mirror of
https://github.com/transmission/transmission
synced 2024-12-30 19:46:56 +00:00
91 lines
2.6 KiB
C++
91 lines
2.6 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 <cstring>
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#include <vector>
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#include "transmission.h"
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#include "error.h"
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#include "file.h"
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#include "test-fixtures.h"
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namespace libtransmission
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{
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namespace test
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{
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class CopyTest : public SandboxedTest
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{
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protected:
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void testImpl(char const* filename1, char const* filename2, size_t const file_length)
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{
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auto const path1 = tr_pathbuf{ sandboxDir(), '/', filename1 };
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/* Create a file. */
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auto contents = std::vector<char>{};
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contents.resize(file_length);
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tr_rand_buffer(std::data(contents), std::size(contents));
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createFileWithContents(path1, std::data(contents), std::size(contents));
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auto const path2 = tr_pathbuf{ sandboxDir(), '/', filename2 };
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tr_error* err = nullptr;
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/* Copy it. */
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EXPECT_TRUE(tr_sys_path_copy(path1, path2, &err));
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EXPECT_EQ(nullptr, err) << ' ' << *err;
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tr_error_clear(&err);
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EXPECT_TRUE(filesAreIdentical(path1, path2));
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/* Dispose of those files that we created. */
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tr_sys_path_remove(path1);
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tr_sys_path_remove(path2);
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}
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private:
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static uint64_t fillBufferFromFd(tr_sys_file_t fd, uint64_t bytes_remaining, char* buf, size_t buf_len)
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{
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memset(buf, 0, buf_len);
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size_t buf_pos = 0;
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while (buf_pos < buf_len && bytes_remaining > 0)
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{
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uint64_t const chunk_size = std::min(uint64_t{ buf_len - buf_pos }, bytes_remaining);
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uint64_t bytes_read = 0;
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tr_sys_file_read(fd, buf + buf_pos, chunk_size, &bytes_read);
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EXPECT_LE(buf_pos + bytes_read, buf_len);
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EXPECT_LE(bytes_read, bytes_remaining);
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buf_pos += bytes_read;
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bytes_remaining -= bytes_read;
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}
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return bytes_remaining;
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}
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static bool filesAreIdentical(std::string_view filename1, std::string_view filename2)
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{
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auto contents1 = std::vector<char>{};
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auto contents2 = std::vector<char>{};
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return tr_loadFile(filename1, contents1) && tr_loadFile(filename2, contents2) && contents1 == contents2;
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}
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};
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TEST_F(CopyTest, copy)
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{
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char const* filename1 = "orig-blob.txt";
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char const* filename2 = "copy-blob.txt";
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auto const random_file_length = 1024 * 1024 * 10;
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testImpl(filename1, filename2, random_file_length);
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}
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} // namespace test
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} // namespace libtransmission
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