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diff --git a/indra/test/llfile_tut.cpp b/indra/test/llfile_tut.cpp
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--- a/indra/test/llfile_tut.cpp
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-/**
- * @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) 2025, 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";
-        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