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// Copyright (c) 2011-2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
//
#include <fs.h>
#include <test/util/setup_common.h>
#include <util/system.h>
#include <util/getuniquepath.h>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(fs_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(fsbridge_pathtostring)
{
std::string u8_str = "fs_tests_₿_🏃";
BOOST_CHECK_EQUAL(fs::PathToString(fs::PathFromString(u8_str)), u8_str);
BOOST_CHECK_EQUAL(fs::u8path(u8_str).u8string(), u8_str);
BOOST_CHECK_EQUAL(fs::PathFromString(u8_str).u8string(), u8_str);
BOOST_CHECK_EQUAL(fs::PathToString(fs::u8path(u8_str)), u8_str);
#ifndef WIN32
// On non-windows systems, verify that arbitrary byte strings containing
// invalid UTF-8 can be round tripped successfully with PathToString and
// PathFromString. On non-windows systems, paths are just byte strings so
// these functions do not do any encoding. On windows, paths are Unicode,
// and these functions do encoding and decoding, so the behavior of this
// test would be undefined.
std::string invalid_u8_str = "\xf0";
BOOST_CHECK_EQUAL(invalid_u8_str.size(), 1);
BOOST_CHECK_EQUAL(fs::PathToString(fs::PathFromString(invalid_u8_str)), invalid_u8_str);
#endif
}
BOOST_AUTO_TEST_CASE(fsbridge_stem)
{
std::string test_filename = "fs_tests_₿_🏃.dat";
std::string expected_stem = "fs_tests_₿_🏃";
BOOST_CHECK_EQUAL(fs::PathToString(fs::PathFromString(test_filename).stem()), expected_stem);
}
BOOST_AUTO_TEST_CASE(fsbridge_fstream)
{
fs::path tmpfolder = m_args.GetDataDirBase();
// tmpfile1 should be the same as tmpfile2
fs::path tmpfile1 = tmpfolder / "fs_tests_₿_🏃";
fs::path tmpfile2 = tmpfolder / "fs_tests_₿_🏃";
{
fsbridge::ofstream file(tmpfile1);
file << "bitcoin";
}
{
fsbridge::ifstream file(tmpfile2);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "bitcoin");
}
{
fsbridge::ifstream file(tmpfile1, std::ios_base::in | std::ios_base::ate);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "");
}
{
fsbridge::ofstream file(tmpfile2, std::ios_base::out | std::ios_base::app);
file << "tests";
}
{
fsbridge::ifstream file(tmpfile1);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "bitcointests");
}
{
fsbridge::ofstream file(tmpfile2, std::ios_base::out | std::ios_base::trunc);
file << "bitcoin";
}
{
fsbridge::ifstream file(tmpfile1);
std::string input_buffer;
file >> input_buffer;
BOOST_CHECK_EQUAL(input_buffer, "bitcoin");
}
{
// Join an absolute path and a relative path.
fs::path p = fsbridge::AbsPathJoin(tmpfolder, "fs_tests_₿_🏃");
BOOST_CHECK(p.is_absolute());
BOOST_CHECK_EQUAL(tmpfile1, p);
}
{
// Join two absolute paths.
fs::path p = fsbridge::AbsPathJoin(tmpfile1, tmpfile2);
BOOST_CHECK(p.is_absolute());
BOOST_CHECK_EQUAL(tmpfile2, p);
}
{
// Ensure joining with empty paths does not add trailing path components.
BOOST_CHECK_EQUAL(tmpfile1, fsbridge::AbsPathJoin(tmpfile1, ""));
BOOST_CHECK_EQUAL(tmpfile1, fsbridge::AbsPathJoin(tmpfile1, {}));
}
{
fs::path p1 = GetUniquePath(tmpfolder);
fs::path p2 = GetUniquePath(tmpfolder);
fs::path p3 = GetUniquePath(tmpfolder);
// Ensure that the parent path is always the same.
BOOST_CHECK_EQUAL(tmpfolder, p1.parent_path());
BOOST_CHECK_EQUAL(tmpfolder, p2.parent_path());
BOOST_CHECK_EQUAL(tmpfolder, p3.parent_path());
// Ensure that generated paths are actually different.
BOOST_CHECK(p1 != p2);
BOOST_CHECK(p2 != p3);
BOOST_CHECK(p1 != p3);
}
}
BOOST_AUTO_TEST_SUITE_END()
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