1 files changed, 40 insertions, 0 deletions
diff --git a/net/dcsctp/socket/state_cookie_test.cc b/net/dcsctp/socket/state_cookie_test.cc
new file mode 100644
index 0000000000..eab41a7a56
--- /dev/null
+++ b/net/dcsctp/socket/state_cookie_test.cc
@@ -0,0 +1,40 @@
+/*
+ *  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};
+  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);
+}
+
+}  // namespace
+}  // namespace dcsctp