packet_transport_internal_unittest.cc

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/*

 *  Copyright 2024 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 "p2p/base/packet_transport_internal.h"

#include <optional>

#include "p2p/test/fake_packet_transport.h"

#include "rtc_base/network/ecn_marking.h"

#include "rtc_base/network/received_packet.h"

#include "rtc_base/socket_address.h"

#include "test/gmock.h"

#include "test/gtest.h"

namespace {

using ::testing::MockFunction;

TEST(PacketTransportInternal,

     NotifyPacketReceivedPassthrougPacketToRegisteredListener) {

  webrtc::FakePacketTransport packet_transport("test");

  MockFunction<void(webrtc::PacketTransportInternal*,

                    const webrtc::ReceivedIpPacket&)>

      receiver;

  packet_transport.RegisterReceivedPacketCallback(&receiver,

                                                  receiver.AsStdFunction());

  EXPECT_CALL(receiver, Call)

      .WillOnce([](webrtc::PacketTransportInternal*,

                   const webrtc::ReceivedIpPacket& packet) {

        EXPECT_EQ(packet.decryption_info(),

                  webrtc::ReceivedIpPacket::kDtlsDecrypted);

});

  packet_transport.NotifyPacketReceived(webrtc::ReceivedIpPacket(

      {}, webrtc::SocketAddress(), std::nullopt, webrtc::EcnMarking::kNotEct,

      webrtc::ReceivedIpPacket::kDtlsDecrypted));

  packet_transport.DeregisterReceivedPacketCallback(&receiver);

TEST(PacketTransportInternal, NotifiesOnceOnClose) {

  webrtc::FakePacketTransport packet_transport("test");

  int call_count = 0;

  packet_transport.SetOnCloseCallback([&]() { ++call_count; });

  ASSERT_EQ(call_count, 0);

  packet_transport.NotifyOnClose();

  EXPECT_EQ(call_count, 1);

  packet_transport.NotifyOnClose();

  EXPECT_EQ(call_count, 1);  // Call count should not have increased.

}  // namespace