1 files changed, 22 insertions, 0 deletions
diff --git a/benchmark/string_decoder/string-decoder-create.js b/benchmark/string_decoder/string-decoder-create.js
new file mode 100644
index 0000000000..17c0f6750d
--- /dev/null
+++ b/benchmark/string_decoder/string-decoder-create.js
@@ -0,0 +1,22 @@
+'use strict';
+const common = require('../common.js');
+const StringDecoder = require('string_decoder').StringDecoder;
+
+const bench = common.createBenchmark(main, {
+  encoding: [
+    'ascii', 'utf8', 'utf-8', 'base64', 'ucs2', 'UTF-8', 'AscII', 'UTF-16LE'
+  ],
+  n: [25e6]
+});
+
+function main(conf) {
+  const encoding = conf.encoding;
+  const n = conf.n | 0;
+
+  bench.start();
+  for (var i = 0; i < n; ++i) {
+    const sd = new StringDecoder(encoding);
+    !!sd.encoding;
+  }
+  bench.end(n);
+}