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1 files changed, 21 insertions, 0 deletions

diff --git a/date-fns/src/startOfYear/benchmark.js b/date-fns/src/startOfYear/benchmark.js
new file mode 100644
index 0000000..4a2893e
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+++ b/date-fns/src/startOfYear/benchmark.js
@@ -0,0 +1,21 @@
+// @flow
+/* eslint-env mocha */
+/* global suite, benchmark */
+
+import startOfYear from '.'
+import moment from 'moment'
+
+suite('startOfYear', function () {
+  benchmark('date-fns', function () {
+    return startOfYear(this.date)
+  })
+
+  benchmark('Moment.js', function () {
+    return this.moment.startOf('year')
+  })
+}, {
+  setup: function () {
+    this.date = new Date()
+    this.moment = moment()
+  }
+})