1 files changed, 94 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/chunk/reconfig_chunk_test.cc b/third_party/libwebrtc/net/dcsctp/packet/chunk/reconfig_chunk_test.cc
new file mode 100644
index 0000000000..dbf40ff8c0
--- /dev/null
+++ b/third_party/libwebrtc/net/dcsctp/packet/chunk/reconfig_chunk_test.cc
@@ -0,0 +1,94 @@
+/*
+ *  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/packet/chunk/reconfig_chunk.h"
+
+#include <cstdint>
+#include <type_traits>
+#include <vector>
+
+#include "api/array_view.h"
+#include "net/dcsctp/packet/parameter/outgoing_ssn_reset_request_parameter.h"
+#include "net/dcsctp/packet/parameter/parameter.h"
+#include "net/dcsctp/packet/tlv_trait.h"
+#include "net/dcsctp/testing/testing_macros.h"
+#include "rtc_base/gunit.h"
+#include "test/gmock.h"
+
+namespace dcsctp {
+namespace {
+using ::testing::ElementsAre;
+using ::testing::SizeIs;
+
+TEST(ReConfigChunkTest, FromCapture) {
+  /*
+  RE_CONFIG chunk
+      Chunk type: RE_CONFIG (130)
+      Chunk flags: 0x00
+      Chunk length: 22
+      Outgoing SSN reset request parameter
+          Parameter type: Outgoing SSN reset request (0x000d)
+          Parameter length: 18
+          Re-configuration request sequence number: 2270550051
+          Re-configuration response sequence number: 1905748638
+          Senders last assigned TSN: 2270550066
+          Stream Identifier: 6
+      Chunk padding: 0000
+  */
+
+  uint8_t data[] = {0x82, 0x00, 0x00, 0x16, 0x00, 0x0d, 0x00, 0x12,
+                    0x87, 0x55, 0xd8, 0x23, 0x71, 0x97, 0x6a, 0x9e,
+                    0x87, 0x55, 0xd8, 0x32, 0x00, 0x06, 0x00, 0x00};
+
+  ASSERT_HAS_VALUE_AND_ASSIGN(ReConfigChunk chunk, ReConfigChunk::Parse(data));
+
+  const Parameters& parameters = chunk.parameters();
+  EXPECT_THAT(parameters.descriptors(), SizeIs(1));
+  ParameterDescriptor desc = parameters.descriptors()[0];
+  ASSERT_EQ(desc.type, OutgoingSSNResetRequestParameter::kType);
+  ASSERT_HAS_VALUE_AND_ASSIGN(
+      OutgoingSSNResetRequestParameter req,
+      OutgoingSSNResetRequestParameter::Parse(desc.data));
+  EXPECT_EQ(*req.request_sequence_number(), 2270550051u);
+  EXPECT_EQ(*req.response_sequence_number(), 1905748638u);
+  EXPECT_EQ(*req.sender_last_assigned_tsn(), 2270550066u);
+  EXPECT_THAT(req.stream_ids(), ElementsAre(StreamID(6)));
+}
+
+TEST(ReConfigChunkTest, SerializeAndDeserialize) {
+  Parameters::Builder params_builder =
+      Parameters::Builder().Add(OutgoingSSNResetRequestParameter(
+          ReconfigRequestSN(123), ReconfigRequestSN(456), TSN(789),
+          {StreamID(42), StreamID(43)}));
+
+  ReConfigChunk chunk(params_builder.Build());
+
+  std::vector<uint8_t> serialized;
+  chunk.SerializeTo(serialized);
+
+  ASSERT_HAS_VALUE_AND_ASSIGN(ReConfigChunk deserialized,
+                              ReConfigChunk::Parse(serialized));
+
+  const Parameters& parameters = deserialized.parameters();
+  EXPECT_THAT(parameters.descriptors(), SizeIs(1));
+  ParameterDescriptor desc = parameters.descriptors()[0];
+  ASSERT_EQ(desc.type, OutgoingSSNResetRequestParameter::kType);
+  ASSERT_HAS_VALUE_AND_ASSIGN(
+      OutgoingSSNResetRequestParameter req,
+      OutgoingSSNResetRequestParameter::Parse(desc.data));
+  EXPECT_EQ(*req.request_sequence_number(), 123u);
+  EXPECT_EQ(*req.response_sequence_number(), 456u);
+  EXPECT_EQ(*req.sender_last_assigned_tsn(), 789u);
+  EXPECT_THAT(req.stream_ids(), ElementsAre(StreamID(42), StreamID(43)));
+
+  EXPECT_EQ(deserialized.ToString(), "RE-CONFIG");
+}
+
+}  // namespace
+}  // namespace dcsctp