forked from premiere/premiere-libtorrent
122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
/*
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Copyright (c) 2016, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.hpp"
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#include "libtorrent/torrent_info.hpp"
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#include "libtorrent/create_torrent.hpp"
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#include "libtorrent/bencode.hpp"
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#include "libtorrent/announce_entry.hpp"
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#include "libtorrent/aux_/escape_string.hpp" // for convert_path_to_posix
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#include "libtorrent/announce_entry.hpp"
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#include <cstring>
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// make sure creating a torrent from an existing handle preserves the
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// info-dictionary verbatim, so as to not alter the info-hash
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TORRENT_TEST(create_verbatim_torrent)
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{
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char const test_torrent[] = "d4:infod4:name6:foobar6:lengthi12345e"
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"12:piece lengthi65536e6:pieces20:ababababababababababee";
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lt::torrent_info info(test_torrent, lt::from_span);
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info.add_tracker("http://test.com");
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info.add_tracker("http://test.com");
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TEST_EQUAL(info.trackers().size(), 1);
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lt::create_torrent t(info);
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std::vector<char> buffer;
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lt::bencode(std::back_inserter(buffer), t.generate());
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// now, make sure the info dictionary was unchanged
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buffer.push_back('\0');
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char const* dest_info = std::strstr(&buffer[0], "4:info");
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TEST_CHECK(dest_info != nullptr);
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// +1 and -2 here is to strip the outermost dictionary from the source
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// torrent, since create_torrent may have added items next to the info dict
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TEST_CHECK(memcmp(dest_info, test_torrent + 1, sizeof(test_torrent)-3) == 0);
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}
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TORRENT_TEST(piece_size)
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{
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std::int64_t const kiB = 1024;
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std::int64_t const MiB = 1024 * 1024;
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std::int64_t const GiB = 1024 * 1024 * 1024;
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std::array<std::pair<std::int64_t, std::int64_t>, 11> samples{{
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{100LL, 16 * kiB},
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{3 * MiB, 32 * kiB},
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{11 * MiB, 64 * kiB},
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{43 * MiB, 128 * kiB},
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{172 * MiB, 256 * kiB},
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{688 * MiB, 512 * kiB},
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{3 * GiB, 1 * MiB},
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{11 * GiB, 2 * MiB},
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{44 * GiB, 4 * MiB},
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{176 * GiB, 8 * MiB},
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{704 * GiB, 16 * MiB},
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}};
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for (auto const& t : samples)
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{
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lt::file_storage fs;
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fs.add_file("a", t.first);
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lt::create_torrent ct(fs, 0);
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TEST_CHECK(ct.piece_length() == static_cast<int>(t.second));
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}
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}
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TORRENT_TEST(create_torrent_round_trip)
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{
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char const test_torrent[] = "d8:announce26:udp://testurl.com/announce7:comment22:this is a test comment13:creation datei1337e4:infod6:lengthi12345e4:name6:foobar12:piece lengthi65536e6:pieces20:ababababababababababee";
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lt::torrent_info info1(test_torrent, lt::from_span);
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TEST_EQUAL(info1.comment(), "this is a test comment");
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TEST_EQUAL(info1.trackers().size(), 1);
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TEST_EQUAL(info1.trackers().front().url, "udp://testurl.com/announce");
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lt::create_torrent t(info1);
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std::vector<char> buffer;
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lt::bencode(std::back_inserter(buffer), t.generate());
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lt::torrent_info info2(buffer, lt::from_span);
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TEST_EQUAL(info2.comment(), "this is a test comment");
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TEST_EQUAL(info2.trackers().size(), 1);
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TEST_EQUAL(info2.trackers().front().url, "udp://testurl.com/announce");
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TEST_CHECK(info1.info_hash() == info2.info_hash());
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}
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