Files
libtorrent/test/test_truncate.cpp
2022-06-23 08:07:28 +02:00

85 lines
2.1 KiB
C++

/*
Copyright (c) 2022, Arvid Norberg
All rights reserved.
You may use, distribute and modify this code under the terms of the BSD license,
see LICENSE file.
*/
#include <fstream>
#include <iostream>
#include "test.hpp"
#include "libtorrent/aux_/path.hpp"
#include "libtorrent/truncate.hpp"
#include "libtorrent/file_storage.hpp"
#include "libtorrent/error_code.hpp"
namespace {
void create_file(std::string const& name, int size)
{
lt::error_code ec;
lt::create_directories(lt::parent_path(name), ec);
TEST_CHECK(!ec);
std::ofstream f(name.c_str());
std::vector<char> buf(static_cast<std::size_t>(size));
f.write(buf.data(), std::streamsize(buf.size()));
}
std::int64_t file_size(std::string const& name)
{
lt::file_status st;
lt::error_code ec;
lt::stat_file(name, &st, ec);
std::cerr << name << ": " << ec.message() << '\n';
TEST_CHECK(!ec);
return st.file_size;
}
}
TORRENT_TEST(truncate_small_files)
{
using lt::combine_path;
lt::file_storage fs;
fs.add_file(combine_path("test", "a"), 100);
fs.add_file(combine_path("test", "b"), 900);
fs.add_file(combine_path("test", "c"), 10);
create_file(combine_path("test", "a"), 99);
create_file(combine_path("test", "b"), 899);
create_file(combine_path("test", "c"), 9);
lt::storage_error err;
lt::truncate_files(fs, ".", err);
TEST_CHECK(!err.ec);
TEST_EQUAL(file_size(combine_path("test", "a")), 99);
TEST_EQUAL(file_size(combine_path("test", "b")), 899);
TEST_EQUAL(file_size(combine_path("test", "c")), 9);
}
TORRENT_TEST(truncate_large_files)
{
using lt::combine_path;
lt::file_storage fs;
fs.add_file(combine_path("test", "a"), 100);
fs.add_file(combine_path("test", "b"), 900);
fs.add_file(combine_path("test", "c"), 10);
create_file(combine_path("test", "a"), 101);
create_file(combine_path("test", "b"), 901);
create_file(combine_path("test", "c"), 11);
lt::storage_error err;
lt::truncate_files(fs, ".", err);
TEST_CHECK(!err.ec);
TEST_EQUAL(file_size(combine_path("test", "a")), 100);
TEST_EQUAL(file_size(combine_path("test", "b")), 900);
TEST_EQUAL(file_size(combine_path("test", "c")), 10);
}