Added `String`, `Boolean` and `Number` object benchmarks (#494)

boa/benches/exec.rs

@@ -451,6 +451,78 @@ fn string_copy(c: &mut Criterion) {
     });
 }
 
+static NUMBER_OBJECT_ACCESS: &str = r#"
+new Number(
+    new Number(
+        new Number(
+            new Number(100).valueOf() - 10.5
+        ).valueOf() + 100
+    ).valueOf() * 1.6
+)
+"#;
+
+fn number_object_access(c: &mut Criterion) {
+    let realm = Realm::create();
+    let mut engine = Interpreter::new(realm);
+
+    let mut lexer = Lexer::new(black_box(NUMBER_OBJECT_ACCESS));
+    lexer.lex().expect("failed to lex");
+
+    let nodes = Parser::new(&black_box(lexer.tokens)).parse_all().unwrap();
+
+    c.bench_function("Number Object Access (Execution)", move |b| {
+        b.iter(|| black_box(&nodes).run(&mut engine).unwrap())
+    });
+}
+
+static BOOLEAN_OBJECT_ACCESS: &str = r#"
+new Boolean(
+    !new Boolean(
+        new Boolean(
+            !(new Boolean(false).valueOf()) && (new Boolean(true).valueOf())
+        ).valueOf()
+    ).valueOf()
+).valueOf()
+"#;
+
+fn boolean_object_access(c: &mut Criterion) {
+    let realm = Realm::create();
+    let mut engine = Interpreter::new(realm);
+
+    let mut lexer = Lexer::new(black_box(BOOLEAN_OBJECT_ACCESS));
+    lexer.lex().expect("failed to lex");
+
+    let nodes = Parser::new(&black_box(lexer.tokens)).parse_all().unwrap();
+
+    c.bench_function("Boolean Object Access (Execution)", move |b| {
+        b.iter(|| black_box(&nodes).run(&mut engine).unwrap())
+    });
+}
+
+static STRING_OBJECT_ACCESS: &str = r#"
+new String(
+    new String(
+        new String(
+            new String('Hello').valueOf() + new String(", world").valueOf()
+        ).valueOf() + '!'
+    ).valueOf()
+).valueOf()
+"#;
+
+fn string_object_access(c: &mut Criterion) {
+    let realm = Realm::create();
+    let mut engine = Interpreter::new(realm);
+
+    let mut lexer = Lexer::new(black_box(STRING_OBJECT_ACCESS));
+    lexer.lex().expect("failed to lex");
+
+    let nodes = Parser::new(&black_box(lexer.tokens)).parse_all().unwrap();
+
+    c.bench_function("String Object Access (Execution)", move |b| {
+        b.iter(|| black_box(&nodes).run(&mut engine).unwrap())
+    });
+}
+
 criterion_group!(
     execution,
     create_realm,
@@ -470,5 +542,8 @@ criterion_group!(
     string_concat,
     string_compare,
     string_copy,
+    number_object_access,
+    boolean_object_access,
+    string_object_access,
 );
 criterion_main!(execution);