500 lines
15 KiB
C++
500 lines
15 KiB
C++
/*
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* This file Copyright (C) 2013-2017 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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#pragma once
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#include "crypto-utils.h" // tr_base64_decode_str()
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#include "error.h"
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#include "file.h" // tr_sys_file_*()
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#include "quark.h"
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#include "platform.h" // TR_PATH_DELIMITER
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#include "trevent.h" // tr_amInEventThread()
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#include "torrent.h"
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#include "variant.h"
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#include <chrono>
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#include <cstring> // strlen()
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#include <memory>
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#include <thread>
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#include <mutex> // std::once_flag()
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#include <string>
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#include <cstdlib> // getenv()
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#include "gtest/gtest.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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inline std::string makeString(char*&& s)
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{
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auto const ret = std::string(s != nullptr ? s : "");
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tr_free(s);
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return ret;
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}
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inline bool waitFor(std::function<bool()> const& test, int msec)
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{
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auto const deadline = std::chrono::milliseconds{ msec };
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auto const begin = std::chrono::steady_clock::now();
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for (;;)
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{
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if (test())
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{
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return true;
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}
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if ((std::chrono::steady_clock::now() - begin) >= deadline)
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{
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return false;
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}
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tr_wait_msec(10);
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}
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}
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class Sandbox
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{
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public:
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Sandbox()
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: parent_dir_{ get_default_parent_dir() }
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, sandbox_dir_{ create_sandbox(parent_dir_, "transmission-test-XXXXXX") }
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{
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}
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~Sandbox()
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{
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rimraf(sandbox_dir_);
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}
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std::string const& path() const
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{
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return sandbox_dir_;
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}
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protected:
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static std::string get_default_parent_dir()
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{
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auto* path = getenv("TMPDIR");
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if (path != NULL)
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{
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return path;
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}
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tr_error* error = nullptr;
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path = tr_sys_dir_get_current(&error);
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if (path != nullptr)
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{
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std::string const ret = path;
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tr_free(path);
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return ret;
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}
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std::cerr << "tr_sys_dir_get_current error: '" << error->message << "'" << std::endl;
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tr_error_free(error);
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return {};
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}
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static std::string create_sandbox(std::string const& parent_dir, std::string const& tmpl)
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{
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std::string path = makeString(tr_buildPath(parent_dir.data(), tmpl.data(), nullptr));
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tr_sys_dir_create_temp(&path.front(), nullptr);
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tr_sys_path_native_separators(&path.front());
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return path;
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}
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static auto get_folder_files(std::string const& path)
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{
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std::vector<std::string> ret;
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tr_sys_path_info info;
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if (tr_sys_path_get_info(path.data(), 0, &info, nullptr) && (info.type == TR_SYS_PATH_IS_DIRECTORY))
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{
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auto const odir = tr_sys_dir_open(path.data(), nullptr);
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if (odir != TR_BAD_SYS_DIR)
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{
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char const* name;
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while ((name = tr_sys_dir_read_name(odir, nullptr)) != nullptr)
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{
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if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)
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{
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ret.push_back(makeString(tr_buildPath(path.data(), name, nullptr)));
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}
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}
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tr_sys_dir_close(odir, nullptr);
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}
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}
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return ret;
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}
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static void rimraf(std::string const& path, bool verbose = false)
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{
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for (auto const& child : get_folder_files(path))
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{
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rimraf(child, verbose);
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}
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if (verbose)
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{
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std::cerr << "cleanup: removing '" << path << "'" << std::endl;
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}
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tr_sys_path_remove(path.data(), nullptr);
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}
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private:
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std::string const parent_dir_;
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std::string const sandbox_dir_;
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};
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class SandboxedTest : public ::testing::Test
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{
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protected:
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std::string sandboxDir() const
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{
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return sandbox_.path();
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}
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auto currentTestName() const
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{
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auto const* i = ::testing::UnitTest::GetInstance()->current_test_info();
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auto child = std::string(i->test_suite_name());
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child += '_';
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child += i->name();
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return child;
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}
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void buildParentDir(std::string const& path) const
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{
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auto const tmperr = errno;
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auto const dir = makeString(tr_sys_path_dirname(path.c_str(), nullptr));
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tr_error* error = nullptr;
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tr_sys_dir_create(dir.data(), TR_SYS_DIR_CREATE_PARENTS, 0700, &error);
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EXPECT_EQ(nullptr, error) << "path[" << path << "] dir[" << dir << "] " << error->code << ", " << error->message;
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errno = tmperr;
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}
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static void blockingFileWrite(tr_sys_file_t fd, void const* data, size_t data_len)
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{
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uint64_t n_left = data_len;
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auto const* left = static_cast<uint8_t const*>(data);
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while (n_left > 0)
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{
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uint64_t n = {};
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tr_error* error = nullptr;
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if (!tr_sys_file_write(fd, left, n_left, &n, &error))
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{
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fprintf(stderr, "Error writing file: '%s'\n", error->message);
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tr_error_free(error);
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break;
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}
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left += n;
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n_left -= n;
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}
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}
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void createTmpfileWithContents(std::string& tmpl, void const* payload, size_t n) const
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{
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auto const tmperr = errno;
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buildParentDir(tmpl);
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// NOLINTNEXTLINE(clang-analyzer-cplusplus.InnerPointer)
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auto const fd = tr_sys_file_open_temp(&tmpl.front(), nullptr);
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blockingFileWrite(fd, payload, n);
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tr_sys_file_close(fd, nullptr);
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sync();
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errno = tmperr;
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}
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void createFileWithContents(std::string const& path, void const* payload, size_t n) const
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{
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auto const tmperr = errno;
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buildParentDir(path);
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auto const fd = tr_sys_file_open(
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path.c_str(),
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TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE | TR_SYS_FILE_TRUNCATE,
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0600,
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nullptr);
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blockingFileWrite(fd, payload, n);
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tr_sys_file_close(fd, nullptr);
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sync();
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errno = tmperr;
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}
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void createFileWithContents(std::string const& path, void const* payload) const
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{
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createFileWithContents(path, payload, strlen(static_cast<char const*>(payload)));
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}
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bool verbose = false;
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void sync() const
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{
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#ifndef _WIN32
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::sync();
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#endif
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}
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private:
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Sandbox sandbox_;
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};
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inline void ensureFormattersInited()
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{
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static constexpr int MEM_K = 1024;
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static char const constexpr* const MEM_K_STR = "KiB";
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static char const constexpr* const MEM_M_STR = "MiB";
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static char const constexpr* const MEM_G_STR = "GiB";
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static char const constexpr* const MEM_T_STR = "TiB";
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static constexpr int DISK_K = 1000;
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static char const constexpr* const DISK_K_STR = "kB";
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static char const constexpr* const DISK_M_STR = "MB";
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static char const constexpr* const DISK_G_STR = "GB";
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static char const constexpr* const DISK_T_STR = "TB";
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static constexpr int SPEED_K = 1000;
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static char const constexpr* const SPEED_K_STR = "kB/s";
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static char const constexpr* const SPEED_M_STR = "MB/s";
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static char const constexpr* const SPEED_G_STR = "GB/s";
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static char const constexpr* const SPEED_T_STR = "TB/s";
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static std::once_flag flag;
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std::call_once(
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flag,
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[]()
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{
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tr_formatter_mem_init(MEM_K, MEM_K_STR, MEM_M_STR, MEM_G_STR, MEM_T_STR);
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tr_formatter_size_init(DISK_K, DISK_K_STR, DISK_M_STR, DISK_G_STR, DISK_T_STR);
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tr_formatter_speed_init(SPEED_K, SPEED_K_STR, SPEED_M_STR, SPEED_G_STR, SPEED_T_STR);
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});
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}
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class SessionTest : public SandboxedTest
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{
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private:
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std::shared_ptr<tr_variant> settings_;
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tr_session* sessionInit(tr_variant* settings)
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{
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ensureFormattersInited();
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// download dir
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size_t len;
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char const* str;
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auto q = TR_KEY_download_dir;
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auto const download_dir = tr_variantDictFindStr(settings, q, &str, &len) ?
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makeString(tr_strdup_printf("%s/%*.*s", sandboxDir().data(), TR_ARG_TUPLE((int)len, (int)len, str))) :
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makeString(tr_buildPath(sandboxDir().data(), "Downloads", nullptr));
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tr_sys_dir_create(download_dir.data(), TR_SYS_DIR_CREATE_PARENTS, 0700, nullptr);
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tr_variantDictAddStr(settings, q, download_dir.data());
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// incomplete dir
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q = TR_KEY_incomplete_dir;
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auto const incomplete_dir = tr_variantDictFindStr(settings, q, &str, &len) ?
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makeString(tr_strdup_printf("%s/%*.*s", sandboxDir().data(), TR_ARG_TUPLE((int)len, (int)len, str))) :
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makeString(tr_buildPath(sandboxDir().data(), "Incomplete", nullptr));
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tr_variantDictAddStr(settings, q, incomplete_dir.data());
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// blocklists
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auto const blocklist_dir = makeString(tr_buildPath(sandboxDir().data(), "blocklists", nullptr));
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tr_sys_dir_create(blocklist_dir.data(), TR_SYS_DIR_CREATE_PARENTS, 0700, nullptr);
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// fill in any missing settings
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q = TR_KEY_port_forwarding_enabled;
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if (tr_variantDictFind(settings, q) == nullptr)
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{
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tr_variantDictAddBool(settings, q, false);
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}
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q = TR_KEY_dht_enabled;
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if (tr_variantDictFind(settings, q) == nullptr)
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{
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tr_variantDictAddBool(settings, q, false);
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}
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q = TR_KEY_message_level;
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if (tr_variantDictFind(settings, q) == nullptr)
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{
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tr_variantDictAddInt(settings, q, verbose ? TR_LOG_DEBUG : TR_LOG_ERROR);
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}
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return tr_sessionInit(sandboxDir().data(), !verbose, settings);
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}
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void sessionClose(tr_session* session)
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{
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tr_sessionClose(session);
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tr_logFreeQueue(tr_logGetQueue());
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}
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protected:
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tr_torrent* zeroTorrentInit() const
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{
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// 1048576 files-filled-with-zeroes/1048576
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// 4096 files-filled-with-zeroes/4096
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// 512 files-filled-with-zeroes/512
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char const* metainfo_base64 =
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"ZDg6YW5ub3VuY2UzMTpodHRwOi8vd3d3LmV4YW1wbGUuY29tL2Fubm91bmNlMTA6Y3JlYXRlZCBi"
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"eTI1OlRyYW5zbWlzc2lvbi8yLjYxICgxMzQwNykxMzpjcmVhdGlvbiBkYXRlaTEzNTg3MDQwNzVl"
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"ODplbmNvZGluZzU6VVRGLTg0OmluZm9kNTpmaWxlc2xkNjpsZW5ndGhpMTA0ODU3NmU0OnBhdGhs"
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"NzoxMDQ4NTc2ZWVkNjpsZW5ndGhpNDA5NmU0OnBhdGhsNDo0MDk2ZWVkNjpsZW5ndGhpNTEyZTQ6"
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"cGF0aGwzOjUxMmVlZTQ6bmFtZTI0OmZpbGVzLWZpbGxlZC13aXRoLXplcm9lczEyOnBpZWNlIGxl"
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"bmd0aGkzMjc2OGU2OnBpZWNlczY2MDpRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJtGExUv1726aj"
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"/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJtGExUv17"
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"26aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJtGEx"
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"Uv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJ"
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"tGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GI"
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"QxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZC"
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"S1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8K"
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"T9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9um"
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"o/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9"
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"e9umo/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRh"
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"MVL9e9umo/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMY"
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"SbRhMVL9e9umo/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLOlf5A+Tz30nMBVuNM2hpV3wg/103"
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"OnByaXZhdGVpMGVlZQ==";
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// create the torrent ctor
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auto metainfo_len = size_t{};
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auto* metainfo = tr_base64_decode_str(metainfo_base64, &metainfo_len);
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EXPECT_NE(nullptr, metainfo);
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EXPECT_LT(size_t{ 0 }, metainfo_len);
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auto* ctor = tr_ctorNew(session_);
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tr_ctorSetMetainfo(ctor, reinterpret_cast<uint8_t*>(metainfo), metainfo_len);
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tr_ctorSetPaused(ctor, TR_FORCE, true);
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tr_free(metainfo);
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// create the torrent
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auto err = int{};
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auto* tor = tr_torrentNew(ctor, &err, nullptr);
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EXPECT_EQ(0, err);
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// cleanup
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tr_ctorFree(ctor);
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return tor;
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}
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void zeroTorrentPopulate(tr_torrent* tor, bool complete)
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{
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for (tr_file_index_t i = 0; i < tor->info.fileCount; ++i)
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{
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auto const& file = tor->info.files[i];
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auto path = (!complete && i == 0) ?
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makeString(tr_strdup_printf("%s%c%s.part", tor->currentDir, TR_PATH_DELIMITER, file.name)) :
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makeString(tr_strdup_printf("%s%c%s", tor->currentDir, TR_PATH_DELIMITER, file.name));
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auto const dirname = makeString(tr_sys_path_dirname(path.c_str(), nullptr));
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tr_sys_dir_create(dirname.data(), TR_SYS_DIR_CREATE_PARENTS, 0700, nullptr);
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auto fd = tr_sys_file_open(
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path.c_str(),
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TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE | TR_SYS_FILE_TRUNCATE,
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0600,
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nullptr);
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for (uint64_t j = 0; j < file.length; ++j)
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{
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tr_sys_file_write(fd, (!complete && i == 0 && j < tor->info.pieceSize) ? "\1" : "\0", 1, nullptr, nullptr);
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}
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tr_sys_file_close(fd, nullptr);
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path = makeString(tr_torrentFindFile(tor, i));
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auto const err = errno;
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EXPECT_TRUE(tr_sys_path_exists(path.c_str(), nullptr));
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errno = err;
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}
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sync();
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blockingTorrentVerify(tor);
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if (complete)
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{
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EXPECT_EQ(0, tr_torrentStat(tor)->leftUntilDone);
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}
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else
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{
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EXPECT_EQ(tor->info.pieceSize, tr_torrentStat(tor)->leftUntilDone);
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}
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}
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void blockingTorrentVerify(tr_torrent* tor)
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{
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EXPECT_NE(nullptr, tor->session);
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EXPECT_FALSE(tr_amInEventThread(tor->session));
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auto constexpr onVerifyDone = [](tr_torrent*, bool, void* done) noexcept
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{
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*static_cast<bool*>(done) = true;
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};
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bool done = false;
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tr_torrentVerify(tor, onVerifyDone, &done);
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auto test = [&done]()
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{
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return done;
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};
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EXPECT_TRUE(waitFor(test, 2000));
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}
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tr_session* session_ = nullptr;
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tr_variant* settings()
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{
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if (!settings_)
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{
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auto* settings = new tr_variant{};
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tr_variantInitDict(settings, 10);
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auto constexpr deleter = [](tr_variant* v)
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{
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tr_variantFree(v);
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delete v;
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};
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settings_.reset(settings, deleter);
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}
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return settings_.get();
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}
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virtual void SetUp() override
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{
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SandboxedTest::SetUp();
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session_ = sessionInit(settings());
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|
}
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virtual void TearDown() override
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|
{
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|
sessionClose(session_);
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|
session_ = nullptr;
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|
settings_.reset();
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|
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SandboxedTest::TearDown();
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|
}
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|
};
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} // namespace test
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} // namespace libtransmission
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