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/*
* Copyright (c) 2023 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 "net/dcsctp/socket/transmission_control_block.h"
#include <array>
#include <cstdint>
#include <memory>
#include <optional>
#include <type_traits>
#include <vector>
#include "api/array_view.h"
#include "api/task_queue/task_queue_base.h"
#include "net/dcsctp/common/handover_testing.h"
#include "net/dcsctp/common/internal_types.h"
#include "net/dcsctp/packet/chunk/reconfig_chunk.h"
#include "net/dcsctp/packet/parameter/incoming_ssn_reset_request_parameter.h"
#include "net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h"
#include "net/dcsctp/packet/parameter/parameter.h"
#include "net/dcsctp/packet/parameter/reconfiguration_response_parameter.h"
#include "net/dcsctp/public/dcsctp_message.h"
#include "net/dcsctp/rx/data_tracker.h"
#include "net/dcsctp/rx/reassembly_queue.h"
#include "net/dcsctp/socket/capabilities.h"
#include "net/dcsctp/socket/mock_context.h"
#include "net/dcsctp/socket/mock_dcsctp_socket_callbacks.h"
#include "net/dcsctp/testing/data_generator.h"
#include "net/dcsctp/testing/testing_macros.h"
#include "net/dcsctp/timer/timer.h"
#include "net/dcsctp/tx/mock_send_queue.h"
#include "net/dcsctp/tx/retransmission_queue.h"
#include "rtc_base/gunit.h"
#include "test/gmock.h"
namespace dcsctp {
namespace {
using ::testing::Return;
using ::testing::StrictMock;
constexpr VerificationTag kMyVerificationTag = VerificationTag(123);
constexpr VerificationTag kPeerVerificationTag = VerificationTag(456);
constexpr TSN kMyInitialTsn = TSN(10);
constexpr TSN kPeerInitialTsn = TSN(1000);
constexpr size_t kArwnd = 65536;
constexpr TieTag kTieTag = TieTag(12345678);
class TransmissionControlBlockTest : public testing::Test {
protected:
TransmissionControlBlockTest()
: sender_(callbacks_, on_send_fn_.AsStdFunction()),
timer_manager_([this](webrtc::TaskQueueBase::DelayPrecision precision) {
return callbacks_.CreateTimeout(precision);
}) {}
DcSctpOptions options_;
Capabilities capabilities_;
StrictMock<MockDcSctpSocketCallbacks> callbacks_;
StrictMock<MockSendQueue> send_queue_;
testing::MockFunction<void(webrtc::ArrayView<const uint8_t>,
SendPacketStatus)>
on_send_fn_;
testing::MockFunction<bool()> on_connection_established;
PacketSender sender_;
TimerManager timer_manager_;
};
TEST_F(TransmissionControlBlockTest, LogsBasicInfoInToString) {
EXPECT_CALL(send_queue_, EnableMessageInterleaving);
capabilities_.negotiated_maximum_incoming_streams = 1000;
capabilities_.negotiated_maximum_outgoing_streams = 2000;
TransmissionControlBlock tcb(
timer_manager_, "log: ", options_, capabilities_, callbacks_, send_queue_,
kMyVerificationTag, kMyInitialTsn, kPeerVerificationTag, kPeerInitialTsn,
kArwnd, kTieTag, sender_, on_connection_established.AsStdFunction());
EXPECT_EQ(tcb.ToString(),
"verification_tag=000001c8, last_cumulative_ack=999, capabilities= "
"max_in=1000 max_out=2000");
}
TEST_F(TransmissionControlBlockTest, LogsAllCapabilitiesInToSring) {
EXPECT_CALL(send_queue_, EnableMessageInterleaving);
capabilities_.negotiated_maximum_incoming_streams = 1000;
capabilities_.negotiated_maximum_outgoing_streams = 2000;
capabilities_.message_interleaving = true;
capabilities_.partial_reliability = true;
capabilities_.zero_checksum = true;
capabilities_.reconfig = true;
TransmissionControlBlock tcb(
timer_manager_, "log: ", options_, capabilities_, callbacks_, send_queue_,
kMyVerificationTag, kMyInitialTsn, kPeerVerificationTag, kPeerInitialTsn,
kArwnd, kTieTag, sender_, on_connection_established.AsStdFunction());
EXPECT_EQ(
tcb.ToString(),
"verification_tag=000001c8, last_cumulative_ack=999, "
"capabilities=PR,IL,Reconfig,ZeroChecksum, max_in=1000 max_out=2000");
}
TEST_F(TransmissionControlBlockTest, IsInitiallyHandoverReady) {
EXPECT_CALL(send_queue_, EnableMessageInterleaving);
EXPECT_CALL(send_queue_, HasStreamsReadyToBeReset).WillOnce(Return(false));
TransmissionControlBlock tcb(
timer_manager_, "log: ", options_, capabilities_, callbacks_, send_queue_,
kMyVerificationTag, kMyInitialTsn, kPeerVerificationTag, kPeerInitialTsn,
kArwnd, kTieTag, sender_, on_connection_established.AsStdFunction());
EXPECT_TRUE(tcb.GetHandoverReadiness().IsReady());
}
} // namespace
} // namespace dcsctp
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