diff --git a/adaptercore/statsmanager_test.go b/adaptercore/statsmanager_test.go
new file mode 100644
index 0000000..e6ef321
--- /dev/null
+++ b/adaptercore/statsmanager_test.go
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//Package adaptercore provides the utility for olt devices, flows and statistics
+package adaptercore
+
+import (
+	"testing"
+
+	"github.com/opencord/voltha-go/common/log"
+	"github.com/opencord/voltha-protos/go/openolt"
+	"github.com/opencord/voltha-protos/go/voltha"
+)
+
+func init() {
+	_, _ = log.AddPackage(log.JSON, log.DebugLevel, nil)
+}
+func TestOpenOltStatisticsMgr_PortStatisticsIndication(t *testing.T) {
+	device := &voltha.Device{
+		Id:       "olt",
+		Root:     true,
+		ParentId: "logical_device",
+		Ports: []*voltha.Port{
+			{PortNo: 1, Label: "pon", Type: voltha.Port_ETHERNET_UNI},
+			{PortNo: 2, Label: "nni", Type: voltha.Port_ETHERNET_NNI},
+		},
+		ProxyAddress: &voltha.Device_ProxyAddress{
+			DeviceId:       "olt",
+			DeviceType:     "onu",
+			ChannelId:      1,
+			ChannelGroupId: 1,
+		},
+		ConnectStatus: 1,
+	}
+	dh := &DeviceHandler{}
+	dh.device = device
+	StatMgr := NewOpenOltStatsMgr(dh)
+
+	type args struct {
+		PortStats *openolt.PortStatistics
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		// TODO: Add test cases.
+		{"PortStatisticsIndication", args{PortStats: &openolt.PortStatistics{}}},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			StatMgr.PortStatisticsIndication(tt.args.PortStats)
+		})
+	}
+}