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/*
* Copyright (c) 2021 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/state_cookie.h"
#include "net/dcsctp/testing/testing_macros.h"
#include "rtc_base/gunit.h"
#include "test/gmock.h"
namespace dcsctp {
namespace {
using ::testing::SizeIs;
TEST(StateCookieTest, SerializeAndDeserialize) {
Capabilities capabilities = {.partial_reliability = true,
.message_interleaving = false,
.reconfig = true,
.negotiated_maximum_incoming_streams = 123,
.negotiated_maximum_outgoing_streams = 234};
StateCookie cookie(VerificationTag(123), TSN(456),
/*a_rwnd=*/789, TieTag(101112), capabilities);
std::vector<uint8_t> serialized = cookie.Serialize();
EXPECT_THAT(serialized, SizeIs(StateCookie::kCookieSize));
ASSERT_HAS_VALUE_AND_ASSIGN(StateCookie deserialized,
StateCookie::Deserialize(serialized));
EXPECT_EQ(deserialized.initiate_tag(), VerificationTag(123));
EXPECT_EQ(deserialized.initial_tsn(), TSN(456));
EXPECT_EQ(deserialized.a_rwnd(), 789u);
EXPECT_EQ(deserialized.tie_tag(), TieTag(101112));
EXPECT_TRUE(deserialized.capabilities().partial_reliability);
EXPECT_FALSE(deserialized.capabilities().message_interleaving);
EXPECT_TRUE(deserialized.capabilities().reconfig);
EXPECT_EQ(deserialized.capabilities().negotiated_maximum_incoming_streams,
123);
EXPECT_EQ(deserialized.capabilities().negotiated_maximum_outgoing_streams,
234);
}
TEST(StateCookieTest, ValidateMagicValue) {
Capabilities capabilities = {.partial_reliability = true,
.message_interleaving = false,
.reconfig = true};
StateCookie cookie(VerificationTag(123), TSN(456),
/*a_rwnd=*/789, TieTag(101112), capabilities);
std::vector<uint8_t> serialized = cookie.Serialize();
ASSERT_THAT(serialized, SizeIs(StateCookie::kCookieSize));
absl::string_view magic(reinterpret_cast<const char*>(serialized.data()), 8);
EXPECT_EQ(magic, "dcSCTP00");
}
} // namespace
} // namespace dcsctp
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