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Diffstat (limited to 'indra/test/llfile_tut.cpp')
| -rwxr-xr-x | indra/test/llfile_tut.cpp | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/indra/test/llfile_tut.cpp b/indra/test/llfile_tut.cpp new file mode 100755 index 0000000000..9cd7fd335f --- /dev/null +++ b/indra/test/llfile_tut.cpp @@ -0,0 +1,254 @@ +/** + * @file llfile_tut.cpp + * @author Frederick Martian + * @date 2025-11 + * @brief LLFile test cases. + * + * $LicenseInfo:firstyear=2025&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include <tut/tut.hpp> +#include "lltut.h" +#include "linden_common.h" +#include "llfile.h" + +namespace tut +{ + static void clear_entire_dir(std::filesystem::path &dir) + { + std::error_code ec; + std::filesystem::remove_all(dir, ec); + } + + static std::filesystem::path append_filename(const std::filesystem::path& dir, const std::string& element) + { + std::filesystem::path path = dir; + return path.append(element); + } + + static std::filesystem::path get_testdir(const std::filesystem::path& tempdir) + { + return append_filename(tempdir, std::string("test_dir")); + } + + struct llfile_test + { + std::filesystem::path tempdir = LLFile::tmpdir(); + std::filesystem::path testdir = get_testdir(tempdir); + }; + typedef test_group<llfile_test> llfile_test_t; + typedef llfile_test_t::object llfile_test_object_t; + tut::llfile_test_t tut_llfile_test("llfile_test"); + + template<> template<> + void llfile_test_object_t::test<1>() + { + // Test creating directories and files and deleting them and checking if the + // relevant status functions work as expected + ensure("LLFile::tmpdir() empty", !tempdir.empty()); + ensure("LLFile::tmpdir() doesn't exist", LLFile::exists(tempdir.string())); + ensure("LLFile::tmpdir() is not a directory", LLFile::isdir(tempdir.string())); + ensure("LLFile::tmpdir() should not be a file", !LLFile::isfile(tempdir.string())); + + // Make sure there is nothing left from a previous test run + clear_entire_dir(testdir); + ensure("llfile_test should not exist anymore", !LLFile::exists(testdir.string())); + + int rc = LLFile::mkdir(testdir.string()); + ensure("LLFile::mkdir() failed", rc == 0); + ensure("llfile_test should be a directory", LLFile::isdir(testdir.string())); + rc = LLFile::mkdir(testdir.string()); + ensure("LLFile::mkdir() should not fail when the directory already exists", rc == 0); + + std::filesystem::path testfile1 = testdir; + testfile1.append("llfile_test.dat"); + ensure("llfile_test1.dat should not yet exist", !LLFile::exists(testfile1.string())); + + const char* testdata = "testdata"; + std::time_t current = time(nullptr); + S64 bytes = LLFile::write(testfile1.string(), testdata, 0, sizeof(testdata)); + ensure("LLFile::write() did not write correctly", bytes == sizeof(testdata)); + + rc = LLFile::remove(testfile1.string()); + ensure("LLFile::remove() for file test_file.dat", rc == 0); + ensure("llfile_test.dat should not exist anymore", !LLFile::exists(testfile1.string())); + ensure("llfile_test.dat should not be a file", !LLFile::isfile(testfile1.string())); + ensure("llfile_test.dat should not be a directory", !LLFile::isdir(testfile1.string())); + ensure("llfile_test.dat should not be a symlink", !LLFile::islink(testfile1.string())); + + rc = LLFile::remove(testdir.string()); + ensure("LLFile::remove() for directory llfile_test failed", rc == 0); + ensure("llfile_test should not exist anymore", !LLFile::exists(testdir.string())); + } + + template<> template<> + void llfile_test_object_t::test<2>() + { + // High level static file IO functions to read and write data files + LLFile::mkdir(testdir.string()); + ensure("llfile_test should exist", LLFile::isdir(testdir.string())); + + std::filesystem::path testfile1 = testdir; + testfile1.append("llfile_test.dat"); + + std::string testdata1("testdata"); + std::string testdata2("datateststuff"); + std::time_t current = time(nullptr); + S64 bytes = LLFile::write(testfile1.string(), testdata1.c_str(), 0, testdata1.length()); + ensure("LLFile::write() did not write correctly", bytes == testdata1.length()); + ensure("llfile_test.dat should exist", LLFile::exists(testfile1.string())); + ensure("llfile_test.dat should be a file", LLFile::isfile(testfile1.string())); + ensure("llfile_test.dat should not be a directory", !LLFile::isdir(testfile1.string())); + + bytes = LLFile::size(testfile1.string()); + ensure("LLFile::size() did not return the correct size", bytes == testdata1.length()); + + std::string data = LLFile::getContents(testfile1.string()); + ensure("LLFile::getContents() did not return the correct size data", data.length() == testdata1.length()); + ensure_memory_matches("LLFile::getContents() did not read correct data", testdata1.c_str(), (U32)testdata1.length(), data.c_str(), (U32)data.length()); + + std::time_t ctime = LLFile::getCreationTime(testfile1.string()); + ensure_approximately_equals_range("LLFile::getCreationTime() did not return correct time", (F32)(ctime - current), 0.f, 1); + + std::time_t mtime = LLFile::getModificationTime(testfile1.string()); + ensure_approximately_equals_range("LLFile::getModificationTime() did not return correct time", (F32)(mtime - current), 0.f, 1); + + char buffer[1024]; + bytes = LLFile::read(testfile1.string(), buffer, 0, testdata1.length()); + ensure("LLFile:read() did not return the correct size", bytes == testdata1.length()); + ensure_memory_matches("LLFile::read() did not read correct data", testdata1.c_str(), (U32)bytes, buffer, (U32)bytes); + + // What if we try to read more data than there is in the file? + bytes = LLFile::read(testfile1.string(), buffer, 0, bytes + 10); + ensure("LLFile:read() did not correctly stop on eof", bytes == testdata1.length()); + ensure_memory_matches("LLFile::read() did not read correct data", testdata1.c_str(), (U32)bytes, buffer, (U32)bytes); + + // Let's append more data + bytes = LLFile::write(testfile1.string(), testdata2.c_str(), -1, testdata2.length()); + ensure("LLFile::write() did not write correctly", bytes == testdata2.length()); + + bytes = LLFile::size(testfile1.string()); + ensure("LLFile::size() did not return the correct size", bytes == testdata1.length() + testdata2.length()); + bytes = LLFile::read(testfile1.string(), buffer, 0, bytes); + ensure("LLFile:read() did not read correct number of bytes", bytes == testdata1.length() + testdata2.length()); + ensure_memory_matches("LLFile:read() did not read correct testdata1", testdata1.c_str(), (U32)testdata1.length(), buffer, (U32)testdata1.length()); + ensure_memory_matches("LLFile:read() did not read correct testdata2", testdata2.c_str(), (U32)testdata2.length(), buffer + testdata1.length(), (U32)testdata2.length()); + } + + template<> template<> + void llfile_test_object_t::test<3>() + { + const size_t numints = 1024; + + // Testing the LLFile class implementation + std::filesystem::path testfile = testdir; + testfile.append("llfile_test.bin"); + + int data[numints]; + for (int &t : data) + { + t = rand(); + } + + std::error_code ec; + LLFile fileout(testfile.string(), LLFile::out, ec); + ensure("LLFile constructor did not open correctly", (bool)fileout); + ensure("error_code from LLFile constructor should not indicate an error", !ec); + if (fileout) + { + S64 length = fileout.size(ec); + ensure("freshly created file should be empty", length == 0); + ensure("error_code from LLFile::size() should not indicate an error", !ec); + S64 bytes = fileout.write(data, sizeof(data), ec); + ensure("LLFile::write() did not write correctly", bytes == sizeof(data)); + ensure("error_code from LLFile::write() should not indicate an error", !ec); + bytes = fileout.write(data, sizeof(data), ec); + ensure("LLFile::write() did not write correctly", bytes == sizeof(data)); + ensure("error_code from LLFile::write() should not indicate an error", !ec); + bytes = fileout.size(ec); + ensure("LLFile::size() returned wrong size", bytes == 2 * sizeof(data)); + ensure("error_code from LLFile::size() should not indicate an error", !ec); + fileout.close(); + } + + LLFile filein(testfile.string(), LLFile::in, ec); + ensure("LLFile constructor did not open correctly", (bool)filein); + ensure("error_code from LLFile constructor should not indicate an error", !ec); + if (filein) + { + S64 length = filein.size(ec); + ensure("LLFile::size() returned wrong size", length == 2 * sizeof(data)); + ensure("error_code from LLFile::size() should not indicate an error", !ec); + char* buffer = (char*)malloc(length); + S64 bytes = filein.read(buffer, length, ec); + ensure("LLFile::read() did not read correctly", bytes == length); + ensure("error_code from LLFile::read() should not indicate an error", !ec); + ensure_memory_matches("LLFile:read() did not read correct data1", data, (U32)sizeof(data), buffer, (U32)sizeof(data)); + ensure_memory_matches("LLFile:read() did not read correct data2", data, (U32)sizeof(data), buffer + sizeof(data), (U32)sizeof(data)); + S64 offset = filein.tell(ec); + ensure("LLFile::tell() returned a bad offset", offset == length); + ensure("error_code from LLFile::read() should not indicate an error", !ec); + offset = sizeof(data) / 2; + int rc = filein.seek(offset, ec); + ensure("LLFile::seek() indicated an error", rc == 0); + ensure("error_code from LLFile::seek() should not indicate an error", !ec); + bytes = filein.read(buffer, 2 * sizeof(data), ec); + ensure("LLFile::read() did not read correctly", bytes == sizeof(data) + offset); + ensure("error_code from LLFile::read() should not indicate an error", !ec); + ensure_memory_matches("LLFile:read() did not read correct data3", (char*)data + offset, (U32)offset, buffer, (U32)offset); + ensure_memory_matches("LLFile:read() did not read correct data4", (char*)data, (U32)sizeof(data), buffer + offset, (U32)sizeof(data)); + filein.close(); + + free(buffer); + } + } + + template<> template<> + void llfile_test_object_t::test<4>() + { + // Testing the LLFile class implementation with wrong paths and parameters + std::filesystem::path testfile = testdir; + testfile.append("llfile_test.bin"); + + std::error_code ec; + LLFile file(testfile.string(), LLFile::out | LLFile::noreplace, ec); + ensure("LLFile constructor should not have opened the already existing file", !file); + ensure("error_code from LLFile constructor should indicate an error", (bool)ec); + + LLFile::remove(testfile.string()); + file = LLFile(testfile.string(), LLFile::out | LLFile::app | LLFile::trunc, ec); + ensure("LLFile constructor should not have opened the file with conflicting flags", !file); + ensure("error_code from LLFile constructor should indicate an error", (bool)ec); + + file = LLFile(testfile.string(), LLFile::out | LLFile::app | LLFile::noreplace, ec); + ensure("LLFile constructor should not have opened the file with conflicting flags", !file); + ensure("error_code from LLFile constructor should indicate an error", (bool)ec); + + testfile = testdir; + testfile.append("llfile_test"); + testfile.append("llfile_test.bin"); + + file = LLFile(testfile.string(), LLFile::in, ec); + ensure("LLFile constructor should not have been able to open the file in the non-existing directory", !file); + ensure("error_code from LLFile constructor should indicate an error", (bool)ec); + } +} // namespace tut |