diff --git a/automotive/vehicle/2.0/default/Android.bp b/automotive/vehicle/2.0/default/Android.bp
index f9c25d1..2050038 100644
--- a/automotive/vehicle/2.0/default/Android.bp
+++ b/automotive/vehicle/2.0/default/Android.bp
@@ -62,6 +62,7 @@
         "impl/vhal_v2_0/EmulatedVehicleHal.cpp",
         "impl/vhal_v2_0/VehicleEmulator.cpp",
         "impl/vhal_v2_0/PipeComm.cpp",
+        "impl/vhal_v2_0/ProtoMessageConverter.cpp",
         "impl/vhal_v2_0/SocketComm.cpp",
         "impl/vhal_v2_0/LinearFakeValueGenerator.cpp",
         "impl/vhal_v2_0/JsonFakeValueGenerator.cpp",
@@ -98,6 +99,21 @@
     test_suites: ["general-tests"],
 }
 
+cc_test {
+    name: "android.hardware.automotive.vehicle@2.0-default-impl-unit-tests",
+    vendor: true,
+    defaults: ["vhal_v2_0_defaults"],
+    srcs: [
+        "impl/vhal_v2_0/tests/ProtoMessageConverter_test.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.vehicle@2.0-default-impl-lib",
+        "android.hardware.automotive.vehicle@2.0-libproto-native",
+        "libprotobuf-cpp-lite",
+    ],
+    test_suites: ["general-tests"],
+}
+
 cc_binary {
     name: "android.hardware.automotive.vehicle@2.0-service",
     defaults: ["vhal_v2_0_defaults"],
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/ProtoMessageConverter.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/ProtoMessageConverter.cpp
new file mode 100644
index 0000000..db653be
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/ProtoMessageConverter.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#define LOG_TAG "ProtoMsgConverter"
+
+#include <memory>
+#include <vector>
+
+#include <log/log.h>
+
+#include <vhal_v2_0/VehicleUtils.h>
+
+#include "ProtoMessageConverter.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+
+namespace impl {
+
+namespace proto_msg_converter {
+
+// If protobuf class PROTO_VALUE has value in field PROTO_VARNAME,
+// then casting the value by CAST and copying it to VHAL_TYPE_VALUE->VHAL_TYPE_VARNAME
+#define CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(PROTO_VALUE, PROTO_VARNAME, VHAL_TYPE_VALUE, \
+                                                  VHAL_TYPE_VARNAME, CAST)                     \
+    if (PROTO_VALUE.has_##PROTO_VARNAME()) {                                                   \
+        (VHAL_TYPE_VALUE)->VHAL_TYPE_VARNAME = CAST(PROTO_VALUE.PROTO_VARNAME());              \
+    }
+
+// Copying the vector PROTO_VECNAME of protobuf class PROTO_VALUE to
+// VHAL_TYPE_VALUE->VHAL_TYPE_VECNAME, every element of PROTO_VECNAME
+// is casted by CAST
+#define CAST_COPY_PROTOBUF_VEC_TO_VHAL_TYPE(PROTO_VALUE, PROTO_VECNAME, VHAL_TYPE_VALUE, \
+                                            VHAL_TYPE_VECNAME, CAST)                     \
+    do {                                                                                 \
+        (VHAL_TYPE_VALUE)->VHAL_TYPE_VECNAME.resize(PROTO_VALUE.PROTO_VECNAME##_size()); \
+        size_t idx = 0;                                                                  \
+        for (auto& value : PROTO_VALUE.PROTO_VECNAME()) {                                \
+            VHAL_TYPE_VALUE->VHAL_TYPE_VECNAME[idx++] = CAST(value);                     \
+        }                                                                                \
+    } while (0)
+
+// If protobuf message has value in field PROTO_VARNAME,
+// then copying it to VHAL_TYPE_VALUE->VHAL_TYPE_VARNAME
+#define CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(PROTO_VALUE, PROTO_VARNAME, VHAL_TYPE_VALUE, \
+                                             VHAL_TYPE_VARNAME)                           \
+    CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(                                            \
+            PROTO_VALUE, PROTO_VARNAME, VHAL_TYPE_VALUE, VHAL_TYPE_VARNAME, /*NO CAST*/)
+
+// Copying the vector PROTO_VECNAME of protobuf class PROTO_VALUE to
+// VHAL_TYPE_VALUE->VHAL_TYPE_VECNAME
+#define COPY_PROTOBUF_VEC_TO_VHAL_TYPE(PROTO_VALUE, PROTO_VECNAME, VHAL_TYPE_VALUE, \
+                                       VHAL_TYPE_VECNAME)                           \
+    CAST_COPY_PROTOBUF_VEC_TO_VHAL_TYPE(                                            \
+            PROTO_VALUE, PROTO_VECNAME, VHAL_TYPE_VALUE, VHAL_TYPE_VECNAME, /*NO CAST*/)
+
+void toProto(emulator::VehiclePropConfig* protoCfg, const VehiclePropConfig& cfg) {
+    protoCfg->set_prop(cfg.prop);
+    protoCfg->set_access(toInt(cfg.access));
+    protoCfg->set_change_mode(toInt(cfg.changeMode));
+    protoCfg->set_value_type(toInt(getPropType(cfg.prop)));
+
+    for (auto& configElement : cfg.configArray) {
+        protoCfg->add_config_array(configElement);
+    }
+
+    if (cfg.configString.size() > 0) {
+        protoCfg->set_config_string(cfg.configString.c_str(), cfg.configString.size());
+    }
+
+    protoCfg->clear_area_configs();
+    for (auto& areaConfig : cfg.areaConfigs) {
+        auto* protoACfg = protoCfg->add_area_configs();
+        protoACfg->set_area_id(areaConfig.areaId);
+
+        switch (getPropType(cfg.prop)) {
+            case VehiclePropertyType::STRING:
+            case VehiclePropertyType::BOOLEAN:
+            case VehiclePropertyType::INT32_VEC:
+            case VehiclePropertyType::INT64_VEC:
+            case VehiclePropertyType::FLOAT_VEC:
+            case VehiclePropertyType::BYTES:
+            case VehiclePropertyType::MIXED:
+                // Do nothing.  These types don't have min/max values
+                break;
+            case VehiclePropertyType::INT64:
+                protoACfg->set_min_int64_value(areaConfig.minInt64Value);
+                protoACfg->set_max_int64_value(areaConfig.maxInt64Value);
+                break;
+            case VehiclePropertyType::FLOAT:
+                protoACfg->set_min_float_value(areaConfig.minFloatValue);
+                protoACfg->set_max_float_value(areaConfig.maxFloatValue);
+                break;
+            case VehiclePropertyType::INT32:
+                protoACfg->set_min_int32_value(areaConfig.minInt32Value);
+                protoACfg->set_max_int32_value(areaConfig.maxInt32Value);
+                break;
+            default:
+                ALOGW("%s: Unknown property type:  0x%x", __func__, toInt(getPropType(cfg.prop)));
+                break;
+        }
+    }
+
+    protoCfg->set_min_sample_rate(cfg.minSampleRate);
+    protoCfg->set_max_sample_rate(cfg.maxSampleRate);
+}
+
+void fromProto(VehiclePropConfig* cfg, const emulator::VehiclePropConfig& protoCfg) {
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoCfg, prop, cfg, prop);
+    CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoCfg, access, cfg, access,
+                                              static_cast<VehiclePropertyAccess>);
+    CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoCfg, change_mode, cfg, changeMode,
+                                              static_cast<VehiclePropertyChangeMode>);
+    COPY_PROTOBUF_VEC_TO_VHAL_TYPE(protoCfg, config_array, cfg, configArray);
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoCfg, config_string, cfg, configString);
+
+    auto cast_to_acfg = [](const emulator::VehicleAreaConfig& protoAcfg) {
+        VehicleAreaConfig acfg;
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, area_id, &acfg, areaId);
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, min_int32_value, &acfg, minInt32Value);
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, max_int32_value, &acfg, maxInt32Value);
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, min_int64_value, &acfg, minInt64Value);
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, max_int64_value, &acfg, maxInt64Value);
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, min_float_value, &acfg, minFloatValue);
+        CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoAcfg, max_float_value, &acfg, maxFloatValue);
+        return acfg;
+    };
+
+    CAST_COPY_PROTOBUF_VEC_TO_VHAL_TYPE(protoCfg, area_configs, cfg, areaConfigs, cast_to_acfg);
+
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoCfg, min_sample_rate, cfg, minSampleRate);
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoCfg, max_sample_rate, cfg, maxSampleRate);
+}
+
+void toProto(emulator::VehiclePropValue* protoVal, const VehiclePropValue& val) {
+    protoVal->set_prop(val.prop);
+    protoVal->set_value_type(toInt(getPropType(val.prop)));
+    protoVal->set_timestamp(val.timestamp);
+    protoVal->set_status((emulator::VehiclePropStatus)(val.status));
+    protoVal->set_area_id(val.areaId);
+
+    // Copy value data if it is set.
+    //  - for bytes and strings, this is indicated by size > 0
+    //  - for int32, int64, and float, copy the values if vectors have data
+    if (val.value.stringValue.size() > 0) {
+        protoVal->set_string_value(val.value.stringValue.c_str(), val.value.stringValue.size());
+    }
+
+    if (val.value.bytes.size() > 0) {
+        protoVal->set_bytes_value(val.value.bytes.data(), val.value.bytes.size());
+    }
+
+    for (auto& int32Value : val.value.int32Values) {
+        protoVal->add_int32_values(int32Value);
+    }
+
+    for (auto& int64Value : val.value.int64Values) {
+        protoVal->add_int64_values(int64Value);
+    }
+
+    for (auto& floatValue : val.value.floatValues) {
+        protoVal->add_float_values(floatValue);
+    }
+}
+
+void fromProto(VehiclePropValue* val, const emulator::VehiclePropValue& protoVal) {
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoVal, prop, val, prop);
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoVal, timestamp, val, timestamp);
+    CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoVal, status, val, status,
+                                              static_cast<VehiclePropertyStatus>);
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoVal, area_id, val, areaId);
+
+    // Copy value data
+    CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoVal, string_value, val, value.stringValue);
+
+    auto cast_proto_bytes_to_vec = [](auto&& bytes) {
+        return std::vector<uint8_t>(bytes.begin(), bytes.end());
+    };
+    CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE(protoVal, bytes_value, val, value.bytes,
+                                              cast_proto_bytes_to_vec);
+
+    COPY_PROTOBUF_VEC_TO_VHAL_TYPE(protoVal, int32_values, val, value.int32Values);
+    COPY_PROTOBUF_VEC_TO_VHAL_TYPE(protoVal, int64_values, val, value.int64Values);
+    COPY_PROTOBUF_VEC_TO_VHAL_TYPE(protoVal, float_values, val, value.floatValues);
+}
+
+#undef COPY_PROTOBUF_VEC_TO_VHAL_TYPE
+#undef CHECK_COPY_PROTOBUF_VAR_TO_VHAL_TYPE
+#undef CAST_COPY_PROTOBUF_VEC_TO_VHAL_TYPE
+#undef CHECK_CAST_COPY_PROTOBUF_VAR_TO_VHAL_TYPE
+
+}  // namespace proto_msg_converter
+
+}  // namespace impl
+
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/ProtoMessageConverter.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/ProtoMessageConverter.h
new file mode 100644
index 0000000..90e6540
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/ProtoMessageConverter.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef android_hardware_automotive_vehicle_V2_0_impl_ProtoMessageConverter_H_
+#define android_hardware_automotive_vehicle_V2_0_impl_ProtoMessageConverter_H_
+
+#include <android/hardware/automotive/vehicle/2.0/types.h>
+
+#include "VehicleHalProto.pb.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+
+namespace impl {
+
+namespace proto_msg_converter {
+
+// VehiclePropConfig
+
+void toProto(emulator::VehiclePropConfig* protoCfg, const VehiclePropConfig& cfg);
+
+void fromProto(VehiclePropConfig* cfg, const emulator::VehiclePropConfig& protoCfg);
+
+// VehiclePropValue
+
+void toProto(emulator::VehiclePropValue* protoVal, const VehiclePropValue& val);
+
+void fromProto(VehiclePropValue* val, const emulator::VehiclePropValue& protoVal);
+
+}  // namespace proto_msg_converter
+
+}  // namespace impl
+
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_automotive_vehicle_V2_0_impl_VehicleHalEmulator_H_
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleEmulator.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleEmulator.cpp
index 9dc7085..2a68900 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleEmulator.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleEmulator.cpp
@@ -24,6 +24,7 @@
 #include <vhal_v2_0/VehicleUtils.h>
 
 #include "PipeComm.h"
+#include "ProtoMessageConverter.h"
 #include "SocketComm.h"
 
 #include "VehicleEmulator.h"
@@ -217,90 +218,12 @@
 
 void VehicleEmulator::populateProtoVehicleConfig(emulator::VehiclePropConfig* protoCfg,
                                                  const VehiclePropConfig& cfg) {
-    protoCfg->set_prop(cfg.prop);
-    protoCfg->set_access(toInt(cfg.access));
-    protoCfg->set_change_mode(toInt(cfg.changeMode));
-    protoCfg->set_value_type(toInt(getPropType(cfg.prop)));
-
-    for (auto& configElement : cfg.configArray) {
-        protoCfg->add_config_array(configElement);
-    }
-
-    if (cfg.configString.size() > 0) {
-        protoCfg->set_config_string(cfg.configString.c_str(), cfg.configString.size());
-    }
-
-    // Populate the min/max values based on property type
-    switch (getPropType(cfg.prop)) {
-        case VehiclePropertyType::STRING:
-        case VehiclePropertyType::BOOLEAN:
-        case VehiclePropertyType::INT32_VEC:
-        case VehiclePropertyType::INT64_VEC:
-        case VehiclePropertyType::FLOAT_VEC:
-        case VehiclePropertyType::BYTES:
-        case VehiclePropertyType::MIXED:
-            // Do nothing.  These types don't have min/max values
-            break;
-        case VehiclePropertyType::INT64:
-            if (cfg.areaConfigs.size() > 0) {
-                emulator::VehicleAreaConfig* aCfg = protoCfg->add_area_configs();
-                aCfg->set_min_int64_value(cfg.areaConfigs[0].minInt64Value);
-                aCfg->set_max_int64_value(cfg.areaConfigs[0].maxInt64Value);
-            }
-            break;
-        case VehiclePropertyType::FLOAT:
-            if (cfg.areaConfigs.size() > 0) {
-                emulator::VehicleAreaConfig* aCfg = protoCfg->add_area_configs();
-                aCfg->set_min_float_value(cfg.areaConfigs[0].minFloatValue);
-                aCfg->set_max_float_value(cfg.areaConfigs[0].maxFloatValue);
-            }
-            break;
-        case VehiclePropertyType::INT32:
-            if (cfg.areaConfigs.size() > 0) {
-                emulator::VehicleAreaConfig* aCfg = protoCfg->add_area_configs();
-                aCfg->set_min_int32_value(cfg.areaConfigs[0].minInt32Value);
-                aCfg->set_max_int32_value(cfg.areaConfigs[0].maxInt32Value);
-            }
-            break;
-        default:
-            ALOGW("%s: Unknown property type:  0x%x", __func__, toInt(getPropType(cfg.prop)));
-            break;
-    }
-
-    protoCfg->set_min_sample_rate(cfg.minSampleRate);
-    protoCfg->set_max_sample_rate(cfg.maxSampleRate);
+    return proto_msg_converter::toProto(protoCfg, cfg);
 }
 
 void VehicleEmulator::populateProtoVehiclePropValue(emulator::VehiclePropValue* protoVal,
                                                     const VehiclePropValue* val) {
-    protoVal->set_prop(val->prop);
-    protoVal->set_value_type(toInt(getPropType(val->prop)));
-    protoVal->set_timestamp(val->timestamp);
-    protoVal->set_status((emulator::VehiclePropStatus)(val->status));
-    protoVal->set_area_id(val->areaId);
-
-    // Copy value data if it is set.
-    //  - for bytes and strings, this is indicated by size > 0
-    //  - for int32, int64, and float, copy the values if vectors have data
-    if (val->value.stringValue.size() > 0) {
-        protoVal->set_string_value(val->value.stringValue.c_str(), val->value.stringValue.size());
-    }
-
-    if (val->value.bytes.size() > 0) {
-        protoVal->set_bytes_value(val->value.bytes.data(), val->value.bytes.size());
-    }
-
-    for (auto& int32Value : val->value.int32Values) {
-        protoVal->add_int32_values(int32Value);
-    }
-
-    for (auto& int64Value : val->value.int64Values) {
-        protoVal->add_int64_values(int64Value);
-    }
-
-    for (auto& floatValue : val->value.floatValues) {
-        protoVal->add_float_values(floatValue);
-    }
+    return proto_msg_converter::toProto(protoVal, *val);
 }
 
 }  // impl
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/tests/ProtoMessageConverter_test.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/tests/ProtoMessageConverter_test.cpp
new file mode 100644
index 0000000..d16c7c4
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/tests/ProtoMessageConverter_test.cpp
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#include <gtest/gtest.h>
+
+#include <utils/SystemClock.h>
+
+#include "vhal_v2_0/DefaultConfig.h"
+#include "vhal_v2_0/ProtoMessageConverter.h"
+#include "vhal_v2_0/VehicleUtils.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_0 {
+namespace impl {
+namespace proto_msg_converter {
+
+namespace {
+
+void CheckPropConfigConversion(const VehiclePropConfig& config) {
+    emulator::VehiclePropConfig protoCfg;
+    VehiclePropConfig tmpConfig;
+
+    toProto(&protoCfg, config);
+    fromProto(&tmpConfig, protoCfg);
+
+    EXPECT_EQ(config.prop, tmpConfig.prop);
+    EXPECT_EQ(config.access, tmpConfig.access);
+    EXPECT_EQ(config.changeMode, tmpConfig.changeMode);
+    EXPECT_EQ(config.configString, tmpConfig.configString);
+    EXPECT_EQ(config.minSampleRate, tmpConfig.minSampleRate);
+    EXPECT_EQ(config.maxSampleRate, tmpConfig.maxSampleRate);
+    EXPECT_EQ(config.configArray, tmpConfig.configArray);
+
+    EXPECT_EQ(config.areaConfigs.size(), tmpConfig.areaConfigs.size());
+
+    auto cfgType = getPropType(config.prop);
+    for (size_t idx = 0; idx < std::min(config.areaConfigs.size(), tmpConfig.areaConfigs.size());
+         ++idx) {
+        auto& lhs = config.areaConfigs[idx];
+        auto& rhs = tmpConfig.areaConfigs[idx];
+        EXPECT_EQ(lhs.areaId, rhs.areaId);
+        switch (cfgType) {
+            case VehiclePropertyType::INT64:
+                EXPECT_EQ(lhs.minInt64Value, rhs.minInt64Value);
+                EXPECT_EQ(lhs.maxInt64Value, rhs.maxInt64Value);
+                break;
+            case VehiclePropertyType::FLOAT:
+                EXPECT_EQ(lhs.minFloatValue, rhs.minFloatValue);
+                EXPECT_EQ(lhs.maxFloatValue, rhs.maxFloatValue);
+                break;
+            case VehiclePropertyType::INT32:
+                EXPECT_EQ(lhs.minInt32Value, rhs.minInt32Value);
+                EXPECT_EQ(lhs.maxInt32Value, rhs.maxInt32Value);
+                break;
+            default:
+                // ignore min/max values
+                break;
+        }
+    }
+}
+
+void CheckPropValueConversion(const VehiclePropValue& val) {
+    emulator::VehiclePropValue protoVal;
+    VehiclePropValue tmpVal;
+
+    toProto(&protoVal, val);
+    fromProto(&tmpVal, protoVal);
+
+    EXPECT_EQ(val, tmpVal);
+}
+
+TEST(ProtoMessageConverterTest, basic) {
+    for (auto& property : impl::kVehicleProperties) {
+        CheckPropConfigConversion(property.config);
+
+        VehiclePropValue prop;
+        prop.timestamp = elapsedRealtimeNano();
+        prop.areaId = 123;
+        prop.prop = property.config.prop;
+        prop.value = property.initialValue;
+        prop.status = VehiclePropertyStatus::ERROR;
+        CheckPropValueConversion(prop);
+    }
+}
+
+}  // namespace
+
+}  // namespace proto_msg_converter
+}  // namespace impl
+}  // namespace V2_0
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android