bluetooth: android: Initial BluetoothDeviceAndroid implementation.

device/bluetooth/bluetooth_adapter_unittest.cc

 // Copyright 2014 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 "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_discovery_session.h"
 #include "device/bluetooth/test/bluetooth_test.h"
+#include "device/bluetooth/test/test_bluetooth_adapter_observer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_ANDROID)
 #include "device/bluetooth/test/bluetooth_test_android.h"
 #endif
 
 using device::BluetoothDevice;
 
 namespace device {
 
@@ skipping 417 matching lines @@
   EXPECT_EQ(adapter_->GetName(), "FakeBluetoothAdapter");
   EXPECT_TRUE(adapter_->IsPresent());
   EXPECT_TRUE(adapter_->IsPowered());
   EXPECT_FALSE(adapter_->IsDiscoverable());
   EXPECT_FALSE(adapter_->IsDiscovering());
 }
 #endif  // defined(OS_ANDROID)
 
 // TODO(scheib): Enable BluetoothTest fixture tests on all platforms.
 #if defined(OS_ANDROID)
+// Starts and Stops a discovery session.
 TEST_F(BluetoothTest, DiscoverySession) {
   InitWithFakeAdapter();
   EXPECT_FALSE(adapter_->IsDiscovering());
 
   adapter_->StartDiscoverySession(GetDiscoverySessionCallback(),
                                   GetErrorCallback());
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, callback_count_--);
   EXPECT_EQ(0, error_callback_count_);
   EXPECT_TRUE(adapter_->IsDiscovering());
   ASSERT_EQ((size_t)1, discovery_sessions_.size());
   EXPECT_TRUE(discovery_sessions_[0]->IsActive());
 
   discovery_sessions_[0]->Stop(GetCallback(), GetErrorCallback());
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, callback_count_--);
   EXPECT_EQ(0, error_callback_count_);
   EXPECT_FALSE(adapter_->IsDiscovering());
   EXPECT_FALSE(discovery_sessions_[0]->IsActive());
 }
 #endif  // defined(OS_ANDROID)
 
+#if defined(OS_ANDROID)
+// Discovers a device.
+TEST_F(BluetoothTest, DiscoverDevice) {
+  InitWithFakeAdapter();
+  TestBluetoothAdapterObserver observer(adapter_);
+
+  // Start discovery and find a device.
+  adapter_->StartDiscoverySession(GetDiscoverySessionCallback(),
+                                  GetErrorCallback());
+  base::RunLoop().RunUntilIdle();
+  DiscoverLowEnergyDevice(1);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, observer.device_added_count());
+  BluetoothDevice* device = adapter_->GetDevice(observer.last_device_address());
+  EXPECT_TRUE(device);
+}
+#endif  // defined(OS_ANDROID)
+
+#if defined(OS_ANDROID)
+// Discovers the same device multiple times.
+TEST_F(BluetoothTest, DiscoverDeviceTwice) {
+  InitWithFakeAdapter();
+  TestBluetoothAdapterObserver observer(adapter_);
+
+  // Start discovery and find a device.
+  adapter_->StartDiscoverySession(GetDiscoverySessionCallback(),
+                                  GetErrorCallback());
+  base::RunLoop().RunUntilIdle();
+  DiscoverLowEnergyDevice(1);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(1, observer.device_added_count());
+  BluetoothDevice* device = adapter_->GetDevice(observer.last_device_address());
+  EXPECT_TRUE(device);
+
+  // Find the same device again. This should not create a new device object.
+  observer.Reset();
+  DiscoverLowEnergyDevice(1);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(0, observer.device_added_count());
+  EXPECT_EQ(0, observer.device_changed_count());
+  EXPECT_EQ(1u, adapter_->GetDevices().size());
+}
+#endif  // defined(OS_ANDROID)
+
+#if defined(OS_ANDROID)
+// Discovers a device, and then again with new Service UUIDs.
+TEST_F(BluetoothTest, DiscoverDeviceWithUpdatedUUIDs) {
+  InitWithFakeAdapter();
+  TestBluetoothAdapterObserver observer(adapter_);
+
+  // Start discovery and find a device.
+  adapter_->StartDiscoverySession(GetDiscoverySessionCallback(),
+                                  GetErrorCallback());
+  base::RunLoop().RunUntilIdle();
+  DiscoverLowEnergyDevice(1);
+  base::RunLoop().RunUntilIdle();
+  BluetoothDevice* device = observer.last_device();
+
+  // Check the initial UUIDs:
+  EXPECT_TRUE(ContainsValue(device->GetUUIDs(), BluetoothUUID("1800")));
+  EXPECT_FALSE(ContainsValue(device->GetUUIDs(), BluetoothUUID("1802")));
+
+  // Discover same device again with updated UUIDs:
+  observer.Reset();
+  DiscoverLowEnergyDevice(2);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(0, observer.device_added_count());
+  EXPECT_EQ(1, observer.device_changed_count());
+  EXPECT_EQ(1u, adapter_->GetDevices().size());
+  EXPECT_EQ(device, observer.last_device());
+
+  // Expect new UUIDs:
+  EXPECT_FALSE(ContainsValue(device->GetUUIDs(), BluetoothUUID("1800")));
+  EXPECT_TRUE(ContainsValue(device->GetUUIDs(), BluetoothUUID("1802")));
+}
+#endif  // defined(OS_ANDROID)
+
 }  // namespace device