encoding/binary: add benchmark for writing slice of uint8

1 files changed, 13 insertions, 0 deletions

diff --git a/src/encoding/binary/binary_test.go b/src/encoding/binary/binary_test.go
index 4b22b28843..5fa9beda6d 100644
--- a/src/encoding/binary/binary_test.go
+++ b/src/encoding/binary/binary_test.go
@@ -697,6 +697,19 @@ func BenchmarkWriteSlice1000Int32s(b *testing.B) {
 	b.StopTimer()
 }
 
+func BenchmarkWriteSlice1024Uint8(b *testing.B) {
+	slice := make([]byte, 1024)
+	buf := new(bytes.Buffer)
+	buf.Grow(1024)
+	var w io.Writer = buf
+	b.SetBytes(1024)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		Write(w, BigEndian, slice)
+	}
+}
+
 func BenchmarkPutUint16(b *testing.B) {
 	b.SetBytes(2)
 	for i := 0; i < b.N; i++ {