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tdlib-fork/tdutils/test/misc.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// 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/base64.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/port/EventFd.h"
#include "td/utils/port/FileFd.h"
#include "td/utils/port/path.h"
#include "td/utils/port/sleep.h"
#include "td/utils/port/Stat.h"
#include "td/utils/port/thread.h"
#include "td/utils/Random.h"
#include "td/utils/tests.h"
#include <atomic>
#include <limits>
using namespace td;
#if TD_LINUX || TD_DARWIN
TEST(Misc, update_atime_saves_mtime) {
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(ERROR));
std::string name = "test_file";
unlink(name).ignore();
auto r_file = FileFd::open(name, FileFd::Read | FileFd::Flags::Create | FileFd::Flags::Truncate);
LOG_IF(ERROR, r_file.is_error()) << r_file.error();
ASSERT_TRUE(r_file.is_ok());
r_file.move_as_ok().close();
auto info = stat(name).ok();
int32 tests_ok = 0;
int32 tests_wa = 0;
for (int i = 0; i < 10000; i++) {
update_atime(name).ensure();
auto new_info = stat(name).ok();
if (info.mtime_nsec_ == new_info.mtime_nsec_) {
tests_ok++;
} else {
tests_wa++;
info.mtime_nsec_ = new_info.mtime_nsec_;
}
ASSERT_EQ(info.mtime_nsec_, new_info.mtime_nsec_);
usleep_for(Random::fast(0, 1000));
}
if (tests_wa > 0) {
LOG(ERROR) << "Access time was unexpectedly updated " << tests_wa << " times";
}
unlink(name).ensure();
}
TEST(Misc, update_atime_change_atime) {
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(ERROR));
std::string name = "test_file";
unlink(name).ignore();
auto r_file = FileFd::open(name, FileFd::Read | FileFd::Flags::Create | FileFd::Flags::Truncate);
LOG_IF(ERROR, r_file.is_error()) << r_file.error();
ASSERT_TRUE(r_file.is_ok());
r_file.move_as_ok().close();
auto info = stat(name).ok();
// not enough for fat and e.t.c.
usleep_for(5000000);
update_atime(name).ensure();
auto new_info = stat(name).ok();
if (info.atime_nsec_ == new_info.atime_nsec_) {
LOG(ERROR) << "Access time was unexpectedly not changed";
}
unlink(name).ensure();
}
#endif
TEST(Misc, errno_tls_bug) {
// That's a problem that should be avoided
// errno = 0;
// impl_.alloc(123);
// CHECK(errno == 0);
#if !TD_THREAD_UNSUPPORTED && !TD_EVENTFD_UNSUPPORTED
EventFd test_event_fd;
test_event_fd.init();
std::atomic<int> s(0);
s = 1;
td::thread th([&] {
while (s != 1) {
}
test_event_fd.acquire();
});
th.join();
for (int i = 0; i < 1000; i++) {
vector<EventFd> events(10);
vector<td::thread> threads;
for (auto &event : events) {
event.init();
event.release();
}
for (auto &event : events) {
threads.push_back(td::thread([&] {
{
EventFd tmp;
tmp.init();
tmp.acquire();
}
event.acquire();
}));
}
for (auto &thread : threads) {
thread.join();
}
}
#endif
}
TEST(Misc, base64) {
for (int l = 0; l < 300000; l += l / 20 + 1) {
for (int t = 0; t < 10; t++) {
string s = rand_string(std::numeric_limits<char>::min(), std::numeric_limits<char>::max(), l);
string encoded = base64url_encode(s);
auto decoded = base64url_decode(encoded);
ASSERT_TRUE(decoded.is_ok());
ASSERT_TRUE(decoded.ok() == s);
encoded = base64_encode(s);
decoded = base64_decode(encoded);
ASSERT_TRUE(decoded.is_ok());
ASSERT_TRUE(decoded.ok() == s);
}
}
ASSERT_TRUE(base64url_decode("dGVzdA").is_ok());
ASSERT_TRUE(base64url_decode("dGVzdB").is_error());
ASSERT_TRUE(base64_encode(base64url_decode("dGVzdA").ok()) == "dGVzdA==");
ASSERT_TRUE(base64_encode("any carnal pleas") == "YW55IGNhcm5hbCBwbGVhcw==");
ASSERT_TRUE(base64_encode("any carnal pleasu") == "YW55IGNhcm5hbCBwbGVhc3U=");
ASSERT_TRUE(base64_encode("any carnal pleasur") == "YW55IGNhcm5hbCBwbGVhc3Vy");
ASSERT_TRUE(base64_encode(" /'.;.';≤.];,].',[.;/,.;/]/..;!@#!*(%?::;!%\";") ==
"ICAgICAgLycuOy4nO+KJpC5dOyxdLicsWy47LywuOy9dLy4uOyFAIyEqKCU/"
"Ojo7ISUiOw==");
}
TEST(Misc, to_integer) {
ASSERT_EQ(to_integer<int32>("-1234567"), -1234567);
ASSERT_EQ(to_integer<int64>("-1234567"), -1234567);
ASSERT_EQ(to_integer<uint32>("-1234567"), 0u);
ASSERT_EQ(to_integer<int16>("-1234567"), 10617);
ASSERT_EQ(to_integer<uint16>("-1234567"), 0u);
ASSERT_EQ(to_integer<int16>("-1254567"), -9383);
ASSERT_EQ(to_integer<uint16>("1254567"), 9383u);
ASSERT_EQ(to_integer<int64>("-12345678910111213"), -12345678910111213);
ASSERT_EQ(to_integer<uint64>("12345678910111213"), 12345678910111213ull);
ASSERT_EQ(to_integer_safe<int32>("-1234567").ok(), -1234567);
ASSERT_EQ(to_integer_safe<int64>("-1234567").ok(), -1234567);
ASSERT_TRUE(to_integer_safe<uint32>("-1234567").is_error());
ASSERT_TRUE(to_integer_safe<int16>("-1234567").is_error());
ASSERT_TRUE(to_integer_safe<uint16>("-1234567").is_error());
ASSERT_TRUE(to_integer_safe<int16>("-1254567").is_error());
ASSERT_TRUE(to_integer_safe<uint16>("1254567").is_error());
ASSERT_EQ(to_integer_safe<int64>("-12345678910111213").ok(), -12345678910111213);
ASSERT_EQ(to_integer_safe<uint64>("12345678910111213").ok(), 12345678910111213ull);
ASSERT_TRUE(to_integer_safe<uint64>("-12345678910111213").is_error());
}