mirror of
https://github.com/mollyim/webrtc.git
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4b7024b572
This reverts commit 2db59a6584.
Reason for revert: Causes msan-issue in crc32c, reading uninitialized
memory.
Bug: webrtc:12943, chromium:1275559
Change-Id: I05f1012d896aeaca86c4562e0df15fa7ea326d60
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/239560
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Victor Boivie <boivie@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35461}
123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "net/dcsctp/packet/chunk/idata_chunk.h"
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#include <cstdint>
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#include <type_traits>
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#include <vector>
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#include "api/array_view.h"
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#include "net/dcsctp/testing/testing_macros.h"
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#include "rtc_base/gunit.h"
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#include "test/gmock.h"
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namespace dcsctp {
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namespace {
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using ::testing::ElementsAre;
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TEST(IDataChunkTest, AtBeginningFromCapture) {
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/*
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I_DATA chunk(ordered, first segment, TSN: 2487901653, SID: 1, MID: 0,
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payload length: 1180 bytes)
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Chunk type: I_DATA (64)
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Chunk flags: 0x02
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Chunk length: 1200
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Transmission sequence number: 2487901653
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Stream identifier: 0x0001
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Reserved: 0
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Message identifier: 0
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Payload protocol identifier: WebRTC Binary (53)
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Reassembled Message in frame: 39
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*/
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uint8_t data[] = {0x40, 0x02, 0x00, 0x15, 0x94, 0x4a, 0x5d, 0xd5,
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0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x35, 0x01, 0x00, 0x00, 0x00};
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ASSERT_HAS_VALUE_AND_ASSIGN(IDataChunk chunk, IDataChunk::Parse(data));
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EXPECT_EQ(*chunk.tsn(), 2487901653);
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EXPECT_EQ(*chunk.stream_id(), 1);
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EXPECT_EQ(*chunk.message_id(), 0u);
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EXPECT_EQ(*chunk.ppid(), 53u);
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EXPECT_EQ(*chunk.fsn(), 0u); // Not provided (so set to zero)
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}
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TEST(IDataChunkTest, AtBeginningSerializeAndDeserialize) {
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IDataChunk::Options options;
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options.is_beginning = Data::IsBeginning(true);
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IDataChunk chunk(TSN(123), StreamID(456), MID(789), PPID(53), FSN(0), {1},
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options);
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std::vector<uint8_t> serialized;
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chunk.SerializeTo(serialized);
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ASSERT_HAS_VALUE_AND_ASSIGN(IDataChunk deserialized,
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IDataChunk::Parse(serialized));
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EXPECT_EQ(*deserialized.tsn(), 123u);
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EXPECT_EQ(*deserialized.stream_id(), 456u);
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EXPECT_EQ(*deserialized.message_id(), 789u);
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EXPECT_EQ(*deserialized.ppid(), 53u);
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EXPECT_EQ(*deserialized.fsn(), 0u);
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EXPECT_EQ(deserialized.ToString(),
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"I-DATA, type=ordered::first, tsn=123, stream_id=456, "
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"message_id=789, ppid=53, length=1");
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}
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TEST(IDataChunkTest, InMiddleFromCapture) {
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/*
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I_DATA chunk(ordered, last segment, TSN: 2487901706, SID: 3, MID: 1,
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FSN: 8, payload length: 560 bytes)
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Chunk type: I_DATA (64)
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Chunk flags: 0x01
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Chunk length: 580
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Transmission sequence number: 2487901706
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Stream identifier: 0x0003
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Reserved: 0
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Message identifier: 1
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Fragment sequence number: 8
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Reassembled SCTP Fragments (10000 bytes, 9 fragments):
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*/
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uint8_t data[] = {0x40, 0x01, 0x00, 0x15, 0x94, 0x4a, 0x5e, 0x0a,
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0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x00};
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ASSERT_HAS_VALUE_AND_ASSIGN(IDataChunk chunk, IDataChunk::Parse(data));
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EXPECT_EQ(*chunk.tsn(), 2487901706);
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EXPECT_EQ(*chunk.stream_id(), 3u);
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EXPECT_EQ(*chunk.message_id(), 1u);
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EXPECT_EQ(*chunk.ppid(), 0u); // Not provided (so set to zero)
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EXPECT_EQ(*chunk.fsn(), 8u);
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}
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TEST(IDataChunkTest, InMiddleSerializeAndDeserialize) {
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IDataChunk chunk(TSN(123), StreamID(456), MID(789), PPID(0), FSN(101112),
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{1, 2, 3}, /*options=*/{});
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std::vector<uint8_t> serialized;
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chunk.SerializeTo(serialized);
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ASSERT_HAS_VALUE_AND_ASSIGN(IDataChunk deserialized,
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IDataChunk::Parse(serialized));
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EXPECT_EQ(*deserialized.tsn(), 123u);
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EXPECT_EQ(*deserialized.stream_id(), 456u);
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EXPECT_EQ(*deserialized.message_id(), 789u);
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EXPECT_EQ(*deserialized.ppid(), 0u);
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EXPECT_EQ(*deserialized.fsn(), 101112u);
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EXPECT_THAT(deserialized.payload(), ElementsAre(1, 2, 3));
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EXPECT_EQ(deserialized.ToString(),
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"I-DATA, type=ordered::middle, tsn=123, stream_id=456, "
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"message_id=789, fsn=101112, length=3");
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}
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} // namespace
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} // namespace dcsctp
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