220 lines
7.3 KiB
C++
220 lines
7.3 KiB
C++
// This file Copyright (C) 2013-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <algorithm>
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#include <array>
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#include <cstdlib> // mktemp()
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#include <numeric>
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#include <string>
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#include <string_view>
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#include <utility>
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#include <vector>
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#include <fmt/format.h>
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#include <libtransmission/transmission.h>
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#include <libtransmission/crypto-utils.h>
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#include <libtransmission/file.h>
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#include <libtransmission/makemeta.h>
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#include <libtransmission/session.h> // TR_NAME
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#include <libtransmission/torrent-metainfo.h>
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#include "test-fixtures.h"
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using namespace std::literals;
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namespace libtransmission::test
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{
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class MakemetaTest : public SandboxedTest
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{
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protected:
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static auto constexpr DefaultMaxFileCount = size_t{ 16 };
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static auto constexpr DefaultMaxFileSize = size_t{ 1024 };
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auto makeRandomFiles(
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std::string_view top,
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size_t n_files = std::max(size_t{ 1U }, static_cast<size_t>(tr_rand_int(DefaultMaxFileCount))),
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size_t max_size = DefaultMaxFileSize)
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{
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auto files = std::vector<std::pair<std::string, std::vector<std::byte>>>{};
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for (size_t i = 0; i < n_files; ++i)
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{
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auto payload = std::vector<std::byte>{};
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// TODO(5.0.0): zero-sized files are disabled in these test
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// because tr_torrent_metainfo discards them, throwing off the
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// builder-to-metainfo comparisons here. tr_torrent_metainfo
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// will behave when BEP52 support is added in Transmission 5.
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static auto constexpr MinFileSize = size_t{ 1U };
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payload.resize(std::max(MinFileSize, static_cast<size_t>(tr_rand_int(max_size))));
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tr_rand_buffer(std::data(payload), std::size(payload));
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auto filename = tr_pathbuf{ top, '/', "test.XXXXXX" };
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createTmpfileWithContents(std::data(filename), std::data(payload), std::size(payload));
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tr_sys_path_native_separators(std::data(filename));
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files.emplace_back(std::string{ filename.sv() }, payload);
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}
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return files;
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}
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static auto testBuilder(tr_metainfo_builder& builder)
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{
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tr_error* error = builder.makeChecksums().get();
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EXPECT_EQ(error, nullptr) << *error;
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auto metainfo = tr_torrent_metainfo{};
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EXPECT_TRUE(metainfo.parseBenc(builder.benc()));
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EXPECT_EQ(builder.fileCount(), metainfo.fileCount());
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EXPECT_EQ(builder.pieceSize(), metainfo.pieceSize());
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EXPECT_EQ(builder.totalSize(), metainfo.totalSize());
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EXPECT_EQ(builder.totalSize(), metainfo.totalSize());
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for (size_t i = 0, n = std::min(builder.fileCount(), metainfo.fileCount()); i < n; ++i)
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{
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EXPECT_EQ(builder.fileSize(i), metainfo.files().fileSize(i));
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EXPECT_EQ(builder.path(i), metainfo.files().path(i));
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}
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EXPECT_EQ(builder.name(), metainfo.name());
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EXPECT_EQ(builder.comment(), metainfo.comment());
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EXPECT_EQ(builder.isPrivate(), metainfo.isPrivate());
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EXPECT_EQ(builder.announceList().toString(), metainfo.announceList().toString());
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return metainfo;
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}
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};
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TEST_F(MakemetaTest, comment)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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static auto constexpr Comment = "This is the comment"sv;
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builder.setComment(Comment);
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EXPECT_EQ(Comment, testBuilder(builder).comment());
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}
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TEST_F(MakemetaTest, source)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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static auto constexpr Source = "This is the source"sv;
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builder.setSource(Source);
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EXPECT_EQ(Source, testBuilder(builder).source());
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}
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TEST_F(MakemetaTest, isPrivate)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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for (bool const is_private : { true, false })
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{
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auto builder = tr_metainfo_builder{ filename };
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builder.setPrivate(is_private);
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EXPECT_EQ(is_private, testBuilder(builder).isPrivate());
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}
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}
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TEST_F(MakemetaTest, pieceSize)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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for (uint32_t const piece_size : { 16384, 32768 })
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{
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auto builder = tr_metainfo_builder{ filename };
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builder.setPieceSize(piece_size);
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EXPECT_EQ(piece_size, testBuilder(builder).pieceSize());
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}
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}
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TEST_F(MakemetaTest, webseeds)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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static auto constexpr Webseed = "https://www.example.com/linux.iso"sv;
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builder.setWebseeds(std::vector<std::string>{ std::string{ Webseed } });
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auto const metainfo = testBuilder(builder);
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EXPECT_EQ(1U, metainfo.webseedCount());
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EXPECT_EQ(Webseed, metainfo.webseed(0));
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}
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TEST_F(MakemetaTest, nameIsRootSingleFile)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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EXPECT_EQ(tr_sys_path_basename(filename), testBuilder(builder).name());
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}
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TEST_F(MakemetaTest, anonymizeTrue)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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builder.setAnonymize(true);
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auto const metainfo = testBuilder(builder);
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EXPECT_EQ(""sv, metainfo.creator());
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EXPECT_EQ(time_t{}, metainfo.dateCreated());
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}
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TEST_F(MakemetaTest, anonymizeFalse)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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builder.setAnonymize(false);
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auto const metainfo = testBuilder(builder);
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EXPECT_TRUE(tr_strvContains(metainfo.creator(), TR_NAME)) << metainfo.creator();
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auto const now = time(nullptr);
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EXPECT_LE(metainfo.dateCreated(), now);
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EXPECT_LE(now - 60, metainfo.dateCreated());
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}
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TEST_F(MakemetaTest, nameIsRootMultifile)
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{
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auto const files = makeRandomFiles(sandboxDir(), 10);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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EXPECT_EQ(tr_sys_path_basename(filename), testBuilder(builder).name());
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}
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TEST_F(MakemetaTest, singleFile)
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{
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auto const files = makeRandomFiles(sandboxDir(), 1);
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auto const [filename, payload] = files.front();
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auto builder = tr_metainfo_builder{ filename };
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auto trackers = tr_announce_list{};
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trackers.add("udp://tracker.openbittorrent.com:80"sv, trackers.nextTier());
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trackers.add("udp://tracker.publicbt.com:80"sv, trackers.nextTier());
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builder.setAnnounceList(std::move(trackers));
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static auto constexpr Comment = "This is the comment"sv;
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builder.setComment(Comment);
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static auto constexpr IsPrivate = false;
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builder.setPrivate(IsPrivate);
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static auto constexpr Anonymize = false;
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builder.setAnonymize(Anonymize);
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testBuilder(builder);
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}
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} // namespace libtransmission::test
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