bluetooth: android: Initial basic Descriptors implementation.

device/bluetooth/bluetooth_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 "device/bluetooth/bluetooth_gatt_characteristic.h"
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/run_loop.h"
@@ skipping 683 matching lines @@
   ASSERT_TRUE(notify_sessions_[1]);
   EXPECT_EQ(characteristic1_->GetIdentifier(),
             notify_sessions_[0]->GetCharacteristicIdentifier());
   EXPECT_EQ(characteristic1_->GetIdentifier(),
             notify_sessions_[1]->GetCharacteristicIdentifier());
   EXPECT_TRUE(notify_sessions_[0]->IsActive());
   EXPECT_TRUE(notify_sessions_[1]->IsActive());
 }
 #endif  // defined(OS_ANDROID)
 
+#if defined(OS_ANDROID)
+TEST_F(BluetoothGattCharacteristicTest, GetDescriptors_FindNone) {
+  ASSERT_NO_FATAL_FAILURE(FakeCharacteristicBoilerplate());
+
+  EXPECT_EQ(0u, characteristic1_->GetDescriptors().size());
+}
+#endif  // defined(OS_ANDROID)
+
+#if defined(OS_ANDROID)
+TEST_F(BluetoothGattCharacteristicTest, GetDescriptors_and_GetDescriptor) {
+  ASSERT_NO_FATAL_FAILURE(FakeCharacteristicBoilerplate());
+
+  // Add several Descriptors:
+  BluetoothUUID uuid1("11111111-0000-1000-8000-00805f9b34fb");
+  BluetoothUUID uuid2("22222222-0000-1000-8000-00805f9b34fb");
+  BluetoothUUID uuid3("33333333-0000-1000-8000-00805f9b34fb");
+  BluetoothUUID uuid4("44444444-0000-1000-8000-00805f9b34fb");
+  SimulateGattDescriptor(characteristic1_, uuid1.canonical_value());
+  SimulateGattDescriptor(characteristic1_, uuid2.canonical_value());
+  SimulateGattDescriptor(characteristic2_, uuid3.canonical_value());
+  SimulateGattDescriptor(characteristic2_, uuid4.canonical_value());
+
+  // Verify that GetDescriptor can retrieve descriptors again by ID,
+  // and that the same Descriptor is returned when searched by ID.
+  EXPECT_EQ(2u, characteristic1_->GetDescriptors().size());
+  EXPECT_EQ(2u, characteristic2_->GetDescriptors().size());
+  std::string c1_id1 = characteristic1_->GetDescriptors()[0]->GetIdentifier();
+  std::string c1_id2 = characteristic1_->GetDescriptors()[1]->GetIdentifier();
+  std::string c2_id1 = characteristic2_->GetDescriptors()[0]->GetIdentifier();
+  std::string c2_id2 = characteristic2_->GetDescriptors()[1]->GetIdentifier();
+  BluetoothUUID c1_uuid1 = characteristic1_->GetDescriptors()[0]->GetUUID();
+  BluetoothUUID c1_uuid2 = characteristic1_->GetDescriptors()[1]->GetUUID();
+  BluetoothUUID c2_uuid1 = characteristic2_->GetDescriptors()[0]->GetUUID();
+  BluetoothUUID c2_uuid2 = characteristic2_->GetDescriptors()[1]->GetUUID();
+  EXPECT_EQ(c1_uuid1, characteristic1_->GetDescriptor(c1_id1)->GetUUID());
+  EXPECT_EQ(c1_uuid2, characteristic1_->GetDescriptor(c1_id2)->GetUUID());
+  EXPECT_EQ(c2_uuid1, characteristic2_->GetDescriptor(c2_id1)->GetUUID());
+  EXPECT_EQ(c2_uuid2, characteristic2_->GetDescriptor(c2_id2)->GetUUID());
+
+  // Multiple GetDescriptor calls for an ID return the same object:
+  EXPECT_EQ(characteristic1_->GetDescriptor(c1_id1)->GetUUID(),

[Jeffrey Yasskin, 2016/01/12 23:25:59]

Remove "->GetUUID()".

Could you also check that it's the same as what GetDescriptors()[0] returns?

[scheib, 2016/01/12 23:54:46]

Done.

+            characteristic1_->GetDescriptor(c1_id1)->GetUUID());
+
+  // Characteristic 1 has descriptor uuids 1 and 2 (we don't know the order).
+  EXPECT_TRUE(c1_uuid1 == uuid1 || c1_uuid2 == uuid1);
+  EXPECT_TRUE(c1_uuid1 == uuid2 || c1_uuid2 == uuid2);
+  // ... but not uuid 3
+  EXPECT_FALSE(c1_uuid1 == uuid3 || c1_uuid2 == uuid3);
+}
+#endif  // defined(OS_ANDROID)
+
 }  // namespace device