components/arc: implement multi advertising

components/arc/bluetooth/bluetooth_struct_traits_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/arc/bluetooth/bluetooth_struct_traits.h"
 
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 constexpr char kUuidStr[] = "12345678-1234-5678-9abc-def123456789";
 constexpr uint8_t kUuidArray[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34,
                                   0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf1,
                                   0x23, 0x45, 0x67, 0x89};
 constexpr size_t kUuidSize = 16;
 
+constexpr char kUuid16Str[] = "1234";
+constexpr uint16_t kUuid16 = 0x1234;
+constexpr uint8_t kServiceData[] = {0x11, 0x22, 0x33, 0x44, 0x55};
+constexpr size_t kServiceDataSize = 5;

[rickyz (no longer on Chrome), 2016/09/14 20:47:27]

nit: Would prefer arraysize from base/macros.h instead of a separate here and
elsewhere.

+constexpr uint8_t kManufacturerData[] = {0x00, 0xe0};
+constexpr size_t kManufacturerDataSize = 2;
+
 template <typename MojoType, typename UserType>
 mojo::StructPtr<MojoType> ConvertToMojo(UserType& input) {
   mojo::Array<uint8_t> data = MojoType::Serialize(&input);
   mojo::StructPtr<MojoType> output;
   MojoType::Deserialize(std::move(data), &output);
   return output;
 }
 
 template <typename MojoType, typename UserType>
 bool ConvertFromMojo(mojo::StructPtr<MojoType> input, UserType* output) {
@@ skipping 23 matching lines @@
   device::BluetoothUUID uuid_device;
   EXPECT_TRUE(ConvertFromMojo(std::move(uuid_mojo), &uuid_device));
   EXPECT_EQ(std::string(kUuidStr), uuid_device.canonical_value());
 
   // Size checks are performed in serialization code. UUIDs with a length
   // other than 16 bytes will not make it through the mojo deserialization
   // code since arc::mojom::BluetoothUUID::uuid is defined as
   // array<uint8, 16>.
 }
 
+TEST(BluetoothStructTraitsTest, DeserializeBluetoothAdvertisement) {
+  arc::mojom::BluetoothAdvertisementPtr advertisement_mojo =
+      arc::mojom::BluetoothAdvertisement::New();
+  mojo::Array<arc::mojom::BluetoothAdvertisingDataPtr> adv_data;
+
+  // Create service UUIDs.
+  arc::mojom::BluetoothAdvertisingDataPtr data =
+      arc::mojom::BluetoothAdvertisingData::New();
+  std::vector<device::BluetoothUUID> service_uuids;
+  service_uuids.push_back((device::BluetoothUUID(kUuidStr)));
+  data->set_service_uuids(service_uuids);
+  adv_data.push_back(std::move(data));
+
+  // Create service data.
+  data = arc::mojom::BluetoothAdvertisingData::New();
+  arc::mojom::BluetoothServiceDataPtr service_data =
+      arc::mojom::BluetoothServiceData::New();
+  service_data->uuid_16bit = kUuid16;
+  service_data->data = mojo::Array<uint8_t>::From(
+      std::vector<uint8_t>(kServiceData, kServiceData + kServiceDataSize));

[rickyz (no longer on Chrome), 2016/09/14 20:47:26]

nit: Can use (std::begin(kData), std::end(kData)) here and below.

+  data->set_service_data(std::move(service_data));
+  adv_data.push_back(std::move(data));
+
+  // Create manufacturer data.
+  data = arc::mojom::BluetoothAdvertisingData::New();
+  data->set_manufacturer_data(std::vector<uint8_t>(
+      kManufacturerData, kManufacturerData + kManufacturerDataSize));
+  adv_data.push_back(std::move(data));
+
+  advertisement_mojo->type =
+      arc::mojom::BluetoothAdvertisementType::ADV_TYPE_CONNECTABLE;
+  advertisement_mojo->data = std::move(adv_data);
+
+  std::unique_ptr<device::BluetoothAdvertisement::Data> advertisement;
+  EXPECT_TRUE(ConvertFromMojo(std::move(advertisement_mojo), &advertisement));
+
+  EXPECT_EQ(advertisement->type(),
+            device::BluetoothAdvertisement::ADVERTISEMENT_TYPE_PERIPHERAL);
+
+  std::unique_ptr<device::BluetoothAdvertisement::UUIDList> converted_uuids =
+      advertisement->service_uuids();
+  EXPECT_EQ(converted_uuids->size(), 1U);
+  EXPECT_EQ(*converted_uuids->begin(), kUuidStr);
+
+  std::unique_ptr<device::BluetoothAdvertisement::ServiceData>
+      converted_service = advertisement->service_data();
+  EXPECT_EQ(converted_service->size(), 1U);
+  EXPECT_EQ(converted_service->begin()->first, kUuid16Str);
+  for (size_t i = 0; i < kServiceDataSize; i++) {
+    EXPECT_EQ(kServiceData[i], converted_service->begin()->second[i]);
+  }
+
+  std::unique_ptr<device::BluetoothAdvertisement::ManufacturerData>
+      converted_manufacturer = advertisement->manufacturer_data();
+  EXPECT_EQ(converted_manufacturer->size(), 1U);
+  uint16_t cic = converted_manufacturer->begin()->first;
+  EXPECT_EQ(cic & 0xff, kManufacturerData[0]);
+  EXPECT_EQ((cic >> 8) & 0xff, kManufacturerData[1]);
+  EXPECT_EQ(
+      converted_manufacturer->begin()->second.size(),
+      static_cast<unsigned long>(kManufacturerDataSize - sizeof(uint16_t)));
+}
+
+TEST(BluetoothStructTraitsTest, DeserializeBluetoothAdvertisementFailure) {
+  arc::mojom::BluetoothAdvertisementPtr advertisement_mojo =
+      arc::mojom::BluetoothAdvertisement::New();
+  mojo::Array<arc::mojom::BluetoothAdvertisingDataPtr> adv_data;
+
+  // Create empty manufacturer data. Manufacturer data must include the CIC
+  // which is 2 bytes long.
+  arc::mojom::BluetoothAdvertisingDataPtr data =
+      arc::mojom::BluetoothAdvertisingData::New();
+  data->set_manufacturer_data((mojo::Array<uint8_t>()));
+  adv_data.push_back(std::move(data));
+
+  advertisement_mojo->type =
+      arc::mojom::BluetoothAdvertisementType::ADV_TYPE_CONNECTABLE;
+  advertisement_mojo->data = std::move(adv_data);
+
+  std::unique_ptr<device::BluetoothAdvertisement::Data> advertisement;
+  EXPECT_FALSE(ConvertFromMojo(std::move(advertisement_mojo), &advertisement));
+}
+
 }  // namespace mojo