1 files changed, 76 insertions, 0 deletions
diff --git a/third_party/libwebrtc/pc/data_channel_controller_unittest.cc b/third_party/libwebrtc/pc/data_channel_controller_unittest.cc
new file mode 100644
index 0000000000..2f5c924796
--- /dev/null
+++ b/third_party/libwebrtc/pc/data_channel_controller_unittest.cc
@@ -0,0 +1,76 @@
+/*
+ *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "pc/data_channel_controller.h"
+
+#include <memory>
+
+#include "pc/peer_connection_internal.h"
+#include "pc/sctp_data_channel.h"
+#include "pc/test/mock_peer_connection_internal.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+
+namespace {
+
+using ::testing::NiceMock;
+using ::testing::Return;
+
+class DataChannelControllerTest : public ::testing::Test {
+ protected:
+  DataChannelControllerTest() {
+    pc_ = rtc::make_ref_counted<NiceMock<MockPeerConnectionInternal>>();
+    ON_CALL(*pc_, signaling_thread)
+        .WillByDefault(Return(rtc::Thread::Current()));
+  }
+
+  rtc::AutoThread main_thread_;
+  rtc::scoped_refptr<NiceMock<MockPeerConnectionInternal>> pc_;
+};
+
+TEST_F(DataChannelControllerTest, CreateAndDestroy) {
+  DataChannelController dcc(pc_.get());
+}
+
+TEST_F(DataChannelControllerTest, CreateDataChannelEarlyRelease) {
+  DataChannelController dcc(pc_.get());
+  auto channel = dcc.InternalCreateDataChannelWithProxy(
+      "label",
+      std::make_unique<InternalDataChannelInit>(DataChannelInit()).get());
+  channel = nullptr;  // dcc holds a reference to channel, so not destroyed yet
+}
+
+TEST_F(DataChannelControllerTest, CreateDataChannelLateRelease) {
+  auto dcc = std::make_unique<DataChannelController>(pc_.get());
+  auto channel = dcc->InternalCreateDataChannelWithProxy(
+      "label",
+      std::make_unique<InternalDataChannelInit>(DataChannelInit()).get());
+  dcc.reset();
+  channel = nullptr;
+}
+
+TEST_F(DataChannelControllerTest, CloseAfterControllerDestroyed) {
+  auto dcc = std::make_unique<DataChannelController>(pc_.get());
+  auto channel = dcc->InternalCreateDataChannelWithProxy(
+      "label",
+      std::make_unique<InternalDataChannelInit>(DataChannelInit()).get());
+  // Connect to provider
+  auto inner_channel =
+      DowncastProxiedDataChannelInterfaceToSctpDataChannelForTesting(
+          channel.get());
+  dcc->ConnectDataChannel(inner_channel);
+  dcc.reset();
+  channel->Close();
+}
+
+}  // namespace
+}  // namespace webrtc