Bluetooth: mac: Working on macOS descriptor implementation.

device/bluetooth/bluetooth_remote_gatt_characteristic_unittest.cc

 // Copyright 2015 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 <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
@@ skipping 53 matching lines @@
   // setup stage to test.
   void StartNotifyBoilerplate(
       int properties,
       uint16_t expected_config_descriptor_value,
       StartNotifySetupError error = StartNotifySetupError::NONE) {
     if (error == StartNotifySetupError::CHARACTERISTIC_PROPERTIES) {
       properties = 0;
     }
     ASSERT_NO_FATAL_FAILURE(FakeCharacteristicBoilerplate(properties));
 
-#if !defined(OS_MACOSX)
-    // macOS: Not applicable. CoreBluetooth exposes -[CBPeripheral
-    // setNotifyValue:forCharacteristic:] which handles all interactions with
-    // the CCC descriptor.
     size_t expected_descriptors_count = 0;
     if (error != StartNotifySetupError::CONFIG_DESCRIPTOR_MISSING) {
       SimulateGattDescriptor(
           characteristic1_,
           BluetoothRemoteGattDescriptor::ClientCharacteristicConfigurationUuid()
               .canonical_value());
       expected_descriptors_count++;
     }
     if (error == StartNotifySetupError::CONFIG_DESCRIPTOR_DUPLICATE) {
       SimulateGattDescriptor(
           characteristic1_,
           BluetoothRemoteGattDescriptor::ClientCharacteristicConfigurationUuid()
               .canonical_value());
       expected_descriptors_count++;
     }
     ASSERT_EQ(expected_descriptors_count,
               characteristic1_->GetDescriptors().size());
-#endif  // !defined(OS_MACOSX)
 
     if (error == StartNotifySetupError::SET_NOTIFY) {
       SimulateGattCharacteristicSetNotifyWillFailSynchronouslyOnce(
           characteristic1_);
     }
 
     if (error == StartNotifySetupError::WRITE_DESCRIPTOR) {
       SimulateGattDescriptorWriteWillFailSynchronouslyOnce(
           characteristic1_->GetDescriptors()[0]);
     }
@@ skipping 2033 matching lines @@
   EXPECT_EQ(1u, characteristic1_->GetDescriptorsByUUID(id2).size());
   EXPECT_EQ(2u, characteristic2_->GetDescriptorsByUUID(id3).size());
 
   EXPECT_EQ(0u, characteristic2_->GetDescriptorsByUUID(id1).size());
   EXPECT_EQ(0u, characteristic2_->GetDescriptorsByUUID(id2).size());
   EXPECT_EQ(0u, characteristic1_->GetDescriptorsByUUID(id3).size());
 }
 #endif  // defined(OS_ANDROID) || defined(OS_WIN)
 
 }  // namespace device