1 files changed, 34 insertions, 0 deletions
diff --git a/benchmark/module/module-loader-circular.js b/benchmark/module/module-loader-circular.js
new file mode 100644
index 0000000000..6d392e0e19
--- /dev/null
+++ b/benchmark/module/module-loader-circular.js
@@ -0,0 +1,34 @@
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const common = require('../common.js');
+
+const tmpdir = require('../../test/common/tmpdir');
+const benchmarkDirectory =
+  path.resolve(tmpdir.path, 'benchmark-module-circular');
+
+const bench = common.createBenchmark(main, {
+  n: [1e4]
+});
+
+function main({ n }) {
+  tmpdir.refresh();
+
+  const aDotJS = path.join(benchmarkDirectory, 'a.js');
+  const bDotJS = path.join(benchmarkDirectory, 'b.js');
+
+  fs.mkdirSync(benchmarkDirectory);
+  fs.writeFileSync(aDotJS, 'require("./b.js");');
+  fs.writeFileSync(bDotJS, 'require("./a.js");');
+
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    require(aDotJS);
+    require(bDotJS);
+    delete require.cache[aDotJS];
+    delete require.cache[bDotJS];
+  }
+  bench.end(n);
+
+  tmpdir.refresh();
+}