+		assert_size!(PaddingBlockStart, 8);
+		assert_size!(PaddingBlockEnd, 8);
+		assert_size!(PaddingInlineStart, 8);
+		assert_size!(PaddingInlineEnd, 8);
+		assert_size!(PaddingBlock, 16);
+		assert_size!(PaddingInline, 16);
+	}
+}