bluetooth: Introduce SetLowEnergyAvailableForTesting

device/bluetooth/bluetooth_adapter_factory.cc

 // Copyright (c) 2012 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 "device/bluetooth/bluetooth_adapter_factory.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
 namespace device {
 
 namespace {
 
+static base::LazyInstance<BluetoothAdapterFactory>::Leaky g_singleton =
+    LAZY_INSTANCE_INITIALIZER;
+
 // Shared default adapter instance.  We don't want to keep this class around
 // if nobody is using it, so use a WeakPtr and create the object when needed.
 // Since Google C++ Style (and clang's static analyzer) forbids us having
 // exit-time destructors, we use a leaky lazy instance for it.
 base::LazyInstance<base::WeakPtr<BluetoothAdapter>>::Leaky default_adapter =
     LAZY_INSTANCE_INITIALIZER;
 
 #if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)
 typedef std::vector<BluetoothAdapterFactory::AdapterCallback>
     AdapterCallbackList;
@@ skipping 12 matching lines @@
        iter != adapter_callbacks.Get().end();
        ++iter) {
     iter->Run(adapter);
   }
   adapter_callbacks.Get().clear();
 }
 #endif  // defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)
 
 }  // namespace
 
+BluetoothAdapterFactory::~BluetoothAdapterFactory() {}
+
+// static
+BluetoothAdapterFactory& BluetoothAdapterFactory::Get() {
+  return g_singleton.Get();
+}
+
 // static
 bool BluetoothAdapterFactory::IsBluetoothAdapterAvailable() {
   // SetAdapterForTesting() may be used to provide a test or mock adapter
   // instance even on platforms that would otherwise not support it.
   if (default_adapter.Get())
     return true;
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS) || defined(OS_WIN) || \
     defined(OS_LINUX) || defined(OS_MACOSX)
   return true;
 #else
   return false;
 #endif
 }
 
-// static
 bool BluetoothAdapterFactory::IsLowEnergyAvailable() {
+  if (le_available_for_testing_) {
+    return le_available_for_testing_.value();
+  }
+
   DCHECK(IsBluetoothAdapterAvailable());
 
   // SetAdapterForTesting() may be used to provide a test or mock adapter
   // instance even on platforms that would otherwise not support it.
   if (default_adapter.Get())
     return true;
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS) || defined(OS_WIN) || \
     defined(OS_LINUX)
   return true;
 #elif defined(OS_MACOSX)
@@ skipping 42 matching lines @@
 void BluetoothAdapterFactory::SetAdapterForTesting(
     scoped_refptr<BluetoothAdapter> adapter) {
   default_adapter.Get() = adapter->GetWeakPtrForTesting();
 }
 
 // static
 bool BluetoothAdapterFactory::HasSharedInstanceForTesting() {
   return default_adapter.Get() != nullptr;
 }
 
+void BluetoothAdapterFactory::SetLowEnergyAvailableForTesting(bool available) {
+  le_available_for_testing_ = base::make_optional(available);
+}
+
+BluetoothAdapterFactory::BluetoothAdapterFactory() {}
+
 }  // namespace device