1 files changed, 44 insertions, 11 deletions

diff --git a/crates/ide/src/syntax_highlighting/tests.rs b/crates/ide/src/syntax_highlighting/tests.rs
index a62704c39..9d0cd1af5 100644
--- a/crates/ide/src/syntax_highlighting/tests.rs
+++ b/crates/ide/src/syntax_highlighting/tests.rs
@@ -1,9 +1,8 @@
-use std::fs;
-
 use expect_test::{expect_file, ExpectFile};
-use test_utils::project_dir;
+use ide_db::SymbolKind;
+use test_utils::{bench, bench_fixture, skip_slow_tests};
 
-use crate::{fixture, FileRange, TextRange};
+use crate::{fixture, FileRange, HlTag, TextRange};
 
 #[test]
 fn test_highlighting() {
@@ -81,6 +80,10 @@ impl FooCopy {
     }
 }
 
+fn str() {
+    str();
+}
+
 static mut STATIC_MUT: i32 = 0;
 
 fn foo<'a, T>() -> T {
@@ -224,15 +227,45 @@ fn bar() {
 }
 
 #[test]
-fn accidentally_quadratic() {
-    let file = project_dir().join("crates/syntax/test_data/accidentally_quadratic");
-    let src = fs::read_to_string(file).unwrap();
+fn benchmark_syntax_highlighting_long_struct() {
+    if skip_slow_tests() {
+        return;
+    }
 
-    let (analysis, file_id) = fixture::file(&src);
+    let fixture = bench_fixture::big_struct();
+    let (analysis, file_id) = fixture::file(&fixture);
 
-    // let t = std::time::Instant::now();
-    let _ = analysis.highlight(file_id).unwrap();
-    // eprintln!("elapsed: {:?}", t.elapsed());
+    let hash = {
+        let _pt = bench("syntax highlighting long struct");
+        analysis
+            .highlight(file_id)
+            .unwrap()
+            .iter()
+            .filter(|it| it.highlight.tag == HlTag::Symbol(SymbolKind::Struct))
+            .count()
+    };
+    assert_eq!(hash, 2001);
+}
+
+#[test]
+fn benchmark_syntax_highlighting_parser() {
+    if skip_slow_tests() {
+        return;
+    }
+
+    let fixture = bench_fixture::glorious_old_parser();
+    let (analysis, file_id) = fixture::file(&fixture);
+
+    let hash = {
+        let _pt = bench("syntax highlighting parser");
+        analysis
+            .highlight(file_id)
+            .unwrap()
+            .iter()
+            .filter(|it| it.highlight.tag == HlTag::Symbol(SymbolKind::Function))
+            .count()
+    };
+    assert_eq!(hash, 1629);
 }
 
 #[test]