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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/packet/chunk/forward_tsn_chunk.h"
#include <stdint.h>
#include <type_traits>
#include <vector>
#include "api/array_view.h"
#include "net/dcsctp/packet/chunk/forward_tsn_common.h"
#include "net/dcsctp/testing/testing_macros.h"
#include "rtc_base/gunit.h"
#include "test/gmock.h"
namespace dcsctp {
namespace {
using ::testing::ElementsAre;
TEST(ForwardTsnChunkTest, FromCapture) {
/*
FORWARD_TSN chunk(Cumulative TSN: 1905748778)
Chunk type: FORWARD_TSN (192)
Chunk flags: 0x00
Chunk length: 8
New cumulative TSN: 1905748778
*/
uint8_t data[] = {0xc0, 0x00, 0x00, 0x08, 0x71, 0x97, 0x6b, 0x2a};
ASSERT_HAS_VALUE_AND_ASSIGN(ForwardTsnChunk chunk,
ForwardTsnChunk::Parse(data));
EXPECT_EQ(*chunk.new_cumulative_tsn(), 1905748778u);
}
TEST(ForwardTsnChunkTest, SerializeAndDeserialize) {
ForwardTsnChunk chunk(
TSN(123), {ForwardTsnChunk::SkippedStream(StreamID(1), SSN(23)),
ForwardTsnChunk::SkippedStream(StreamID(42), SSN(99))});
std::vector<uint8_t> serialized;
chunk.SerializeTo(serialized);
ASSERT_HAS_VALUE_AND_ASSIGN(ForwardTsnChunk deserialized,
ForwardTsnChunk::Parse(serialized));
EXPECT_EQ(*deserialized.new_cumulative_tsn(), 123u);
EXPECT_THAT(
deserialized.skipped_streams(),
ElementsAre(ForwardTsnChunk::SkippedStream(StreamID(1), SSN(23)),
ForwardTsnChunk::SkippedStream(StreamID(42), SSN(99))));
EXPECT_EQ(deserialized.ToString(),
"FORWARD-TSN, new_cumulative_tsn=123, skip 1:23, skip 42:99");
}
} // namespace
} // namespace dcsctp
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