WIP: improve colr emoji detection and testing

parley/src/lib.rs

@@ -127,10 +127,12 @@ mod tests;
 
 pub use linebender_resource_handle::FontData;
 pub use parlance::BaseDirection;
+pub use parley_engine::AnalysisDataSources;
 pub use parley_engine::break_overrides::{
     AsciiLineBreakTable, AsciiLineBreakTableBuilder, CHROMIUM_LINE_BREAK_OVERRIDE,
     LineBreakContext, LineBreakOverrideFn,
 };
+pub use parley_engine::emoji;
 
 pub use builder::{RangedBuilder, StyleRunBuilder, TreeBuilder};
 pub use context::LayoutContext;

parley/src/tests/mod.rs

@@ -3,4 +3,5 @@
 
 mod test_analysis;
 mod test_builders;
+mod test_emoji_segmenters;
 mod utils;

parley/src/tests/test_analysis.rs

@@ -1296,7 +1296,7 @@ fn test_whitespace_contiguous_interspersed_in_latin_mixed() {
 }
 
 #[test]
-fn test_color_emoji_with_non_printing_variation_selector() {
+fn test_color_emoji_with_presentation() {
     verify_analysis("\u{270c}\u{fe0f}", |_| {})
         .expect_is_emoji_or_pictograph_list(vec![true, false])
         .expect_is_variation_selector_list(vec![false, true]);