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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/data_chunk.h"
#include <cstdint>
#include <type_traits>
#include <vector>
#include "api/array_view.h"
#include "net/dcsctp/testing/testing_macros.h"
#include "rtc_base/gunit.h"
#include "test/gmock.h"
namespace dcsctp {
namespace {
using ::testing::ElementsAre;
TEST(DataChunkTest, FromCapture) {
/*
DATA chunk(ordered, complete segment, TSN: 1426601532, SID: 2, SSN: 1,
PPID: 53, payload length: 4 bytes)
Chunk type: DATA (0)
Chunk flags: 0x03
Chunk length: 20
Transmission sequence number: 1426601532
Stream identifier: 0x0002
Stream sequence number: 1
Payload protocol identifier: WebRTC Binary (53)
*/
uint8_t data[] = {0x00, 0x03, 0x00, 0x14, 0x55, 0x08, 0x36, 0x3c, 0x00, 0x02,
0x00, 0x01, 0x00, 0x00, 0x00, 0x35, 0x00, 0x01, 0x02, 0x03};
ASSERT_HAS_VALUE_AND_ASSIGN(DataChunk chunk, DataChunk::Parse(data));
EXPECT_EQ(*chunk.tsn(), 1426601532u);
EXPECT_EQ(*chunk.stream_id(), 2u);
EXPECT_EQ(*chunk.ssn(), 1u);
EXPECT_EQ(*chunk.ppid(), 53u);
EXPECT_TRUE(*chunk.options().is_beginning);
EXPECT_TRUE(*chunk.options().is_end);
EXPECT_FALSE(*chunk.options().is_unordered);
EXPECT_FALSE(*chunk.options().immediate_ack);
EXPECT_THAT(chunk.payload(), ElementsAre(0x0, 0x1, 0x2, 0x3));
}
TEST(DataChunkTest, SerializeAndDeserialize) {
DataChunk chunk(TSN(123), StreamID(456), SSN(789), PPID(9090),
/*payload=*/{1, 2, 3, 4, 5},
/*options=*/{});
std::vector<uint8_t> serialized;
chunk.SerializeTo(serialized);
ASSERT_HAS_VALUE_AND_ASSIGN(DataChunk deserialized,
DataChunk::Parse(serialized));
EXPECT_EQ(*chunk.tsn(), 123u);
EXPECT_EQ(*chunk.stream_id(), 456u);
EXPECT_EQ(*chunk.ssn(), 789u);
EXPECT_EQ(*chunk.ppid(), 9090u);
EXPECT_THAT(chunk.payload(), ElementsAre(1, 2, 3, 4, 5));
EXPECT_EQ(deserialized.ToString(),
"DATA, type=ordered::middle, tsn=123, sid=456, ssn=789, ppid=9090, "
"length=5");
}
} // namespace
} // namespace dcsctp
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