forked from premiere/premiere-libtorrent
520 lines
15 KiB
C++
520 lines
15 KiB
C++
/*
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Copyright (c) 2012, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "libtorrent/file.hpp"
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#include "libtorrent/string_util.hpp" // for split_string
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#include "libtorrent/string_view.hpp"
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#include "test.hpp"
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#include <vector>
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#include <set>
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#include <thread>
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namespace lt = libtorrent;
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using namespace libtorrent;
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int touch_file(std::string const& filename, int size)
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{
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using namespace libtorrent;
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std::vector<char> v;
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v.resize(size);
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for (int i = 0; i < size; ++i)
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v[i] = i & 255;
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file f;
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error_code ec;
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if (!f.open(filename, file::write_only, ec)) return -1;
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if (ec) return -1;
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iovec_t b = {&v[0], v.size()};
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std::int64_t written = f.writev(0, b, ec);
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if (written != int(v.size())) return -3;
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if (ec) return -3;
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return 0;
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}
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TORRENT_TEST(create_directory)
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{
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error_code ec;
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create_directory("__foobar__", ec);
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if (ec) std::printf("ERROR: create_directory: (%d) %s\n"
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, ec.value(), ec.message().c_str());
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TEST_CHECK(!ec);
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file_status st;
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stat_file("__foobar__", &st, ec);
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if (ec) std::printf("ERROR: stat_file: (%d) %s\n"
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, ec.value(), ec.message().c_str());
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TEST_CHECK(!ec);
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TEST_CHECK(st.mode & file_status::directory);
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remove("__foobar__", ec);
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if (ec) std::printf("ERROR: remove: (%d) %s\n"
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, ec.value(), ec.message().c_str());
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TEST_CHECK(!ec);
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}
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TORRENT_TEST(file_status)
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{
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error_code ec;
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// test that the modification timestamps
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touch_file("__test_timestamp__", 10);
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file_status st1;
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stat_file("__test_timestamp__", &st1, ec);
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TEST_CHECK(!ec);
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// sleep for 3 seconds and then make sure the difference in timestamp is
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// between 2-4 seconds after touching it again
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std::this_thread::sleep_for(lt::milliseconds(3000));
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touch_file("__test_timestamp__", 10);
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file_status st2;
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stat_file("__test_timestamp__", &st2, ec);
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TEST_CHECK(!ec);
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int diff = int(st2.mtime - st1.mtime);
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std::printf("timestamp difference: %d seconds. expected approx. 3 seconds\n"
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, diff);
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TEST_CHECK(diff >= 2 && diff <= 4);
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}
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TORRENT_TEST(directory)
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{
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error_code ec;
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create_directory("file_test_dir", ec);
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if (ec) std::printf("create_directory: %s\n", ec.message().c_str());
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TEST_CHECK(!ec);
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std::string cwd = current_working_directory();
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touch_file(combine_path("file_test_dir", "abc"), 10);
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touch_file(combine_path("file_test_dir", "def"), 100);
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touch_file(combine_path("file_test_dir", "ghi"), 1000);
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std::set<std::string> files;
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for (directory i("file_test_dir", ec); !i.done(); i.next(ec))
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{
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std::string f = i.file();
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TEST_CHECK(files.count(f) == 0);
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files.insert(f);
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std::printf(" %s\n", f.c_str());
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}
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TEST_CHECK(files.count("abc") == 1);
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TEST_CHECK(files.count("def") == 1);
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TEST_CHECK(files.count("ghi") == 1);
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TEST_CHECK(files.count("..") == 1);
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TEST_CHECK(files.count(".") == 1);
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files.clear();
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recursive_copy("file_test_dir", "file_test_dir2", ec);
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for (directory i("file_test_dir2", ec); !i.done(); i.next(ec))
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{
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std::string f = i.file();
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TEST_CHECK(files.count(f) == 0);
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files.insert(f);
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std::printf(" %s\n", f.c_str());
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}
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remove_all("file_test_dir", ec);
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if (ec) std::printf("remove_all: %s\n", ec.message().c_str());
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remove_all("file_test_dir2", ec);
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if (ec) std::printf("remove_all: %s\n", ec.message().c_str());
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}
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// test path functions
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TORRENT_TEST(paths)
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{
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TEST_EQUAL(combine_path("test1/", "test2"), "test1/test2");
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TEST_EQUAL(combine_path("test1", "."), "test1");
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TEST_EQUAL(combine_path(".", "test1"), "test1");
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#ifdef TORRENT_WINDOWS
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TEST_EQUAL(combine_path("test1\\", "test2"), "test1\\test2");
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TEST_EQUAL(combine_path("test1", "test2"), "test1\\test2");
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#else
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TEST_EQUAL(combine_path("test1", "test2"), "test1/test2");
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#endif
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TEST_EQUAL(extension("blah"), "");
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TEST_EQUAL(extension("blah.exe"), ".exe");
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TEST_EQUAL(extension("blah.foo.bar"), ".bar");
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TEST_EQUAL(extension("blah.foo."), ".");
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TEST_EQUAL(extension("blah.foo/bar"), "");
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TEST_EQUAL(remove_extension("blah"), "blah");
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TEST_EQUAL(remove_extension("blah.exe"), "blah");
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TEST_EQUAL(remove_extension("blah.foo.bar"), "blah.foo");
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TEST_EQUAL(remove_extension("blah.foo."), "blah.foo");
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TEST_EQUAL(filename("blah"), "blah");
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TEST_EQUAL(filename("/blah/foo/bar"), "bar");
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TEST_EQUAL(filename("/blah/foo/bar/"), "bar");
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TEST_EQUAL(filename("blah/"), "blah");
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#ifdef TORRENT_WINDOWS
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TEST_EQUAL(is_root_path("c:\\blah"), false);
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TEST_EQUAL(is_root_path("c:\\"), true);
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TEST_EQUAL(is_root_path("\\\\"), true);
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TEST_EQUAL(is_root_path("\\\\foobar"), true);
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TEST_EQUAL(is_root_path("\\\\foobar\\"), true);
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TEST_EQUAL(is_root_path("\\\\foobar/"), true);
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TEST_EQUAL(is_root_path("\\\\foo/bar"), false);
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TEST_EQUAL(is_root_path("\\\\foo\\bar\\"), false);
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#else
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TEST_EQUAL(is_root_path("/blah"), false);
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TEST_EQUAL(is_root_path("/"), true);
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#endif
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// if has_parent_path() returns false
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// parent_path() should return the empty string
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TEST_EQUAL(parent_path("blah"), "");
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TEST_EQUAL(has_parent_path("blah"), false);
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TEST_EQUAL(parent_path("/blah/foo/bar"), "/blah/foo/");
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TEST_EQUAL(has_parent_path("/blah/foo/bar"), true);
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TEST_EQUAL(parent_path("/blah/foo/bar/"), "/blah/foo/");
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TEST_EQUAL(has_parent_path("/blah/foo/bar/"), true);
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TEST_EQUAL(parent_path("/a"), "/");
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TEST_EQUAL(has_parent_path("/a"), true);
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TEST_EQUAL(parent_path("/"), "");
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TEST_EQUAL(has_parent_path("/"), false);
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TEST_EQUAL(parent_path(""), "");
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TEST_EQUAL(has_parent_path(""), false);
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#ifdef TORRENT_WINDOWS
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TEST_EQUAL(parent_path("\\\\"), "");
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TEST_EQUAL(has_parent_path("\\\\"), false);
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TEST_EQUAL(parent_path("c:\\"), "");
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TEST_EQUAL(has_parent_path("c:\\"), false);
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TEST_EQUAL(parent_path("c:\\a"), "c:\\");
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TEST_EQUAL(has_parent_path("c:\\a"), true);
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TEST_EQUAL(has_parent_path("\\\\a"), false);
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TEST_EQUAL(has_parent_path("\\\\foobar/"), false);
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TEST_EQUAL(has_parent_path("\\\\foobar\\"), false);
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TEST_EQUAL(has_parent_path("\\\\foo/bar\\"), true);
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#endif
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#ifdef TORRENT_WINDOWS
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TEST_EQUAL(is_complete("c:\\"), true);
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TEST_EQUAL(is_complete("c:\\foo\\bar"), true);
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TEST_EQUAL(is_complete("\\\\foo\\bar"), true);
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TEST_EQUAL(is_complete("foo/bar"), false);
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TEST_EQUAL(is_complete("\\\\"), true);
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#else
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TEST_EQUAL(is_complete("/foo/bar"), true);
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TEST_EQUAL(is_complete("foo/bar"), false);
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TEST_EQUAL(is_complete("/"), true);
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TEST_EQUAL(is_complete(""), false);
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#endif
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TEST_EQUAL(complete("."), current_working_directory());
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}
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// test split_string
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TORRENT_TEST(split_string)
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{
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char const* tags[10];
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char tags_str[] = " this is\ta test\t string\x01to be split and it cannot "
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"extend over the limit of elements \t";
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int ret = split_string(tags, 10, tags_str);
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TEST_CHECK(ret == 10);
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TEST_CHECK(tags[0] == "this"_sv);
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TEST_CHECK(tags[1] == "is"_sv);
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TEST_CHECK(tags[2] == "a"_sv);
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TEST_CHECK(tags[3] == "test"_sv);
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TEST_CHECK(tags[4] == "string"_sv);
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TEST_CHECK(tags[5] == "to"_sv);
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TEST_CHECK(tags[6] == "be"_sv);
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TEST_CHECK(tags[7] == "split"_sv);
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TEST_CHECK(tags[8] == "and"_sv);
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TEST_CHECK(tags[9] == "it"_sv);
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// replace_extension
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std::string test = "foo.bar";
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replace_extension(test, "txt");
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TEST_EQUAL(test, "foo.txt");
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test = "_";
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replace_extension(test, "txt");
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TEST_EQUAL(test, "_.txt");
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test = "1.2.3/_";
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replace_extension(test, "txt");
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TEST_EQUAL(test, "1.2.3/_.txt");
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}
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// file class
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TORRENT_TEST(file)
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{
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error_code ec;
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file f;
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#if TORRENT_USE_UNC_PATHS || !defined _WIN32
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TEST_CHECK(f.open("con", file::read_write, ec));
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#else
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TEST_CHECK(f.open("test_file", file::read_write, ec));
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#endif
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if (ec)
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std::printf("open failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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if (ec) std::printf("%s\n", ec.message().c_str());
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iovec_t b = {(void*)"test", 4};
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TEST_EQUAL(f.writev(0, b, ec), 4);
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if (ec)
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std::printf("writev failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_CHECK(!ec);
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char test_buf[5] = {0};
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b.iov_base = test_buf;
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b.iov_len = 4;
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TEST_EQUAL(f.readv(0, b, ec), 4);
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if (ec)
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std::printf("readv failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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TEST_CHECK(test_buf == "test"_sv);
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f.close();
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}
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TORRENT_TEST(hard_link)
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{
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// try to create a hard link to see what happens
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// first create a regular file to then add another link to.
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// create a file, write some stuff to it, create a hard link to that file,
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// read that file and assert we get the same stuff we wrote to the first file
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error_code ec;
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file f;
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TEST_CHECK(f.open("original_file", file::read_write, ec));
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if (ec)
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std::printf("open failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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iovec_t b = {(void*)"abcdefghijklmnopqrstuvwxyz", 26};
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TEST_EQUAL(f.writev(0, b, ec), 26);
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if (ec)
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std::printf("writev failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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f.close();
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hard_link("original_file", "second_link", ec);
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if (ec)
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std::printf("hard_link failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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TEST_CHECK(f.open("second_link", file::read_write, ec));
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if (ec)
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std::printf("open failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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char test_buf[27] = {0};
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b.iov_base = test_buf;
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b.iov_len = 27;
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TEST_EQUAL(f.readv(0, b, ec), 26);
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if (ec)
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std::printf("readv failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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TEST_CHECK(test_buf == "abcdefghijklmnopqrstuvwxyz"_sv);
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f.close();
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remove("original_file", ec);
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if (ec)
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std::printf("remove failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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remove("second_link", ec);
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if (ec)
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std::printf("remove failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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}
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TORRENT_TEST(coalesce_buffer)
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{
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error_code ec;
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file f;
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TEST_CHECK(f.open("test_file", file::read_write, ec));
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if (ec)
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std::printf("open failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_EQUAL(ec, error_code());
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if (ec) std::printf("%s\n", ec.message().c_str());
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iovec_t b[2] = {{(void*)"test", 4}, {(void*)"foobar", 6}};
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TEST_EQUAL(f.writev(0, {b, 2}, ec, file::coalesce_buffers), 4 + 6);
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if (ec)
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std::printf("writev failed: [%s] %s\n", ec.category().name(), ec.message().c_str());
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TEST_CHECK(!ec);
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char test_buf1[5] = {0};
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char test_buf2[7] = {0};
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b[0].iov_base = test_buf1;
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b[0].iov_len = 4;
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b[1].iov_base = test_buf2;
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b[1].iov_len = 6;
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TEST_EQUAL(f.readv(0, {b, 2}, ec), 4 + 6);
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if (ec)
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{
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std::printf("readv failed: [%s] %s\n"
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, ec.category().name(), ec.message().c_str());
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}
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TEST_EQUAL(ec, error_code());
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TEST_CHECK(test_buf1 == "test"_sv);
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TEST_CHECK(test_buf2 == "foobar"_sv);
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f.close();
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}
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TORRENT_TEST(stat_file)
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{
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file_status st;
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error_code ec;
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stat_file("no_such_file_or_directory.file", &st, ec);
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TEST_CHECK(ec);
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TEST_EQUAL(ec, boost::system::errc::no_such_file_or_directory);
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}
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// specificaly UNC tests
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#if TORRENT_USE_UNC_PATHS
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std::tuple<int, bool> fill_current_directory_caps()
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{
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#ifdef TORRENT_WINDOWS
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error_code ec;
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DWORD dw_maximum_component_length;
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DWORD dw_file_system_flags;
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if (!GetVolumeInformationA(nullptr, nullptr, 0, nullptr, &dw_maximum_component_length, &dw_file_system_flags, nullptr, 0))
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{
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ec.assign(GetLastError(), system_category());
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std::printf("GetVolumeInformation: [%s] %s\n"
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, ec.category().name(), ec.message().c_str());
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return std::make_tuple(0, false);
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}
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int maximum_component_length = int(dw_maximum_component_length);
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bool support_hard_links = ((dw_file_system_flags & FILE_SUPPORTS_HARD_LINKS) != 0);
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return std::make_tuple(maximum_component_length, support_hard_links);
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#else
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return std::make_tuple(TORRENT_MAX_PATH, true);
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#endif
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}
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TORRENT_TEST(unc_tests)
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{
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TEST_EQUAL(canonicalize_path("c:\\a\\..\\b"), "c:\\b");
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TEST_EQUAL(canonicalize_path("a\\..\\b"), "b");
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TEST_EQUAL(canonicalize_path("a\\..\\.\\b"), "b");
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TEST_EQUAL(canonicalize_path("\\.\\a"), "\\a");
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TEST_EQUAL(canonicalize_path("\\\\bla\\.\\a"), "\\\\bla\\a");
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TEST_EQUAL(canonicalize_path("c:\\bla\\a"), "c:\\bla\\a");
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error_code ec;
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std::vector<std::string> special_names
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{
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"CON", "PRN", "AUX", "NUL",
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"COM1", "COM2", "COM3", "COM4",
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"COM5", "COM6", "COM7", "COM8",
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"COM9", "LPT1", "LPT2", "LPT3",
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"LPT4", "LPT5", "LPT6", "LPT7",
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"LPT8", "LPT9"
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};
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for (std::string special_name : special_names)
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{
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TEST_EQUAL(touch_file(special_name, 10), 0);
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TEST_CHECK(lt::exists(special_name));
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lt::remove(special_name, ec);
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TEST_EQUAL(ec, error_code());
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TEST_CHECK(!lt::exists(special_name));
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}
|
|
|
|
int maximum_component_length;
|
|
bool support_hard_links;
|
|
std::tie(maximum_component_length, support_hard_links) = fill_current_directory_caps();
|
|
|
|
if (maximum_component_length > 0)
|
|
{
|
|
std::string long_component_name;
|
|
long_component_name.resize(maximum_component_length);
|
|
for (int i = 0; i < maximum_component_length; ++i)
|
|
long_component_name[i] = static_cast<char>((i % 26) + 'A');
|
|
|
|
std::string long_file_name1 = combine_path(long_component_name, long_component_name);
|
|
long_file_name1.back() = '1';
|
|
std::string long_file_name2 { long_file_name1 };
|
|
long_file_name2.back() = '2';
|
|
|
|
error_code ec;
|
|
|
|
lt::create_directory(long_component_name, ec);
|
|
TEST_EQUAL(ec, error_code());
|
|
TEST_CHECK(lt::exists(long_component_name));
|
|
TEST_CHECK(lt::is_directory(long_component_name, ec));
|
|
|
|
TEST_EQUAL(touch_file(long_file_name1, 10), 0);
|
|
TEST_CHECK(lt::exists(long_file_name1));
|
|
|
|
lt::rename(long_file_name1, long_file_name2, ec);
|
|
TEST_EQUAL(ec, error_code());
|
|
TEST_CHECK(!lt::exists(long_file_name1));
|
|
TEST_CHECK(lt::exists(long_file_name2));
|
|
|
|
lt::copy_file(long_file_name2, long_file_name1, ec);
|
|
TEST_EQUAL(ec, error_code());
|
|
TEST_CHECK(lt::exists(long_file_name1));
|
|
|
|
std::set<std::string> files;
|
|
|
|
for (lt::directory i(long_component_name, ec); !i.done(); i.next(ec))
|
|
{
|
|
std::string f = i.file();
|
|
files.insert(f);
|
|
}
|
|
|
|
TEST_EQUAL(files.size(), 4);
|
|
|
|
lt::remove(long_file_name1, ec);
|
|
TEST_EQUAL(ec, error_code());
|
|
TEST_CHECK(!lt::exists(long_file_name1));
|
|
|
|
if (support_hard_links)
|
|
{
|
|
lt::hard_link(long_file_name2, long_file_name1, ec);
|
|
TEST_EQUAL(ec, error_code());
|
|
TEST_CHECK(lt::exists(long_file_name1));
|
|
|
|
lt::remove(long_file_name1, ec);
|
|
TEST_EQUAL(ec, error_code());
|
|
TEST_CHECK(!lt::exists(long_file_name1));
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|