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dwarfs/test/dwarfs_test.cpp
Marcus Holland-Moritz 62899bbd73 refactor: remove access version returning int
2024-07-28 18:58:08 +02:00

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/* vim:set ts=2 sw=2 sts=2 et: */
/**
* \author Marcus Holland-Moritz (github@mhxnet.de)
* \copyright Copyright (c) Marcus Holland-Moritz
*
* This file is part of dwarfs.
*
* dwarfs is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* dwarfs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with dwarfs. If not, see <https://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include <filesystem>
#include <map>
#include <random>
#include <regex>
#include <set>
#include <sstream>
#include <vector>
#include <folly/FileUtil.h>
#include <gtest/gtest.h>
#include <fmt/format.h>
#include <dwarfs/block_compressor.h>
#include <dwarfs/builtin_script.h>
#include <dwarfs/entry.h>
#include <dwarfs/file_stat.h>
#include <dwarfs/file_type.h>
#include <dwarfs/filesystem_v2.h>
#include <dwarfs/filesystem_writer.h>
#include <dwarfs/filter_debug.h>
#include <dwarfs/fs_section.h>
#include <dwarfs/logger.h>
#include <dwarfs/mmif.h>
#include <dwarfs/options.h>
#include <dwarfs/progress.h>
#include <dwarfs/scanner.h>
#include <dwarfs/segmenter_factory.h>
#include <dwarfs/thread_pool.h>
#include <dwarfs/vfs_stat.h>
#include "filter_test_data.h"
#include "loremipsum.h"
#include "mmap_mock.h"
#include "test_helpers.h"
#include "test_logger.h"
using namespace dwarfs;
namespace fs = std::filesystem;
namespace {
std::string const default_file_hash_algo{"xxh3-128"};
std::string
build_dwarfs(logger& lgr, std::shared_ptr<test::os_access_mock> input,
std::string const& compression,
segmenter::config const& cfg = segmenter::config(),
scanner_options const& options = scanner_options(),
progress* prog = nullptr, std::shared_ptr<script> scr = nullptr,
std::optional<std::span<std::filesystem::path const>> input_list =
std::nullopt) {
// force multithreading
thread_pool pool(lgr, *input, "worker", 4);
std::unique_ptr<progress> local_prog;
if (!prog) {
local_prog = std::make_unique<progress>();
prog = local_prog.get();
}
// TODO: ugly hack :-)
segmenter_factory::config sf_cfg;
sf_cfg.block_size_bits = cfg.block_size_bits;
sf_cfg.blockhash_window_size.set_default(cfg.blockhash_window_size);
sf_cfg.window_increment_shift.set_default(cfg.window_increment_shift);
sf_cfg.max_active_blocks.set_default(cfg.max_active_blocks);
sf_cfg.bloom_filter_size.set_default(cfg.bloom_filter_size);
auto sf = std::make_shared<segmenter_factory>(lgr, *prog, sf_cfg);
scanner s(lgr, pool, sf, entry_factory::create(), input, scr, options);
std::ostringstream oss;
block_compressor bc(compression);
filesystem_writer fsw(oss, lgr, pool, *prog, bc, bc, bc);
fsw.add_default_compressor(bc);
s.scan(fsw, std::filesystem::path("/"), *prog, input_list);
return oss.str();
}
void basic_end_to_end_test(std::string const& compressor,
unsigned block_size_bits, file_order_mode file_order,
bool with_devices, bool with_specials, bool set_uid,
bool set_gid, bool set_time, bool keep_all_times,
bool enable_nlink, bool pack_chunk_table,
bool pack_directories, bool pack_shared_files_table,
bool pack_names, bool pack_names_index,
bool pack_symlinks, bool pack_symlinks_index,
bool plain_names_table, bool plain_symlinks_table,
bool access_fail, size_t readahead,
std::optional<std::string> file_hash_algo) {
segmenter::config cfg;
scanner_options options;
cfg.blockhash_window_size = 10;
cfg.block_size_bits = block_size_bits;
file_order_options order_opts;
order_opts.mode = file_order;
options.file_hash_algorithm = file_hash_algo;
options.with_devices = with_devices;
options.with_specials = with_specials;
options.inode.fragment_order.set_default(order_opts);
options.keep_all_times = keep_all_times;
options.pack_chunk_table = pack_chunk_table;
options.pack_directories = pack_directories;
options.pack_shared_files_table = pack_shared_files_table;
options.pack_names = pack_names;
options.pack_names_index = pack_names_index;
options.pack_symlinks = pack_symlinks;
options.pack_symlinks_index = pack_symlinks_index;
options.force_pack_string_tables = true;
options.plain_names_table = plain_names_table;
options.plain_symlinks_table = plain_symlinks_table;
if (set_uid) {
options.uid = 0;
}
if (set_gid) {
options.gid = 0;
}
if (set_time) {
options.timestamp = 4711;
}
test::test_logger lgr;
auto input = test::os_access_mock::create_test_instance();
if (access_fail) {
input->set_access_fail("/somedir/ipsum.py");
}
progress prog;
auto scr = std::make_shared<test::script_mock>();
auto fsimage = build_dwarfs(lgr, input, compressor, cfg, options, &prog, scr);
EXPECT_EQ(14, scr->filter_calls.size());
EXPECT_EQ(15, scr->transform_calls.size());
auto image_size = fsimage.size();
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
bool similarity = file_order == file_order_mode::SIMILARITY ||
file_order == file_order_mode::NILSIMSA;
size_t const num_fail_empty = access_fail ? 1 : 0;
EXPECT_EQ(8, prog.files_found);
EXPECT_EQ(8, prog.files_scanned);
EXPECT_EQ(2, prog.dirs_found);
EXPECT_EQ(2, prog.dirs_scanned);
EXPECT_EQ(2, prog.symlinks_found);
EXPECT_EQ(2, prog.symlinks_scanned);
EXPECT_EQ(2 * with_devices + with_specials, prog.specials_found);
EXPECT_EQ(file_hash_algo ? 3 + num_fail_empty : 0, prog.duplicate_files);
EXPECT_EQ(1, prog.hardlinks);
EXPECT_GE(prog.block_count, 1);
EXPECT_GE(prog.chunk_count, 100);
EXPECT_EQ(7 - prog.duplicate_files, prog.inodes_scanned);
EXPECT_EQ(file_hash_algo ? 4 - num_fail_empty : 7, prog.inodes_written);
EXPECT_EQ(prog.files_found - prog.duplicate_files - prog.hardlinks,
prog.inodes_written);
EXPECT_EQ(prog.block_count, prog.blocks_written);
EXPECT_EQ(num_fail_empty, prog.errors);
EXPECT_EQ(access_fail ? 2046934 : 2056934, prog.original_size);
EXPECT_EQ(23456, prog.hardlink_size);
EXPECT_EQ(file_hash_algo ? 23456 : 0, prog.saved_by_deduplication);
EXPECT_GE(prog.saved_by_segmentation, block_size_bits == 12 ? 0 : 1000000);
EXPECT_EQ(prog.original_size -
(prog.saved_by_deduplication + prog.saved_by_segmentation +
prog.symlink_size),
prog.filesystem_size);
// TODO:
// EXPECT_EQ(prog.similarity_scans, similarity ? prog.inodes_scanned.load() :
// 0);
EXPECT_EQ(prog.similarity.bytes,
similarity ? prog.original_size -
(prog.saved_by_deduplication + prog.symlink_size)
: 0);
EXPECT_EQ(prog.hash.scans, file_hash_algo ? 5 + num_fail_empty : 0);
EXPECT_EQ(prog.hash.bytes, file_hash_algo ? 46912 : 0);
EXPECT_EQ(image_size, prog.compressed_size);
filesystem_options opts;
opts.block_cache.max_bytes = 1 << 20;
opts.metadata.enable_nlink = enable_nlink;
opts.metadata.check_consistency = true;
opts.inode_reader.readahead = readahead;
filesystem_v2 fs(lgr, *input, mm, opts);
// fs.dump(std::cerr, 9);
vfs_stat vfsbuf;
fs.statvfs(&vfsbuf);
EXPECT_EQ(1, vfsbuf.bsize);
EXPECT_EQ(1, vfsbuf.frsize);
if (enable_nlink) {
EXPECT_EQ(access_fail ? 2046934 : 2056934, vfsbuf.blocks);
} else {
EXPECT_EQ(access_fail ? 2070390 : 2080390, vfsbuf.blocks);
}
EXPECT_EQ(11 + 2 * with_devices + with_specials, vfsbuf.files);
EXPECT_TRUE(vfsbuf.readonly);
EXPECT_GT(vfsbuf.namemax, 0);
std::ostringstream dumpss;
fs.dump(dumpss, 9);
EXPECT_GT(dumpss.str().size(), 1000) << dumpss.str();
auto entry = fs.find("/foo.pl");
ASSERT_TRUE(entry);
auto st = fs.getattr(*entry);
EXPECT_EQ(st.size, 23456);
EXPECT_EQ(st.uid, set_uid ? 0 : 1337);
EXPECT_EQ(st.gid, 0);
EXPECT_EQ(st.atime, set_time ? 4711 : keep_all_times ? 4001 : 4002);
EXPECT_EQ(st.mtime, set_time ? 4711 : keep_all_times ? 4002 : 4002);
EXPECT_EQ(st.ctime, set_time ? 4711 : keep_all_times ? 4003 : 4002);
int inode = fs.open(*entry);
EXPECT_GE(inode, 0);
std::vector<char> buf(st.size);
ssize_t rv = fs.read(inode, &buf[0], st.size, 0);
EXPECT_EQ(rv, st.size);
EXPECT_EQ(std::string(buf.begin(), buf.end()), test::loremipsum(st.size));
entry = fs.find("/somelink");
ASSERT_TRUE(entry);
st = fs.getattr(*entry);
EXPECT_EQ(st.size, 16);
EXPECT_EQ(st.uid, set_uid ? 0 : 1000);
EXPECT_EQ(st.gid, set_gid ? 0 : 100);
EXPECT_EQ(st.rdev, 0);
EXPECT_EQ(st.atime, set_time ? 4711 : keep_all_times ? 2001 : 2002);
EXPECT_EQ(st.mtime, set_time ? 4711 : keep_all_times ? 2002 : 2002);
EXPECT_EQ(st.ctime, set_time ? 4711 : keep_all_times ? 2003 : 2002);
std::string link;
EXPECT_EQ(fs.readlink(*entry, &link), 0);
EXPECT_EQ(link, "somedir/ipsum.py");
EXPECT_FALSE(fs.find("/somedir/nope"));
entry = fs.find("/somedir/bad");
ASSERT_TRUE(entry);
st = fs.getattr(*entry);
EXPECT_EQ(st.size, 6);
EXPECT_EQ(fs.readlink(*entry, &link), 0);
EXPECT_EQ(link, "../foo");
entry = fs.find("/somedir/pipe");
if (with_specials) {
ASSERT_TRUE(entry);
st = fs.getattr(*entry);
EXPECT_EQ(st.size, 0);
EXPECT_EQ(st.uid, set_uid ? 0 : 1000);
EXPECT_EQ(st.gid, set_gid ? 0 : 100);
EXPECT_EQ(st.type(), posix_file_type::fifo);
EXPECT_EQ(st.rdev, 0);
EXPECT_EQ(st.atime, set_time ? 4711 : keep_all_times ? 8001 : 8002);
EXPECT_EQ(st.mtime, set_time ? 4711 : keep_all_times ? 8002 : 8002);
EXPECT_EQ(st.ctime, set_time ? 4711 : keep_all_times ? 8003 : 8002);
} else {
EXPECT_FALSE(entry);
}
entry = fs.find("/somedir/null");
if (with_devices) {
ASSERT_TRUE(entry);
st = fs.getattr(*entry);
EXPECT_EQ(st.size, 0);
EXPECT_EQ(st.uid, 0);
EXPECT_EQ(st.gid, 0);
EXPECT_EQ(st.type(), posix_file_type::character);
EXPECT_EQ(st.rdev, 259);
} else {
EXPECT_FALSE(entry);
}
entry = fs.find("/somedir/zero");
if (with_devices) {
ASSERT_TRUE(entry);
st = fs.getattr(*entry);
EXPECT_EQ(st.size, 0);
EXPECT_EQ(st.uid, 0);
EXPECT_EQ(st.gid, 0);
EXPECT_EQ(st.type(), posix_file_type::character);
EXPECT_EQ(st.rdev, 261);
EXPECT_EQ(st.atime, set_time ? 4711
: keep_all_times ? 4000010001
: 4000020002);
EXPECT_EQ(st.mtime, set_time ? 4711
: keep_all_times ? 4000020002
: 4000020002);
EXPECT_EQ(st.ctime, set_time ? 4711
: keep_all_times ? 4000030003
: 4000020002);
} else {
EXPECT_FALSE(entry);
}
entry = fs.find("/");
ASSERT_TRUE(entry);
auto dir = fs.opendir(*entry);
ASSERT_TRUE(dir);
EXPECT_EQ(10, fs.dirsize(*dir));
entry = fs.find("/somedir");
ASSERT_TRUE(entry);
dir = fs.opendir(*entry);
ASSERT_TRUE(dir);
EXPECT_EQ(5 + 2 * with_devices + with_specials, fs.dirsize(*dir));
std::vector<std::string> names;
for (size_t i = 0; i < fs.dirsize(*dir); ++i) {
auto r = fs.readdir(*dir, i);
ASSERT_TRUE(r);
auto [view, name] = *r;
names.emplace_back(name);
}
std::vector<std::string> expected{
".", "..", "bad", "empty", "ipsum.py",
};
if (with_devices) {
expected.emplace_back("null");
}
if (with_specials) {
expected.emplace_back("pipe");
}
if (with_devices) {
expected.emplace_back("zero");
}
EXPECT_EQ(expected, names);
entry = fs.find("/foo.pl");
ASSERT_TRUE(entry);
auto e2 = fs.find("/bar.pl");
ASSERT_TRUE(e2);
EXPECT_EQ(entry->inode_num(), e2->inode_num());
auto st1 = fs.getattr(*entry);
auto st2 = fs.getattr(*e2);
EXPECT_EQ(st1.ino, st2.ino);
if (enable_nlink) {
EXPECT_EQ(2, st1.nlink);
EXPECT_EQ(2, st2.nlink);
}
entry = fs.find("/");
ASSERT_TRUE(entry);
EXPECT_EQ(0, entry->inode_num());
e2 = fs.find(0);
ASSERT_TRUE(e2);
EXPECT_EQ(e2->inode_num(), 0);
entry = fs.find(0, "baz.pl");
ASSERT_TRUE(entry);
EXPECT_GT(entry->inode_num(), 0);
st1 = fs.getattr(*entry);
EXPECT_EQ(23456, st1.size);
e2 = fs.find(0, "somedir");
ASSERT_TRUE(e2);
st2 = fs.getattr(*e2);
entry = fs.find(st2.ino, "ipsum.py");
ASSERT_TRUE(entry);
st1 = fs.getattr(*entry);
EXPECT_EQ(access_fail ? 0 : 10000, st1.size);
EXPECT_TRUE(fs.access(*entry, R_OK, 1000, 100));
entry = fs.find(0, "baz.pl");
ASSERT_TRUE(entry);
std::error_code ec;
fs.access(*entry, R_OK, 1337, 0, ec);
EXPECT_EQ(set_uid ? EACCES : 0, ec.value());
EXPECT_EQ(set_uid, !fs.access(*entry, R_OK, 1337, 0));
for (auto mp : {&filesystem_v2::walk, &filesystem_v2::walk_data_order}) {
std::map<std::string, file_stat> entries;
std::vector<int> inodes;
(fs.*mp)([&](dir_entry_view e) {
auto stbuf = fs.getattr(e.inode());
inodes.push_back(stbuf.ino);
auto path = e.path();
if (!path.empty()) {
path = "/" + path;
}
EXPECT_TRUE(entries.emplace(path, stbuf).second);
});
EXPECT_EQ(entries.size(),
input->size() + 2 * with_devices + with_specials - 3);
for (auto const& [p, st] : entries) {
auto ref = input->symlink_info(p);
EXPECT_EQ(ref.mode, st.mode) << p;
EXPECT_EQ(set_uid ? 0 : ref.uid, st.uid) << p;
EXPECT_EQ(set_gid ? 0 : ref.gid, st.gid) << p;
if (!st.is_directory()) {
if (input->access(p, R_OK) == 0) {
EXPECT_EQ(ref.size, st.size) << p;
} else {
EXPECT_EQ(0, st.size) << p;
}
}
}
}
auto dyn = fs.metadata_as_json();
EXPECT_TRUE(dyn.is_object());
auto json = fs.serialize_metadata_as_json(true);
EXPECT_GT(json.size(), 1000) << json;
json = fs.serialize_metadata_as_json(false);
EXPECT_GT(json.size(), 1000) << json;
for (int detail = 0; detail <= 5; ++detail) {
auto info = fs.info_as_json(detail);
ASSERT_TRUE(info.count("version"));
ASSERT_TRUE(info.count("image_offset"));
ASSERT_TRUE(info.count("created_on"));
ASSERT_TRUE(info.count("created_by"));
if (detail >= 1) {
ASSERT_TRUE(info.count("block_count"));
ASSERT_TRUE(info.count("block_size"));
ASSERT_TRUE(info.count("compressed_block_size"));
ASSERT_TRUE(info.count("compressed_metadata_size"));
ASSERT_TRUE(info.count("inode_count"));
ASSERT_TRUE(info.count("options"));
ASSERT_TRUE(info.count("original_filesystem_size"));
ASSERT_TRUE(info.count("preferred_path_separator"));
ASSERT_TRUE(info.count("uncompressed_block_size"));
ASSERT_TRUE(info.count("uncompressed_metadata_size"));
}
if (detail >= 2) {
ASSERT_TRUE(info.count("history"));
}
if (detail >= 3) {
ASSERT_TRUE(info.count("meta"));
ASSERT_TRUE(info.count("sections"));
}
if (detail >= 4) {
ASSERT_TRUE(info.count("root"));
}
}
}
std::vector<std::string> const compressions{
"null",
#ifdef DWARFS_HAVE_LIBLZ4
"lz4",
"lz4hc:level=4",
#endif
#ifdef DWARFS_HAVE_LIBZSTD
"zstd:level=1",
#endif
#ifdef DWARFS_HAVE_LIBLZMA
"lzma:level=1",
"lzma:level=1:binary=x86",
#endif
#ifdef DWARFS_HAVE_LIBBROTLI
"brotli:quality=2",
#endif
};
} // namespace
class compression_test
: public testing::TestWithParam<std::tuple<
std::string, unsigned, file_order_mode, std::optional<std::string>>> {
};
class scanner_test : public testing::TestWithParam<
std::tuple<bool, bool, bool, bool, bool, bool, bool,
bool, std::optional<std::string>>> {};
class hashing_test : public testing::TestWithParam<std::string> {};
class packing_test : public testing::TestWithParam<
std::tuple<bool, bool, bool, bool, bool, bool, bool>> {
};
class plain_tables_test
: public testing::TestWithParam<std::tuple<bool, bool>> {};
TEST_P(compression_test, end_to_end) {
auto [compressor, block_size_bits, file_order, file_hash_algo] = GetParam();
if (compressor.find("lzma") == 0 && block_size_bits < 16) {
// these are notoriously slow, so just skip them
return;
}
size_t readahead = 0;
if (block_size_bits < 20) {
readahead = static_cast<size_t>(4) << block_size_bits;
}
basic_end_to_end_test(compressor, block_size_bits, file_order, true, true,
false, false, false, false, false, true, true, true,
true, true, true, true, false, false, false, readahead,
file_hash_algo);
}
TEST_P(scanner_test, end_to_end) {
auto [with_devices, with_specials, set_uid, set_gid, set_time, keep_all_times,
enable_nlink, access_fail, file_hash_algo] = GetParam();
basic_end_to_end_test(compressions[0], 15, file_order_mode::NONE,
with_devices, with_specials, set_uid, set_gid, set_time,
keep_all_times, enable_nlink, true, true, true, true,
true, true, true, false, false, access_fail, 0,
file_hash_algo);
}
TEST_P(hashing_test, end_to_end) {
basic_end_to_end_test(compressions[0], 15, file_order_mode::NONE, true, true,
true, true, true, true, true, true, true, true, true,
true, true, true, false, false, false, 0, GetParam());
}
TEST_P(packing_test, end_to_end) {
auto [pack_chunk_table, pack_directories, pack_shared_files_table, pack_names,
pack_names_index, pack_symlinks, pack_symlinks_index] = GetParam();
basic_end_to_end_test(compressions[0], 15, file_order_mode::NONE, true, true,
false, false, false, false, false, pack_chunk_table,
pack_directories, pack_shared_files_table, pack_names,
pack_names_index, pack_symlinks, pack_symlinks_index,
false, false, false, 0, default_file_hash_algo);
}
TEST_P(plain_tables_test, end_to_end) {
auto [plain_names_table, plain_symlinks_table] = GetParam();
basic_end_to_end_test(compressions[0], 15, file_order_mode::NONE, true, true,
false, false, false, false, false, false, false, false,
false, false, false, false, plain_names_table,
plain_symlinks_table, false, 0, default_file_hash_algo);
}
TEST_P(packing_test, regression_empty_fs) {
auto [pack_chunk_table, pack_directories, pack_shared_files_table, pack_names,
pack_names_index, pack_symlinks, pack_symlinks_index] = GetParam();
segmenter::config cfg;
scanner_options options;
cfg.blockhash_window_size = 8;
cfg.block_size_bits = 10;
options.pack_chunk_table = pack_chunk_table;
options.pack_directories = pack_directories;
options.pack_shared_files_table = pack_shared_files_table;
options.pack_names = pack_names;
options.pack_names_index = pack_names_index;
options.pack_symlinks = pack_symlinks;
options.pack_symlinks_index = pack_symlinks_index;
options.force_pack_string_tables = true;
test::test_logger lgr;
auto input = std::make_shared<test::os_access_mock>();
input->add_dir("");
auto mm = std::make_shared<test::mmap_mock>(
build_dwarfs(lgr, input, "null", cfg, options));
filesystem_options opts;
opts.block_cache.max_bytes = 1 << 20;
opts.metadata.check_consistency = true;
filesystem_v2 fs(lgr, *input, mm, opts);
vfs_stat vfsbuf;
fs.statvfs(&vfsbuf);
EXPECT_EQ(1, vfsbuf.files);
EXPECT_EQ(0, vfsbuf.blocks);
size_t num = 0;
fs.walk([&](dir_entry_view e) {
++num;
auto stbuf = fs.getattr(e.inode());
EXPECT_TRUE(stbuf.is_directory());
});
EXPECT_EQ(1, num);
}
INSTANTIATE_TEST_SUITE_P(
dwarfs, compression_test,
::testing::Combine(
::testing::ValuesIn(compressions), ::testing::Values(12, 15, 20, 28),
::testing::Values(file_order_mode::NONE, file_order_mode::PATH,
file_order_mode::REVPATH, file_order_mode::NILSIMSA,
file_order_mode::SIMILARITY),
::testing::Values(std::nullopt, "xxh3-128")));
INSTANTIATE_TEST_SUITE_P(
dwarfs, scanner_test,
::testing::Combine(::testing::Bool(), ::testing::Bool(), ::testing::Bool(),
::testing::Bool(), ::testing::Bool(), ::testing::Bool(),
::testing::Bool(), ::testing::Bool(),
::testing::Values(std::nullopt, "xxh3-128", "sha512")));
INSTANTIATE_TEST_SUITE_P(dwarfs, hashing_test,
::testing::ValuesIn(checksum::available_algorithms()));
INSTANTIATE_TEST_SUITE_P(
dwarfs, packing_test,
::testing::Combine(::testing::Bool(), ::testing::Bool(), ::testing::Bool(),
::testing::Bool(), ::testing::Bool(), ::testing::Bool(),
::testing::Bool()));
INSTANTIATE_TEST_SUITE_P(dwarfs, plain_tables_test,
::testing::Combine(::testing::Bool(),
::testing::Bool()));
TEST(segmenter, regression_block_boundary) {
segmenter::config cfg;
// make sure we don't actually segment anything
cfg.blockhash_window_size = 12;
cfg.block_size_bits = 10;
filesystem_options opts;
opts.block_cache.max_bytes = 1 << 20;
opts.metadata.check_consistency = true;
test::test_logger lgr;
std::vector<size_t> fs_blocks;
for (auto size : {1023, 1024, 1025}) {
auto input = std::make_shared<test::os_access_mock>();
input->add_dir("");
input->add_file("test", size);
auto fsdata = build_dwarfs(lgr, input, "null", cfg);
auto mm = std::make_shared<test::mmap_mock>(fsdata);
filesystem_v2 fs(lgr, *input, mm, opts);
vfs_stat vfsbuf;
fs.statvfs(&vfsbuf);
EXPECT_EQ(2, vfsbuf.files);
EXPECT_EQ(size, vfsbuf.blocks);
fs_blocks.push_back(fs.num_blocks());
}
std::vector<size_t> const fs_blocks_expected{1, 1, 2};
EXPECT_EQ(fs_blocks_expected, fs_blocks);
}
class compression_regression : public testing::TestWithParam<std::string> {};
TEST_P(compression_regression, github45) {
auto compressor = GetParam();
segmenter::config cfg;
constexpr size_t block_size_bits = 18;
constexpr size_t file_size = 1 << block_size_bits;
cfg.blockhash_window_size = 0;
cfg.block_size_bits = block_size_bits;
filesystem_options opts;
opts.block_cache.max_bytes = 1 << 20;
opts.metadata.check_consistency = true;
test::test_logger lgr;
std::independent_bits_engine<std::mt19937_64,
std::numeric_limits<uint8_t>::digits, uint16_t>
rng;
std::string random;
random.resize(file_size);
std::generate(begin(random), end(random), std::ref(rng));
auto input = std::make_shared<test::os_access_mock>();
input->add_dir("");
input->add_file("random", random);
input->add_file("test", file_size);
auto fsdata = build_dwarfs(lgr, input, compressor, cfg);
auto mm = std::make_shared<test::mmap_mock>(fsdata);
std::stringstream idss;
filesystem_v2::identify(lgr, *input, mm, idss, 3);
std::string line;
std::regex const re("^SECTION num=\\d+, type=BLOCK, compression=(\\w+).*");
std::set<std::string> compressions;
while (std::getline(idss, line)) {
std::smatch m;
if (std::regex_match(line, m, re)) {
compressions.emplace(m[1]);
}
}
if (compressor == "null") {
EXPECT_EQ(1, compressions.size());
} else {
EXPECT_EQ(2, compressions.size());
}
EXPECT_EQ(1, compressions.count("NONE"));
filesystem_v2 fs(lgr, *input, mm, opts);
vfs_stat vfsbuf;
fs.statvfs(&vfsbuf);
EXPECT_EQ(3, vfsbuf.files);
EXPECT_EQ(2 * file_size, vfsbuf.blocks);
auto check_file = [&](char const* name, std::string const& contents) {
auto entry = fs.find(name);
ASSERT_TRUE(entry);
auto st = fs.getattr(*entry);
EXPECT_EQ(st.size, file_size);
int inode = fs.open(*entry);
EXPECT_GE(inode, 0);
std::vector<char> buf(st.size);
ssize_t rv = fs.read(inode, &buf[0], st.size, 0);
EXPECT_EQ(rv, st.size);
EXPECT_EQ(std::string(buf.begin(), buf.end()), contents);
};
check_file("random", random);
check_file("test", test::loremipsum(file_size));
}
INSTANTIATE_TEST_SUITE_P(dwarfs, compression_regression,
::testing::ValuesIn(compressions));
class file_scanner
: public testing::TestWithParam<
std::tuple<file_order_mode, std::optional<std::string>>> {};
TEST_P(file_scanner, inode_ordering) {
auto [order_mode, file_hash_algo] = GetParam();
test::test_logger lgr;
auto bmcfg = segmenter::config();
auto opts = scanner_options();
file_order_options order_opts;
order_opts.mode = order_mode;
opts.file_hash_algorithm = file_hash_algo;
opts.inode.fragment_order.set_default(order_opts);
opts.no_create_timestamp = true;
auto input = std::make_shared<test::os_access_mock>();
#if defined(DWARFS_TEST_RUNNING_ON_ASAN) || defined(DWARFS_TEST_RUNNING_ON_TSAN)
static constexpr int dim{7};
#else
static constexpr int dim{14};
#endif
#ifdef NDEBUG
static constexpr int repetitions{50};
#else
static constexpr int repetitions{10};
#endif
input->add_dir("");
for (int x = 0; x < dim; ++x) {
input->add_dir(fmt::format("{}", x));
for (int y = 0; y < dim; ++y) {
input->add_dir(fmt::format("{}/{}", x, y));
for (int z = 0; z < dim; ++z) {
input->add_file(fmt::format("{}/{}/{}", x, y, z),
(x + 1) * (y + 1) * (z + 1), true);
}
}
}
auto ref = build_dwarfs(lgr, input, "null", bmcfg, opts);
for (int i = 0; i < repetitions; ++i) {
auto fs = build_dwarfs(lgr, input, "null", bmcfg, opts);
EXPECT_EQ(ref, fs);
// if (ref != fs) {
// folly::writeFile(ref, "ref.dwarfs");
// folly::writeFile(fs, fmt::format("test{}.dwarfs", i).c_str());
// }
}
}
INSTANTIATE_TEST_SUITE_P(
dwarfs, file_scanner,
::testing::Combine(::testing::Values(file_order_mode::PATH,
file_order_mode::REVPATH,
file_order_mode::SIMILARITY,
file_order_mode::NILSIMSA),
::testing::Values(std::nullopt, "xxh3-128")));
class filter_test
: public testing::TestWithParam<dwarfs::test::filter_test_data> {
public:
test::test_logger lgr;
std::shared_ptr<builtin_script> scr;
std::shared_ptr<test::test_file_access> tfa;
std::shared_ptr<test::os_access_mock> input;
void SetUp() override {
tfa = std::make_shared<test::test_file_access>();
scr = std::make_shared<builtin_script>(lgr, tfa);
scr->set_root_path("");
input = std::make_shared<test::os_access_mock>();
for (auto const& [stat, name] : dwarfs::test::test_dirtree()) {
auto path = name.substr(name.size() == 5 ? 5 : 6);
switch (stat.type()) {
case posix_file_type::regular:
input->add(path, stat,
[size = stat.size] { return test::loremipsum(size); });
break;
case posix_file_type::symlink:
input->add(path, stat, test::loremipsum(stat.size));
break;
default:
input->add(path, stat);
break;
}
}
}
void set_filter_rules(test::filter_test_data const& spec) {
std::istringstream iss(spec.filter());
scr->add_filter_rules(iss);
}
std::string get_filter_debug_output(test::filter_test_data const& spec,
debug_filter_mode mode) {
set_filter_rules(spec);
std::ostringstream oss;
scanner_options options;
options.remove_empty_dirs = false;
options.debug_filter_function = [&](bool exclude, entry const* pe) {
debug_filter_output(oss, exclude, pe, mode);
};
progress prog;
thread_pool pool(lgr, *input, "worker", 1);
auto sf = std::make_shared<segmenter_factory>(lgr, prog,
segmenter_factory::config{});
scanner s(lgr, pool, sf, entry_factory::create(), input, scr, options);
block_compressor bc("null");
std::ostringstream null;
filesystem_writer fsw(null, lgr, pool, prog, bc, bc, bc);
s.scan(fsw, std::filesystem::path("/"), prog);
return oss.str();
}
void TearDown() override {
scr.reset();
input.reset();
tfa.reset();
}
};
TEST_P(filter_test, filesystem) {
auto spec = GetParam();
set_filter_rules(spec);
segmenter::config cfg;
scanner_options options;
options.remove_empty_dirs = true;
auto fsimage = build_dwarfs(lgr, input, "null", cfg, options, nullptr, scr);
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_options opts;
opts.block_cache.max_bytes = 1 << 20;
opts.metadata.enable_nlink = true;
opts.metadata.check_consistency = true;
filesystem_v2 fs(lgr, *input, mm, opts);
std::unordered_set<std::string> got;
fs.walk([&got](dir_entry_view e) { got.emplace(e.unix_path()); });
EXPECT_EQ(spec.expected_files(), got);
}
TEST_P(filter_test, debug_filter_function_included) {
auto spec = GetParam();
auto output = get_filter_debug_output(spec, debug_filter_mode::INCLUDED);
auto expected = spec.get_expected_filter_output(debug_filter_mode::INCLUDED);
EXPECT_EQ(expected, output);
}
TEST_P(filter_test, debug_filter_function_included_files) {
auto spec = GetParam();
auto output =
get_filter_debug_output(spec, debug_filter_mode::INCLUDED_FILES);
auto expected =
spec.get_expected_filter_output(debug_filter_mode::INCLUDED_FILES);
EXPECT_EQ(expected, output);
}
TEST_P(filter_test, debug_filter_function_excluded) {
auto spec = GetParam();
auto output = get_filter_debug_output(spec, debug_filter_mode::EXCLUDED);
auto expected = spec.get_expected_filter_output(debug_filter_mode::EXCLUDED);
EXPECT_EQ(expected, output);
}
TEST_P(filter_test, debug_filter_function_excluded_files) {
auto spec = GetParam();
auto output =
get_filter_debug_output(spec, debug_filter_mode::EXCLUDED_FILES);
auto expected =
spec.get_expected_filter_output(debug_filter_mode::EXCLUDED_FILES);
EXPECT_EQ(expected, output);
}
TEST_P(filter_test, debug_filter_function_all) {
auto spec = GetParam();
auto output = get_filter_debug_output(spec, debug_filter_mode::ALL);
auto expected = spec.get_expected_filter_output(debug_filter_mode::ALL);
EXPECT_EQ(expected, output);
}
TEST_P(filter_test, debug_filter_function_files) {
auto spec = GetParam();
auto output = get_filter_debug_output(spec, debug_filter_mode::FILES);
auto expected = spec.get_expected_filter_output(debug_filter_mode::FILES);
EXPECT_EQ(expected, output);
}
INSTANTIATE_TEST_SUITE_P(dwarfs, filter_test,
::testing::ValuesIn(dwarfs::test::get_filter_tests()));
TEST(file_scanner, input_list) {
test::test_logger lgr;
auto bmcfg = segmenter::config();
auto opts = scanner_options();
file_order_options order_opts;
opts.inode.fragment_order.set_default(order_opts);
auto input = test::os_access_mock::create_test_instance();
std::vector<std::filesystem::path> input_list{
"somedir/ipsum.py",
"foo.pl",
};
auto fsimage = build_dwarfs(lgr, input, "null", bmcfg, opts, nullptr, nullptr,
input_list);
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_v2 fs(lgr, *input, mm);
std::unordered_set<std::string> got;
fs.walk([&got](dir_entry_view e) { got.emplace(e.unix_path()); });
std::unordered_set<std::string> expected{
"",
"somedir",
"somedir/ipsum.py",
"foo.pl",
};
EXPECT_EQ(expected, got);
}
TEST(filesystem, uid_gid_32bit) {
test::test_logger lgr;
auto input = std::make_shared<test::os_access_mock>();
input->add("", {1, 040755, 1, 0, 0, 10, 42, 0, 0, 0});
input->add("foo16.txt", {2, 0100755, 1, 60000, 65535, 5, 42, 0, 0, 0},
"hello");
input->add("foo32.txt", {3, 0100755, 1, 65536, 4294967295, 5, 42, 0, 0, 0},
"world");
auto fsimage = build_dwarfs(lgr, input, "null");
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_v2 fs(lgr, *input, mm);
auto iv16 = fs.find("/foo16.txt");
auto iv32 = fs.find("/foo32.txt");
EXPECT_TRUE(iv16);
EXPECT_TRUE(iv32);
auto st16 = fs.getattr(*iv16);
auto st32 = fs.getattr(*iv32);
EXPECT_EQ(60000, st16.uid);
EXPECT_EQ(65535, st16.gid);
EXPECT_EQ(65536, st32.uid);
EXPECT_EQ(4294967295, st32.gid);
}
TEST(filesystem, uid_gid_count) {
test::test_logger lgr;
auto input = std::make_shared<test::os_access_mock>();
input->add("", {1, 040755, 1, 0, 0, 10, 42, 0, 0, 0});
for (uint32_t i = 0; i < 100000; ++i) {
input->add(fmt::format("foo{:05d}.txt", i),
{2 + i, 0100644, 1, 50000 + i, 250000 + i, 10, 42, 0, 0, 0},
fmt::format("hello{:05d}", i));
}
auto fsimage = build_dwarfs(lgr, input, "null");
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_v2 fs(lgr, *input, mm);
auto iv00000 = fs.find("/foo00000.txt");
auto iv50000 = fs.find("/foo50000.txt");
auto iv99999 = fs.find("/foo99999.txt");
EXPECT_TRUE(iv00000);
EXPECT_TRUE(iv50000);
EXPECT_TRUE(iv99999);
auto st00000 = fs.getattr(*iv00000);
auto st50000 = fs.getattr(*iv50000);
auto st99999 = fs.getattr(*iv99999);
EXPECT_EQ(50000, st00000.uid);
EXPECT_EQ(250000, st00000.gid);
EXPECT_EQ(100000, st50000.uid);
EXPECT_EQ(300000, st50000.gid);
EXPECT_EQ(149999, st99999.uid);
EXPECT_EQ(349999, st99999.gid);
}
TEST(section_index_regression, github183) {
static constexpr uint64_t section_offset_mask{(UINT64_C(1) << 48) - 1};
test::test_logger lgr;
segmenter::config cfg{
.block_size_bits = 10,
};
auto input = test::os_access_mock::create_test_instance();
auto fsimage = build_dwarfs(lgr, input, "null", cfg);
std::vector<uint64_t> index;
{
uint64_t index_pos;
::memcpy(&index_pos, fsimage.data() + (fsimage.size() - sizeof(uint64_t)),
sizeof(uint64_t));
ASSERT_EQ((index_pos >> 48),
static_cast<uint16_t>(section_type::SECTION_INDEX));
index_pos &= section_offset_mask;
ASSERT_LT(index_pos, fsimage.size());
test::mmap_mock mm(fsimage);
auto section = fs_section(mm, index_pos, 2);
EXPECT_TRUE(section.check_fast(mm));
index.resize(section.length() / sizeof(uint64_t));
::memcpy(index.data(), section.data(mm).data(), section.length());
}
ASSERT_GT(index.size(), 10);
auto const schema_ix{index.size() - 4};
auto const metadata_ix{index.size() - 3};
auto const history_ix{index.size() - 2};
ASSERT_EQ(index[schema_ix] >> 48,
static_cast<uint16_t>(section_type::METADATA_V2_SCHEMA));
ASSERT_EQ(index[metadata_ix] >> 48,
static_cast<uint16_t>(section_type::METADATA_V2));
ASSERT_EQ(index[history_ix] >> 48,
static_cast<uint16_t>(section_type::HISTORY));
auto const schema_offset{index[schema_ix] & section_offset_mask};
auto fsimage2 = fsimage;
::memset(fsimage2.data() + 8, 0xff, schema_offset - 8);
auto mm = std::make_shared<test::mmap_mock>(fsimage2);
filesystem_v2 fs;
ASSERT_NO_THROW(fs = filesystem_v2(lgr, *input, mm));
EXPECT_NO_THROW(fs.walk([](auto) {}));
auto entry = fs.find("/foo.pl");
ASSERT_TRUE(entry);
auto st = fs.getattr(*entry);
int inode{-1};
EXPECT_NO_THROW(inode = fs.open(*entry));
std::vector<char> buf(st.size);
auto rv = fs.read(inode, &buf[0], st.size, 0);
EXPECT_EQ(rv, -EIO);
std::stringstream idss;
EXPECT_THROW(filesystem_v2::identify(lgr, *input, mm, idss, 3),
dwarfs::runtime_error);
}
TEST(filesystem, find_by_path) {
test::test_logger lgr;
auto input = test::os_access_mock::create_test_instance();
auto fsimage = build_dwarfs(lgr, input, "null");
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_v2 fs(lgr, *input, mm);
std::vector<std::string> paths;
fs.walk([&](auto e) { paths.emplace_back(e.unix_path()); });
EXPECT_GT(paths.size(), 10);
for (auto const& p : paths) {
auto iv = fs.find(p.c_str());
ASSERT_TRUE(iv) << p;
EXPECT_FALSE(fs.find(iv->inode_num(), "desktop.ini")) << p;
EXPECT_FALSE(fs.find((p + "/desktop.ini").c_str())) << p;
}
}
TEST(file_scanner, file_start_hash) {
test::test_logger lgr;
auto input = std::make_shared<test::os_access_mock>();
static constexpr size_t const kSize{1 << 20};
auto generator = [] { return test::loremipsum(kSize); };
input->add("", {1, 040755, 1, 0, 0, 10, 42, 0, 0, 0});
input->add("hardlink1", {42, 0100755, 2, 1000, 100, kSize, 4711, 0, 0, 0},
generator);
input->add("hardlink2", {42, 0100755, 2, 1000, 100, kSize, 4711, 0, 0, 0},
generator);
auto fsimage = build_dwarfs(lgr, input, "null");
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_v2 fs(lgr, *input, mm, {.metadata = {.enable_nlink = true}});
auto link1 = fs.find("/hardlink1");
auto link2 = fs.find("/hardlink2");
EXPECT_TRUE(link1);
EXPECT_TRUE(link2);
auto st1 = fs.getattr(*link1);
auto st2 = fs.getattr(*link2);
EXPECT_EQ(st1.ino, st2.ino);
EXPECT_EQ(st1.nlink, 2);
EXPECT_EQ(st2.nlink, 2);
}
TEST(filesystem, root_access_github204) {
test::test_logger lgr;
auto input = std::make_shared<test::os_access_mock>();
input->add("", {1, 040755, 1, 1000, 100, 10, 42, 0, 0, 0});
input->add("other", {2, 040755, 1, 1000, 100, 10, 42, 0, 0, 0});
input->add("group", {3, 040750, 1, 1000, 100, 10, 42, 0, 0, 0});
input->add("user", {4, 040700, 1, 1000, 100, 10, 42, 0, 0, 0});
input->add("other/file", {5, 0100644, 1, 1000, 100, 5, 42, 0, 0, 0}, "other");
input->add("group/file", {6, 0100640, 1, 1000, 100, 5, 42, 0, 0, 0}, "group");
input->add("user/file", {7, 0100600, 1, 1000, 100, 4, 42, 0, 0, 0}, "user");
auto fsimage = build_dwarfs(lgr, input, "null");
auto mm = std::make_shared<test::mmap_mock>(std::move(fsimage));
filesystem_v2 fs(lgr, *input, mm);
auto other = fs.find("/other");
auto group = fs.find("/group");
auto user = fs.find("/user");
EXPECT_TRUE(other);
EXPECT_TRUE(group);
EXPECT_TRUE(user);
#ifdef _WIN32
static constexpr int const x_ok{1};
#else
static constexpr int const x_ok{X_OK};
#endif
EXPECT_TRUE(fs.access(*other, R_OK, 1000, 100));
EXPECT_TRUE(fs.access(*group, R_OK, 1000, 100));
EXPECT_TRUE(fs.access(*user, R_OK, 1000, 100));
EXPECT_TRUE(fs.access(*other, W_OK, 1000, 100));
EXPECT_TRUE(fs.access(*group, W_OK, 1000, 100));
EXPECT_TRUE(fs.access(*user, W_OK, 1000, 100));
EXPECT_TRUE(fs.access(*other, x_ok, 1000, 100));
EXPECT_TRUE(fs.access(*group, x_ok, 1000, 100));
EXPECT_TRUE(fs.access(*user, x_ok, 1000, 100));
EXPECT_TRUE(fs.access(*other, R_OK, 1000, 0));
EXPECT_TRUE(fs.access(*group, R_OK, 1000, 0));
EXPECT_TRUE(fs.access(*user, R_OK, 1000, 0));
EXPECT_TRUE(fs.access(*other, W_OK, 1000, 0));
EXPECT_TRUE(fs.access(*group, W_OK, 1000, 0));
EXPECT_TRUE(fs.access(*user, W_OK, 1000, 0));
EXPECT_TRUE(fs.access(*other, x_ok, 1000, 0));
EXPECT_TRUE(fs.access(*group, x_ok, 1000, 0));
EXPECT_TRUE(fs.access(*user, x_ok, 1000, 0));
EXPECT_TRUE(fs.access(*other, R_OK, 2000, 100));
EXPECT_TRUE(fs.access(*group, R_OK, 2000, 100));
EXPECT_FALSE(fs.access(*user, R_OK, 2000, 100));
EXPECT_FALSE(fs.access(*other, W_OK, 2000, 100));
EXPECT_FALSE(fs.access(*group, W_OK, 2000, 100));
EXPECT_FALSE(fs.access(*user, W_OK, 2000, 100));
EXPECT_TRUE(fs.access(*other, x_ok, 2000, 100));
EXPECT_TRUE(fs.access(*group, x_ok, 2000, 100));
EXPECT_FALSE(fs.access(*user, x_ok, 2000, 100));
EXPECT_TRUE(fs.access(*other, R_OK, 2000, 200));
EXPECT_FALSE(fs.access(*group, R_OK, 2000, 200));
EXPECT_FALSE(fs.access(*user, R_OK, 2000, 200));
EXPECT_FALSE(fs.access(*other, W_OK, 2000, 200));
EXPECT_FALSE(fs.access(*group, W_OK, 2000, 200));
EXPECT_FALSE(fs.access(*user, W_OK, 2000, 200));
EXPECT_TRUE(fs.access(*other, x_ok, 2000, 200));
EXPECT_FALSE(fs.access(*group, x_ok, 2000, 200));
EXPECT_FALSE(fs.access(*user, x_ok, 2000, 200));
EXPECT_TRUE(fs.access(*other, R_OK, 0, 0));
EXPECT_TRUE(fs.access(*group, R_OK, 0, 0));
EXPECT_TRUE(fs.access(*user, R_OK, 0, 0));
EXPECT_TRUE(fs.access(*other, W_OK, 0, 0));
EXPECT_TRUE(fs.access(*group, W_OK, 0, 0));
EXPECT_TRUE(fs.access(*user, W_OK, 0, 0));
EXPECT_TRUE(fs.access(*other, x_ok, 0, 0));
EXPECT_TRUE(fs.access(*group, x_ok, 0, 0));
EXPECT_TRUE(fs.access(*user, x_ok, 0, 0));
other = fs.find("/other/file");
group = fs.find("/group/file");
user = fs.find("/user/file");
EXPECT_TRUE(other);
EXPECT_TRUE(group);
EXPECT_TRUE(user);
EXPECT_TRUE(fs.access(*other, R_OK, 1000, 100));
EXPECT_TRUE(fs.access(*group, R_OK, 1000, 100));
EXPECT_TRUE(fs.access(*user, R_OK, 1000, 100));
EXPECT_TRUE(fs.access(*other, W_OK, 1000, 100));
EXPECT_TRUE(fs.access(*group, W_OK, 1000, 100));
EXPECT_TRUE(fs.access(*user, W_OK, 1000, 100));
EXPECT_FALSE(fs.access(*other, x_ok, 1000, 100));
EXPECT_FALSE(fs.access(*group, x_ok, 1000, 100));
EXPECT_FALSE(fs.access(*user, x_ok, 1000, 100));
EXPECT_TRUE(fs.access(*other, R_OK, 1000, 0));
EXPECT_TRUE(fs.access(*group, R_OK, 1000, 0));
EXPECT_TRUE(fs.access(*user, R_OK, 1000, 0));
EXPECT_TRUE(fs.access(*other, W_OK, 1000, 0));
EXPECT_TRUE(fs.access(*group, W_OK, 1000, 0));
EXPECT_TRUE(fs.access(*user, W_OK, 1000, 0));
EXPECT_FALSE(fs.access(*other, x_ok, 1000, 0));
EXPECT_FALSE(fs.access(*group, x_ok, 1000, 0));
EXPECT_FALSE(fs.access(*user, x_ok, 1000, 0));
EXPECT_TRUE(fs.access(*other, R_OK, 2000, 100));
EXPECT_TRUE(fs.access(*group, R_OK, 2000, 100));
EXPECT_FALSE(fs.access(*user, R_OK, 2000, 100));
EXPECT_FALSE(fs.access(*other, W_OK, 2000, 100));
EXPECT_FALSE(fs.access(*group, W_OK, 2000, 100));
EXPECT_FALSE(fs.access(*user, W_OK, 2000, 100));
EXPECT_FALSE(fs.access(*other, x_ok, 2000, 100));
EXPECT_FALSE(fs.access(*group, x_ok, 2000, 100));
EXPECT_FALSE(fs.access(*user, x_ok, 2000, 100));
EXPECT_TRUE(fs.access(*other, R_OK, 2000, 200));
EXPECT_FALSE(fs.access(*group, R_OK, 2000, 200));
EXPECT_FALSE(fs.access(*user, R_OK, 2000, 200));
EXPECT_FALSE(fs.access(*other, W_OK, 2000, 200));
EXPECT_FALSE(fs.access(*group, W_OK, 2000, 200));
EXPECT_FALSE(fs.access(*user, W_OK, 2000, 200));
EXPECT_FALSE(fs.access(*other, x_ok, 2000, 200));
EXPECT_FALSE(fs.access(*group, x_ok, 2000, 200));
EXPECT_FALSE(fs.access(*user, x_ok, 2000, 200));
EXPECT_TRUE(fs.access(*other, R_OK, 0, 0));
EXPECT_TRUE(fs.access(*group, R_OK, 0, 0));
EXPECT_TRUE(fs.access(*user, R_OK, 0, 0));
EXPECT_TRUE(fs.access(*other, W_OK, 0, 0));
EXPECT_TRUE(fs.access(*group, W_OK, 0, 0));
EXPECT_TRUE(fs.access(*user, W_OK, 0, 0));
EXPECT_FALSE(fs.access(*other, x_ok, 0, 0));
EXPECT_FALSE(fs.access(*group, x_ok, 0, 0));
EXPECT_FALSE(fs.access(*user, x_ok, 0, 0));
}
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