adds benchmark for concat

boa/benches/bench_scripts/array_concat.js

@@ -0,0 +1,6 @@
+(function () {
+    let arr1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
+    let arr2 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
+
+    let arr3 = arr1.concat(arr2);
+})();

boa/benches/exec.rs

@@ -330,6 +330,16 @@ fn mini_js(c: &mut Criterion) {
     });
 }
 
+static ARRAY_CONCAT: &str = include_str!("bench_scripts/array_concat.js");
+
+fn array_concat(c: &mut Criterion) {
+    let mut context = Context::new();
+    let nodes = Parser::new(ARRAY_CONCAT.as_bytes(), false).parse_all().unwrap();
+    c.bench_function("Array concat (Execution)", move |b| {
+        b.iter(|| black_box(&nodes).run(&mut context).unwrap())
+    });
+}
+
 criterion_group!(
     execution,
     create_realm,
@@ -355,5 +365,6 @@ criterion_group!(
     arithmetic_operations,
     clean_js,
     mini_js,
+    array_concat,
 );
 criterion_main!(execution);

boa/benches/full.rs

@@ -196,6 +196,14 @@ fn mini_js(c: &mut Criterion) {
     });
 }
 
+static ARRAY_CONCAT: &str = include_str!("bench_scripts/array_concat.js");
+
+fn array_concat(c: &mut Criterion) {
+    c.bench_function("Array concat (Full)", move |b| {
+        b.iter(|| Context::new().eval(black_box(ARRAY_CONCAT)))
+    });
+}
+
 criterion_group!(
     full,
     symbol_creation,
@@ -220,5 +228,6 @@ criterion_group!(
     arithmetic_operations,
     clean_js,
     mini_js,
+    array_concat,
 );
 criterion_main!(full);

boa/benches/parser.rs

@@ -86,6 +86,14 @@ fn mini_js(c: &mut Criterion) {
     });
 }
 
+static ARRAY_CONCAT: &str = include_str!("bench_scripts/array_concat.js");
+
+fn array_concat(c: &mut Criterion) {
+    c.bench_function("Array concat (Parser)", move |b| {
+        b.iter(|| Parser::new(black_box(ARRAY_CONCAT.as_bytes()), false).parse_all())
+    });
+}
+
 criterion_group!(
     parser,
     expression_parser,
@@ -95,5 +103,6 @@ criterion_group!(
     goal_symbol_switch,
     clean_js,
     mini_js,
+    array_concat,
 );
 criterion_main!(parser);