1 files changed, 24 insertions, 0 deletions
diff --git a/encoding/protojson/bench_test.go b/encoding/protojson/bench_test.go
new file mode 100644
index 00000000..8d5a0bb6
--- /dev/null
+++ b/encoding/protojson/bench_test.go
@@ -0,0 +1,24 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package protojson_test
+
+import (
+	"testing"
+
+	"google.golang.org/protobuf/encoding/protojson"
+
+	"google.golang.org/protobuf/types/known/durationpb"
+)
+
+func BenchmarkUnmarshal_Duration(b *testing.B) {
+	input := []byte(`"-123456789.123456789s"`)
+
+	for i := 0; i < b.N; i++ {
+		err := protojson.Unmarshal(input, &durationpb.Duration{})
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}