Add pdu benchmarks

pdu/pdu_test.go

@@ -450,3 +450,43 @@ func TestSizeReturns16(t *testing.T) {
 		t.Errorf("Expected size to be 16, got %d", p.Size())
 	}
 }
+
+// region benchmarks
+
+// With buffer pool
+func BenchmarkEncode(b *testing.B) {
+	p := &PDU_HEADER{
+		command_length:  16,
+		command_id:      1,
+		command_status:  0,
+		sequence_number: 12345,
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		p.Encode()
+	}
+}
+
+// Without buffer pool
+func BenchmarkEncodeInto(b *testing.B) {
+	p := &PDU_HEADER{
+		command_length:  16,
+		command_id:      1,
+		command_status:  0,
+		sequence_number: 12345,
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		buf := make([]uint8, 16)
+		p.EncodeInto(&buf)
+	}
+}
+
+func BenchmarkDecode(b *testing.B) {
+	p := &PDU_HEADER{}
+	data := []uint8{0, 0, 0, 16, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 3}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		p.Decode(data)
+	}
+}