tdlight/tdutils/test/port.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/port/FileFd.h"
#include "td/utils/port/path.h"
#include "td/utils/Slice.h"
#include "td/utils/tests.h"
using namespace td;
TEST(Port, files) {
CSlice main_dir = "test_dir";
rmrf(main_dir).ignore();
ASSERT_TRUE(FileFd::open(main_dir, FileFd::Write).is_error());
ASSERT_TRUE(walk_path(main_dir, [](CSlice name, WalkPath::Type type) { UNREACHABLE(); }).is_error());
mkdir(main_dir).ensure();
mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "A").ensure();
mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "B").ensure();
mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "B" << TD_DIR_SLASH << "D").ensure();
mkdir(PSLICE() << main_dir << TD_DIR_SLASH << "C").ensure();
ASSERT_TRUE(FileFd::open(main_dir, FileFd::Write).is_error());
std::string fd_path = PSTRING() << main_dir << TD_DIR_SLASH << "t.txt";
std::string fd2_path = PSTRING() << main_dir << TD_DIR_SLASH << "C" << TD_DIR_SLASH << "t2.txt";
auto fd = FileFd::open(fd_path, FileFd::Write | FileFd::CreateNew).move_as_ok();
auto fd2 = FileFd::open(fd2_path, FileFd::Write | FileFd::CreateNew).move_as_ok();
fd2.close();
int cnt = 0;
const int ITER_COUNT = 1000;
for (int i = 0; i < ITER_COUNT; i++) {
walk_path(main_dir, [&](CSlice name, WalkPath::Type type) {
if (type == WalkPath::Type::NotDir) {
ASSERT_TRUE(name == fd_path || name == fd2_path);
}
cnt++;
}).ensure();
}
ASSERT_EQ((5 * 2 + 2) * ITER_COUNT, cnt);
bool was_abort = false;
walk_path(main_dir, [&](CSlice name, WalkPath::Type type) {
CHECK(!was_abort);
if (type == WalkPath::Type::EnterDir && ends_with(name, PSLICE() << TD_DIR_SLASH << "B")) {
was_abort = true;
return WalkPath::Action::Abort;
}
return WalkPath::Action::Continue;
}).ensure();
CHECK(was_abort);
cnt = 0;
bool is_first_dir = true;
walk_path(main_dir, [&](CSlice name, WalkPath::Type type) {
cnt++;
if (type == WalkPath::Type::EnterDir) {
if (is_first_dir) {
is_first_dir = false;
} else {
return WalkPath::Action::SkipDir;
}
}
return WalkPath::Action::Continue;
}).ensure();
ASSERT_EQ(6, cnt);
ASSERT_EQ(0u, fd.get_size().move_as_ok());
ASSERT_EQ(12u, fd.write("Hello world!").move_as_ok());
ASSERT_EQ(4u, fd.pwrite("abcd", 1).move_as_ok());
char buf[100];
MutableSlice buf_slice(buf, sizeof(buf));
ASSERT_TRUE(fd.pread(buf_slice.substr(0, 4), 2).is_error());
fd.seek(11).ensure();
ASSERT_EQ(2u, fd.write("?!").move_as_ok());
ASSERT_TRUE(FileFd::open(main_dir, FileFd::Read | FileFd::CreateNew).is_error());
fd = FileFd::open(fd_path, FileFd::Read | FileFd::Create).move_as_ok();
ASSERT_EQ(13u, fd.get_size().move_as_ok());
ASSERT_EQ(4u, fd.pread(buf_slice.substr(0, 4), 1).move_as_ok());
ASSERT_STREQ("abcd", buf_slice.substr(0, 4));
fd.seek(0).ensure();
ASSERT_EQ(13u, fd.read(buf_slice.substr(0, 13)).move_as_ok());
ASSERT_STREQ("Habcd world?!", buf_slice.substr(0, 13));
}