arc: bluetooth: Add SDP host side support

components/arc/bluetooth/bluetooth_type_converters_unittest.cc

Index: components/arc/bluetooth/bluetooth_type_converters_unittest.cc
diff --git a/components/arc/bluetooth/bluetooth_type_converters_unittest.cc b/components/arc/bluetooth/bluetooth_type_converters_unittest.cc
index 57e296d2516ab7544bd68f75f861ed5c1b859fea..1b764d8202270f0179f9dba2a7b7eceaf8930a3d 100644
--- a/components/arc/bluetooth/bluetooth_type_converters_unittest.cc
+++ b/components/arc/bluetooth/bluetooth_type_converters_unittest.cc
@@ -4,15 +4,20 @@
 
 #include "components/arc/bluetooth/bluetooth_type_converters.h"
 
+#include <algorithm>
+#include <memory>
 #include <string>
 #include <vector>
 
+#include "base/values.h"
 #include "device/bluetooth/bluetooth_gatt_service.h"
 #include "device/bluetooth/bluetooth_uuid.h"
+#include "device/bluetooth/bluez/bluetooth_service_attribute_value_bluez.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
+
 constexpr char kAddressStr[] = "1A:2B:3C:4D:5E:6F";
 constexpr char kInvalidAddressStr[] = "00:00:00:00:00:00";
 constexpr uint8_t kAddressArray[] = {0x1a, 0x2b, 0x3c, 0x4d, 0x5e, 0x6f};
@@ -23,6 +28,66 @@ constexpr uint8_t kUuidArray[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34,
                                   0x23, 0x45, 0x67, 0x89};
 constexpr size_t kUuidSize = 16;
 constexpr uint8_t kFillerByte = 0x79;
+
+arc::mojom::BluetoothSdpAttributePtr CreateDeepMojoSequenceAttribute(
+    int layer) {
+  auto value = arc::mojom::BluetoothSdpAttribute::New();
+
+  if (layer < mojo::BLUETOOTH_SDP_MAX_LAYER + 3) {
+    value->type = bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE;
+    value->value.Clear();
+    value->sequence.push_back(CreateDeepMojoSequenceAttribute(layer + 1));
+    value->type_size = static_cast<uint32_t>(value->sequence.size());
+  } else {
+    uint16_t data = 3;
+    value->type = bluez::BluetoothServiceAttributeValueBlueZ::UINT;
+    value->type_size = static_cast<uint32_t>(sizeof(data));
+    value->value.AppendInteger(static_cast<int>(data));
+    value->sequence = mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+  }
+  return value;
+}
+
+int CountDepthOfBlueZAttribute(

[rickyz (no longer on Chrome), 2016/09/02 02:25:20]

I think the normal way to write this is without the extra parameter:

int get_depth(obj) {
  int depth = 1;
  for (child : obj.children) {
    depth = max(depth, 1 + get_depth(child));
  }

  return depth;
}

[Miao, 2016/09/02 18:10:08]

Done.

+    int layer,
+    const bluez::BluetoothServiceAttributeValueBlueZ& attribute) {
+  if (attribute.type() ==
+      bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE) {
+    int depth = 0;
+    for (const auto& value : attribute.sequence())
+      depth = std::max(CountDepthOfBlueZAttribute(layer + 1, value), depth);
+    return depth;
+  }
+  return layer;
+}
+
+bluez::BluetoothServiceAttributeValueBlueZ CreateDeepBlueZSequenceAttribute(
+    int layer) {
+  if (layer < mojo::BLUETOOTH_SDP_MAX_LAYER + 3) {
+    std::unique_ptr<bluez::BluetoothServiceAttributeValueBlueZ::Sequence>
+        sequence(new bluez::BluetoothServiceAttributeValueBlueZ::Sequence());
+    sequence->push_back(CreateDeepBlueZSequenceAttribute(layer + 1));
+
+    return bluez::BluetoothServiceAttributeValueBlueZ(std::move(sequence));
+  } else {
+    return bluez::BluetoothServiceAttributeValueBlueZ(
+        bluez::BluetoothServiceAttributeValueBlueZ::UINT, sizeof(uint16_t),
+        base::WrapUnique(new base::FundamentalValue(3)));
+  }
+}
+
+int CountDepthOfMojoAttribute(
+    int layer,
+    const arc::mojom::BluetoothSdpAttributePtr& attribute) {
+  if (attribute->type == bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE) {
+    int depth = 0;
+    for (const auto& value : attribute->sequence)
+      depth = std::max(CountDepthOfMojoAttribute(layer + 1, value), depth);
+    return depth;
+  }
+  return layer;
+}
+
 }  // namespace
 
 namespace mojo {
@@ -80,4 +145,370 @@ TEST(BluetoothTypeConvertorTest,
   EXPECT_FALSE(uuidMojo.To<device::BluetoothUUID>().IsValid());
 }
 
+TEST(BluetoothTypeConvertorTest, ConvertMojoValueAttributeToBlueZAttribute) {
+  // Construct Mojo attribute with NULLTYPE value.
+  auto nulltypeAttributeMojo = arc::mojom::BluetoothSdpAttribute::New();
+  nulltypeAttributeMojo->type =
+      bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE;
+  nulltypeAttributeMojo->type_size = 0;
+  nulltypeAttributeMojo->value.Append(base::Value::CreateNullValue());
+  nulltypeAttributeMojo->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto nulltypeAttributeBlueZ =
+      nulltypeAttributeMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE,
+            nulltypeAttributeBlueZ.type());
+  EXPECT_EQ((size_t)0, nulltypeAttributeBlueZ.size());

[rickyz (no longer on Chrome), 2016/09/02 02:25:20]

nit: Would prefer 0u or size_t(0) here and elsewhere.

[Miao, 2016/09/02 18:10:08]

Done.

+  EXPECT_EQ(base::Value::TYPE_NULL, nulltypeAttributeBlueZ.value().GetType());
+
+  // Construct Mojo attribute with TYPE_BOOLEAN value.
+  bool valueBool = true;
+  auto boolAttributeMojo = arc::mojom::BluetoothSdpAttribute::New();
+  boolAttributeMojo->type = bluez::BluetoothServiceAttributeValueBlueZ::BOOL;
+  boolAttributeMojo->type_size = static_cast<uint32_t>(sizeof(valueBool));
+  boolAttributeMojo->value.AppendBoolean(valueBool);
+  boolAttributeMojo->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto boolAttributeBlueZ =
+      boolAttributeMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::BOOL,
+            boolAttributeBlueZ.type());
+  EXPECT_EQ(sizeof(valueBool), boolAttributeBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_BOOLEAN, boolAttributeBlueZ.value().GetType());
+  EXPECT_TRUE(boolAttributeBlueZ.value().GetAsBoolean(&valueBool));
+  EXPECT_TRUE(valueBool);
+
+  // Construct Mojo attribute with TYPE_UINT value.
+  uint16_t valueUint16 = 10;
+  int valueUint16AsInt = 0;
+  auto uintAttributeMojo = arc::mojom::BluetoothSdpAttribute::New();
+  uintAttributeMojo->type = bluez::BluetoothServiceAttributeValueBlueZ::UINT;
+  uintAttributeMojo->type_size = static_cast<uint32_t>(sizeof(valueUint16));
+  uintAttributeMojo->value.AppendInteger(static_cast<int>(valueUint16));
+  uintAttributeMojo->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto uintAttributeBlueZ =
+      uintAttributeMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UINT,
+            uintAttributeBlueZ.type());
+  EXPECT_EQ(sizeof(valueUint16), uintAttributeBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_INTEGER, uintAttributeBlueZ.value().GetType());
+  EXPECT_TRUE(uintAttributeBlueZ.value().GetAsInteger(&valueUint16AsInt));
+  EXPECT_EQ(valueUint16, static_cast<uint16_t>(valueUint16AsInt));
+
+  // Construct Mojo attribute with TYPE_INT value.
+  int16_t valueInt16 = 20;
+  int valueInt16AsInt = 0;
+  auto intAttributeMojo = arc::mojom::BluetoothSdpAttribute::New();
+  intAttributeMojo->type = bluez::BluetoothServiceAttributeValueBlueZ::INT;
+  intAttributeMojo->type_size = static_cast<uint32_t>(sizeof(valueInt16));
+  intAttributeMojo->value.AppendInteger(static_cast<int>(valueInt16));
+  intAttributeMojo->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto intAttributeBlueZ =
+      intAttributeMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::INT,
+            intAttributeBlueZ.type());
+  EXPECT_EQ(sizeof(valueInt16), intAttributeBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_INTEGER, intAttributeBlueZ.value().GetType());
+  EXPECT_TRUE(intAttributeBlueZ.value().GetAsInteger(&valueInt16AsInt));
+  EXPECT_EQ(valueInt16, static_cast<int16_t>(valueInt16AsInt));
+
+  // Construct Mojo attribute with TYPE_UUID.
+  std::string expectedUUID("00000000-0000-1000-8000-00805f9b34fb");
+  std::string actualUUID;
+  auto uuidAttributeMojo = arc::mojom::BluetoothSdpAttribute::New();
+  uuidAttributeMojo->type = bluez::BluetoothServiceAttributeValueBlueZ::UUID;
+  // UUIDs are all stored in string form, but it can be converted to one of
+  // UUID16, UUID32 and UUID128.
+  uuidAttributeMojo->type_size = static_cast<uint32_t>(sizeof(uint16_t));
+  uuidAttributeMojo->value.AppendString(expectedUUID);
+  uuidAttributeMojo->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto uuidAttributeBlueZ =
+      uuidAttributeMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UUID,
+            uuidAttributeBlueZ.type());
+  EXPECT_EQ(sizeof(uint16_t), uuidAttributeBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_STRING, uuidAttributeBlueZ.value().GetType());
+  EXPECT_TRUE(uuidAttributeBlueZ.value().GetAsString(&actualUUID));
+  EXPECT_EQ(expectedUUID, actualUUID);
+
+  // Construct Mojo attribute with TYPE_STRING. TYPE_URL is the same case as
+  // TYPE_STRING.
+  std::string expectedString("Some SDP service");
+  std::string actualString;
+  auto stringAttributeMojo = arc::mojom::BluetoothSdpAttribute::New();
+  stringAttributeMojo->type =
+      bluez::BluetoothServiceAttributeValueBlueZ::STRING;
+  stringAttributeMojo->type_size =
+      static_cast<uint32_t>(expectedString.length());
+  stringAttributeMojo->value.AppendString(expectedString);
+  stringAttributeMojo->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto stringAttributeBlueZ =
+      stringAttributeMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::STRING,
+            stringAttributeBlueZ.type());
+  EXPECT_EQ(expectedString.length(), stringAttributeBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_STRING, stringAttributeBlueZ.value().GetType());
+  EXPECT_TRUE(stringAttributeBlueZ.value().GetAsString(&actualString));
+  EXPECT_EQ(expectedString, actualString);
+}
+
+TEST(BluetoothTypeConvertorTest, ConvertMojoSequenceAttributeToBlueZAttribute) {
+  // Create an UUID value.
+  std::string l2capUUID("00000100-0000-1000-8000-00805f9b34fb");
+  auto valueUUID = arc::mojom::BluetoothSdpAttribute::New();
+  valueUUID->type = bluez::BluetoothServiceAttributeValueBlueZ::UUID;
+  valueUUID->type_size = static_cast<uint32_t>(sizeof(uint16_t));
+  valueUUID->value.AppendString(l2capUUID);
+  valueUUID->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  // Create an UINT value.
+  uint16_t l2capChannel = 3;
+  auto valueUint16 = arc::mojom::BluetoothSdpAttribute::New();
+  valueUint16->type = bluez::BluetoothServiceAttributeValueBlueZ::UINT;
+  valueUint16->type_size = static_cast<uint32_t>(sizeof(l2capChannel));
+  valueUint16->value.AppendInteger(static_cast<int>(l2capChannel));
+  valueUint16->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  // Create a sequence with the above two values.
+  auto sequenceMojo = arc::mojom::BluetoothSdpAttribute::New();
+  sequenceMojo->type = bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE;
+  sequenceMojo->sequence.push_back(std::move(valueUUID));
+  sequenceMojo->sequence.push_back(std::move(valueUint16));
+  sequenceMojo->type_size = sequenceMojo->sequence.size();
+  sequenceMojo->value.Clear();
+
+  auto sequenceBlueZ =
+      sequenceMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE,
+            sequenceBlueZ.type());
+  EXPECT_EQ(sequenceMojo->sequence.size(), sequenceBlueZ.sequence().size());
+
+  const auto& sequence = sequenceBlueZ.sequence();
+  std::string uuid;
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UUID,
+            sequence.at(0).type());
+  EXPECT_EQ(sizeof(uint16_t), sequence.at(0).size());
+  EXPECT_TRUE(sequence.at(0).value().GetAsString(&uuid));
+  EXPECT_EQ(l2capUUID, uuid);
+
+  int channel;
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UINT,
+            sequence.at(1).type());
+  EXPECT_EQ(sizeof(l2capChannel), sequence.at(1).size());
+  EXPECT_TRUE(sequence.at(1).value().GetAsInteger(&channel));
+  EXPECT_EQ(l2capChannel, static_cast<uint16_t>(channel));
+}
+
+TEST(BluetoothTypeConvertorTest,
+     ConvertInvalidMojoValueAttributeToBlueZAttribute) {
+  // Create a Mojo attribute without value defined.
+  auto valueNoData = arc::mojom::BluetoothSdpAttribute::New();
+  valueNoData->type = bluez::BluetoothServiceAttributeValueBlueZ::UINT;
+  valueNoData->type_size = static_cast<uint32_t>(sizeof(uint32_t));
+  valueNoData->value.Clear();
+  valueNoData->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto valueNoDataBlueZ =
+      valueNoData.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE,
+            valueNoDataBlueZ.type());
+  EXPECT_EQ((size_t)0, valueNoDataBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_NULL, valueNoDataBlueZ.value().GetType());
+}
+
+TEST(BluetoothTypeConvertorTest,
+     ConvertInvalidMojoSequenceAttributeToBlueZAttribute) {
+  // Create a Mojo attribute with an empty sequence.
+  auto sequenceNoData = arc::mojom::BluetoothSdpAttribute::New();
+  sequenceNoData->type = bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE;
+  sequenceNoData->type_size = 0;
+  sequenceNoData->value.Append(base::Value::CreateNullValue());
+  sequenceNoData->sequence =
+      mojo::Array<arc::mojom::BluetoothSdpAttributePtr>::New(0);
+
+  auto sequenceNoDataBlueZ =
+      sequenceNoData.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE,
+            sequenceNoDataBlueZ.type());
+  EXPECT_EQ((size_t)0, sequenceNoDataBlueZ.size());
+  EXPECT_EQ(base::Value::TYPE_NULL, sequenceNoDataBlueZ.value().GetType());
+
+  // Create a Mojo attriubte with the depth = BLUETOOTH_SDP_MAX_LAYER + 3.
+  auto sequenceTooDeepMojo = CreateDeepMojoSequenceAttribute(0);
+  auto sequenceTooDeepBlueZ =
+      sequenceTooDeepMojo.To<bluez::BluetoothServiceAttributeValueBlueZ>();
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE,
+            sequenceTooDeepBlueZ.type());
+  EXPECT_EQ((size_t)1, sequenceTooDeepBlueZ.size());
+  EXPECT_EQ(mojo::BLUETOOTH_SDP_MAX_LAYER,
+            CountDepthOfBlueZAttribute(0, sequenceTooDeepBlueZ));
+}
+
+TEST(BluetoothTypeConvertorTest, ConvertBlueZValueAttributeToMojoAttribute) {
+  // Check NULL type.
+  auto nulltypeAttributeBlueZ = bluez::BluetoothServiceAttributeValueBlueZ();
+  base::Value* actualValue;
+
+  auto nulltypeAttributeMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(nulltypeAttributeBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE,
+            nulltypeAttributeMojo->type);
+  EXPECT_EQ((size_t)0, nulltypeAttributeMojo->type_size);
+  EXPECT_TRUE(nulltypeAttributeMojo->value.Get(0, &actualValue));
+  EXPECT_EQ(base::Value::TYPE_NULL, actualValue->GetType());
+
+  // Check integer types (INT, UINT).
+  uint16_t valueUint16 = 10;
+  int valueUint16AsInt;
+  auto uintAttributeBlueZ = bluez::BluetoothServiceAttributeValueBlueZ(
+      bluez::BluetoothServiceAttributeValueBlueZ::UINT, sizeof(valueUint16),
+      base::MakeUnique<base::FundamentalValue>(
+          base::FundamentalValue(static_cast<int>(valueUint16))));
+
+  auto uintAttributeMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(uintAttributeBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UINT,
+            uintAttributeMojo->type);
+  EXPECT_EQ(sizeof(valueUint16), uintAttributeMojo->type_size);
+  EXPECT_TRUE(uintAttributeMojo->value.GetInteger(0, &valueUint16AsInt));
+  EXPECT_EQ(valueUint16, static_cast<uint16_t>(valueUint16AsInt));
+
+  // Check bool type.
+  bool valueBool = false;
+  bool actualBool = true;
+  auto boolAttributeBlueZ = bluez::BluetoothServiceAttributeValueBlueZ(
+      bluez::BluetoothServiceAttributeValueBlueZ::BOOL, sizeof(bool),
+      base::MakeUnique<base::FundamentalValue>(
+          base::FundamentalValue(valueBool)));
+
+  auto boolAttributeMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(boolAttributeBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::BOOL,
+            boolAttributeMojo->type);
+  EXPECT_EQ(static_cast<uint32_t>(sizeof(valueBool)),
+            boolAttributeMojo->type_size);
+  EXPECT_TRUE(boolAttributeMojo->value.GetBoolean(0, &actualBool));
+  EXPECT_FALSE(valueBool);
+
+  // Check UUID type.
+  std::string valueUUID("00000100-0000-1000-8000-00805f9b34fb");
+  std::string actualUUID;
+  auto uuidAttributeBlueZ = bluez::BluetoothServiceAttributeValueBlueZ(
+      bluez::BluetoothServiceAttributeValueBlueZ::UUID, sizeof(uint16_t),
+      base::MakeUnique<base::StringValue>(base::StringValue(valueUUID)));
+
+  auto uuidAttributeMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(uuidAttributeBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UUID,
+            uuidAttributeMojo->type);
+  EXPECT_EQ(static_cast<uint32_t>(sizeof(uint16_t)),
+            uuidAttributeMojo->type_size);
+  EXPECT_TRUE(uuidAttributeMojo->value.GetString(0, &actualUUID));
+  EXPECT_EQ(valueUUID, actualUUID);
+
+  // Check string types (STRING, URL).
+  std::string valueString("Some Service Name");
+  std::string actualString;
+  auto stringAttributeBlueZ = bluez::BluetoothServiceAttributeValueBlueZ(
+      bluez::BluetoothServiceAttributeValueBlueZ::STRING, valueString.length(),
+      base::MakeUnique<base::StringValue>(valueString));
+
+  auto stringAttributeMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(stringAttributeBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::STRING,
+            stringAttributeMojo->type);
+  EXPECT_EQ(static_cast<uint32_t>(valueString.length()),
+            stringAttributeMojo->type_size);
+  EXPECT_TRUE(stringAttributeMojo->value.GetString(0, &actualString));
+  EXPECT_EQ(valueString, actualString);
+}
+
+TEST(BluetoothTypeConvertorTest, ConvertBlueZSequenceAttributeToMojoAttribute) {
+  std::string l2capUUID("00000100-0000-1000-8000-00805f9b34fb");
+  uint16_t l2capChannel = 3;
+
+  std::unique_ptr<bluez::BluetoothServiceAttributeValueBlueZ::Sequence>
+      sequence(new bluez::BluetoothServiceAttributeValueBlueZ::Sequence());
+  sequence->push_back(bluez::BluetoothServiceAttributeValueBlueZ(
+      bluez::BluetoothServiceAttributeValueBlueZ::UUID, sizeof(uint16_t),
+      base::MakeUnique<base::StringValue>(base::StringValue(l2capUUID))));
+  sequence->push_back(bluez::BluetoothServiceAttributeValueBlueZ(
+      bluez::BluetoothServiceAttributeValueBlueZ::UINT, sizeof(uint16_t),
+      base::MakeUnique<base::FundamentalValue>(
+          base::FundamentalValue(l2capChannel))));
+
+  auto sequenceBlueZ =
+      bluez::BluetoothServiceAttributeValueBlueZ(std::move(sequence));
+
+  ASSERT_EQ((size_t)2, sequenceBlueZ.sequence().size());
+
+  auto sequenceMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(sequenceBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE,
+            sequenceMojo->type);
+  EXPECT_EQ(static_cast<uint32_t>(sequenceBlueZ.size()),
+            sequenceMojo->type_size);
+  EXPECT_EQ(sequenceMojo->type_size, sequenceMojo->sequence.size());
+
+  std::string uuid;
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UUID,
+            sequenceMojo->sequence[0]->type);
+  EXPECT_EQ(static_cast<uint32_t>(sizeof(uint16_t)),
+            sequenceMojo->sequence[0]->type_size);
+  EXPECT_TRUE(sequenceMojo->sequence[0]->value.GetString(0, &uuid));
+  EXPECT_EQ(l2capUUID, uuid);
+
+  int channel;
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::UINT,
+            sequenceMojo->sequence[1]->type);
+  EXPECT_EQ(static_cast<uint32_t>(sizeof(uint16_t)),
+            sequenceMojo->sequence[1]->type_size);
+  EXPECT_TRUE(sequenceMojo->sequence[1]->value.GetInteger(0, &channel));
+  EXPECT_EQ(l2capChannel, static_cast<uint16_t>(channel));
+}
+
+TEST(BluetoothTypeConvertorTest,
+     ConvertDeepBlueZSequenceAttributeToBlueZAttribute) {
+  bluez::BluetoothServiceAttributeValueBlueZ sequenceBlueZ =
+      CreateDeepBlueZSequenceAttribute(0);
+
+  auto sequenceMojo =
+      ConvertTo<arc::mojom::BluetoothSdpAttributePtr>(sequenceBlueZ);
+
+  EXPECT_EQ(bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE,
+            sequenceMojo->type);
+  EXPECT_EQ((uint32_t)1, sequenceMojo->type_size);
+  EXPECT_EQ(mojo::BLUETOOTH_SDP_MAX_LAYER,
+            CountDepthOfMojoAttribute(0, sequenceMojo));
+}
+
 }  // namespace mojo