Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 4980 insertions, 0 deletions

diff --git a/sal/qa/osl/file/osl_File.cxx b/sal/qa/osl/file/osl_File.cxx
new file mode 100644
index 000000000..718fb6542
--- /dev/null
+++ b/sal/qa/osl/file/osl_File.cxx
@@ -0,0 +1,4980 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/types.h>
+#include <rtl/byteseq.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <osl/thread.h>
+#include <osl/file.hxx>
+#include "osl_File_Const.h"
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <tools/urlobj.hxx>
+
+#include <memory>
+
+#ifdef _WIN32
+#include <prewin.h>
+#include <postwin.h>
+#include <o3tl/char16_t2wchar_t.hxx>
+#endif
+
+using namespace osl;
+
+/** detailed wrong message.
+*/
+static OString errorToString(const osl::FileBase::RC _nError)
+{
+    OString sResult;
+    switch (_nError) {
+        case osl::FileBase::E_None:
+            sResult = "Success";
+            break;
+        case osl::FileBase::E_PERM:
+            sResult = "Operation not permitted";
+            break;
+        case osl::FileBase::E_NOENT:
+            sResult = "No such file or directory";
+            break;
+        case osl::FileBase::E_EXIST:
+            sResult = "Already Exist";
+            break;
+        case osl::FileBase::E_ACCES:
+            sResult = "Permission denied";
+            break;
+        case osl::FileBase::E_INVAL:
+            sResult = "The format of the parameters was not valid";
+            break;
+        case osl::FileBase::E_NOTDIR:
+            sResult = "Not a directory";
+            break;
+        case osl::FileBase::E_ISDIR:
+            sResult = "Is a directory";
+            break;
+        case osl::FileBase::E_BADF:
+            sResult = "Bad file";
+            break;
+        case osl::FileBase::E_NOTEMPTY:
+            sResult = "The directory is not empty";
+            break;
+        default:
+            sResult = "Unknown Error";
+            break;
+    }
+    return sResult;
+}
+
+static OString errorToStr(osl::FileBase::RC const& nError)
+{
+    OString suBuf = "The returned error is: " +
+        errorToString(nError) +
+        "!\n";
+    return suBuf;
+}
+
+/** compare two TimeValue, unit is "ms", since Windows time precision is better than UNX.
+*/
+/* FIXME: the above assertion is bogus */
+
+#if (defined UNX)                      // precision of time in Windows is better than UNX
+#   define delta 2000                    // time precision, 2000ms
+#else
+#   define delta 1800                    // time precision, 1.8s
+#endif
+
+static bool t_compareTime(TimeValue *m_aEndTime,  TimeValue *m_aStartTime, sal_Int32 nDelta)
+{
+    sal_Int32 nDeltaSeconds = m_aEndTime->Seconds - m_aStartTime->Seconds;
+    sal_Int32 nDeltaNanoSec = sal_Int32(m_aEndTime->Nanosec) - sal_Int32(m_aStartTime->Nanosec);
+    if (nDeltaNanoSec < 0)
+    {
+        nDeltaNanoSec = 1000000000 + nDeltaNanoSec;
+        nDeltaSeconds--;
+    }
+
+    sal_Int32 nDeltaMilliSec = (nDeltaSeconds * 1000) + (nDeltaNanoSec / 1000000);
+    return (nDeltaMilliSec < nDelta);
+}
+
+/** compare two OUString file name.
+*/
+static bool compareFileName(const OUString & ustr1, const OUString & ustr2)
+{
+    bool bOk;
+// on Windows, the separator is '\', so here change to '/', then compare
+#if defined(_WIN32)
+    OUString ustr1new,ustr2new;
+    sal_Unicode reverseSlash = '\\';
+
+    if (ustr1.lastIndexOf(reverseSlash) != -1)
+        ustr1new = ustr1.replace(reverseSlash,'/');
+    else
+        ustr1new = ustr1;
+    if (ustr2.lastIndexOf(reverseSlash) != -1)
+        ustr2new = ustr2.replace(reverseSlash,'/');
+    else
+        ustr2new = ustr2;
+    bOk = ustr1new.equalsIgnoreAsciiCase(ustr2new);
+#else
+    bOk = ustr1.equalsIgnoreAsciiCase(ustr2);
+#endif
+    return bOk;
+}
+
+/** simple version to judge if a file name or directory name is a URL or a system path, just to see if it
+    is start with "file:///";.
+*/
+static bool isURL(const OUString& pathname)
+{
+    return pathname.startsWith(aPreURL);
+}
+
+/** concat two part to form a URL or system path, add PATH_SEPARATOR between them if necessary, add "file:///" to beginning if necessary.
+*/
+static void concatURL(OUString & pathname1, const OUString & pathname2)
+{
+    // check if pathname1 is full qualified URL;
+    if (!isURL(pathname1))
+    {
+        OUString     aPathName   = pathname1.copy(0);
+        osl::FileBase::getFileURLFromSystemPath(pathname1, aPathName); // convert if not full qualified URL
+        pathname1   = aPathName.copy(0);
+    }
+
+    // check if '/' is in the end of pathname1 or at the begin of pathname2;
+    if (!pathname1.endsWith(aSlashURL) && !pathname2.startsWith(aSlashURL))
+        pathname1 += aSlashURL;
+    pathname1 += pathname2;
+}
+
+/** create a temp test file using OUString name of full qualified URL or system path.
+*/
+static void createTestFile(const OUString& filename)
+{
+    OUString     aPathURL   = filename.copy(0);
+    osl::FileBase::RC nError;
+
+    if (!isURL(filename))
+        osl::FileBase::getFileURLFromSystemPath(filename, aPathURL); // convert if not full qualified URL
+
+    File aFile(aPathURL);
+    nError = aFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write | osl_File_OpenFlag_Create);
+    if ((nError != osl::FileBase::E_None) && (nError != osl::FileBase::E_EXIST))
+        printf("createTestFile failed!\n");
+
+    aFile.close();
+
+}
+
+/** create a temp test file using OUString name of full qualified URL or system path in a base directory.
+*/
+static void createTestFile(const OUString& basename, const OUString& filename)
+{
+    OUString aBaseURL = basename.copy(0);
+
+    concatURL(aBaseURL, filename);
+    createTestFile(aBaseURL);
+}
+
+/** delete a temp test file using OUString name.
+*/
+static void deleteTestFile(const OUString& filename)
+{
+    OUString     aPathURL   = filename.copy(0);
+    osl::FileBase::RC nError;
+
+    if (!isURL(filename))
+        osl::FileBase::getFileURLFromSystemPath(filename, aPathURL); // convert if not full qualified URL
+
+    nError = File::setAttributes(aPathURL, osl_File_Attribute_GrpWrite| osl_File_Attribute_OwnWrite| osl_File_Attribute_OthWrite); // if readonly, make writable.
+    CPPUNIT_ASSERT_MESSAGE("In deleteTestFile Function: set writable ", (osl::FileBase::E_None == nError) || (osl::FileBase::E_NOENT == nError));
+
+    nError = File::remove(aPathURL);
+    CPPUNIT_ASSERT_MESSAGE("In deleteTestFile Function: remove ", (osl::FileBase::E_None == nError) || (nError == osl::FileBase::E_NOENT));
+}
+
+/** delete a temp test file using OUString name of full qualified URL or system path in a base directory.
+*/
+static void deleteTestFile(const OUString& basename, const OUString& filename)
+{
+    OUString aBaseURL   = basename.copy(0);
+
+    concatURL(aBaseURL, filename);
+    deleteTestFile(aBaseURL);
+}
+
+/** create a temp test directory using OUString name of full qualified URL or system path.
+*/
+static void createTestDirectory(const OUString& dirname)
+{
+    OUString aPathURL   = dirname.copy(0);
+    osl::FileBase::RC nError;
+
+    if (!isURL(dirname))
+        osl::FileBase::getFileURLFromSystemPath(dirname, aPathURL); // convert if not full qualified URL
+    nError = Directory::create(aPathURL);
+    if ((nError != osl::FileBase::E_None) && (nError != osl::FileBase::E_EXIST))
+        printf("createTestDirectory failed: %d!\n", int(nError));
+}
+
+/** create a temp test directory using OUString name of full qualified URL or system path in a base directory.
+*/
+static void createTestDirectory(const OUString& basename, const OUString& dirname)
+{
+    OUString aBaseURL   = basename.copy(0);
+
+    concatURL(aBaseURL, dirname);
+    createTestDirectory(aBaseURL);
+}
+
+/** delete a temp test directory using OUString name of full qualified URL or system path.
+*/
+static void deleteTestDirectory(const OUString& dirname)
+{
+    OUString aPathURL = dirname.copy(0);
+    if (!isURL(dirname))
+        osl::FileBase::getFileURLFromSystemPath(dirname, aPathURL); // convert if not full qualified URL
+
+    Directory testDir(aPathURL);
+    if (testDir.isOpen())
+        testDir.close();  // close if still open.
+
+    osl::FileBase::RC nError = Directory::remove(aPathURL);
+
+    OString strError = "In deleteTestDirectory function: remove Directory " +
+        OUStringToOString(aPathURL, RTL_TEXTENCODING_ASCII_US) + " -> result: " + OString::number(nError);
+    CPPUNIT_ASSERT_MESSAGE(strError.getStr(), (osl::FileBase::E_None == nError) || (nError == osl::FileBase::E_NOENT));
+}
+
+/** delete a temp test directory using OUString name of full qualified URL or system path in a base directory.
+*/
+static void deleteTestDirectory(const OUString& basename, const OUString& dirname)
+{
+    OUString aBaseURL   = basename.copy(0);
+
+    concatURL(aBaseURL, dirname);
+    deleteTestDirectory(aBaseURL);
+}
+
+namespace {
+
+/** Check for the file and directory access right.
+*/
+enum class oslCheckMode {
+    Exist,
+    OpenAccess,
+    ReadAccess,
+    WriteAccess
+};
+
+}
+
+/** check if the file exist
+*/
+static bool ifFileExist(const OUString & str)
+{
+    File testFile(str);
+    return (testFile.open(osl_File_OpenFlag_Read) == osl::FileBase::E_None);
+}
+
+/** check if the file can be written
+*/
+static bool ifFileCanWrite(const OUString & str)
+{
+    // on Windows, the file has no write right, but can be written
+#ifdef _WIN32
+    bool bCheckResult = false;
+    OUString aUStr = str.copy(0);
+    if (isURL(str))
+        osl::FileBase::getSystemPathFromFileURL(str, aUStr);
+
+    OString aString = OUStringToOString(aUStr, RTL_TEXTENCODING_ASCII_US);
+    const char *path = aString.getStr();
+    if ((_access(path, 2)) != -1)
+         bCheckResult = true;
+     // on UNX, just test if open success with osl_File_OpenFlag_Write
+#else
+    File testFile(str);
+    bool bCheckResult = (testFile.open(osl_File_OpenFlag_Write) == osl::FileBase::E_None);
+#endif
+    return bCheckResult;
+}
+
+static bool checkDirectory(const OUString& str, oslCheckMode nCheckMode)
+{
+    OUString aUString;
+    DirectoryItem rItem;
+    osl::FileBase::RC rc;
+    bool bCheckResult= false;
+
+    Directory aDir(str);
+    rc = aDir.open();
+
+    if ((rc != osl::FileBase::E_NOENT) && (rc != osl::FileBase::E_ACCES))
+    {
+        switch (nCheckMode)
+        {
+            case oslCheckMode::Exist:
+                if (rc == ::osl::FileBase::E_None)
+                    bCheckResult = true;
+                break;
+            case oslCheckMode::OpenAccess:
+                if (rc == osl::FileBase::E_None)
+                    bCheckResult = true;
+                break;
+            case oslCheckMode::ReadAccess:
+                rc = aDir.getNextItem(rItem);
+                bCheckResult = (rc == osl::FileBase::E_None) || (rc == osl::FileBase::E_NOENT);
+                break;
+            case oslCheckMode::WriteAccess:
+                ((aUString += str) += aSlashURL) += aTmpName2;
+                if (Directory::create(aUString) == osl::FileBase::E_None)
+                {
+                    bCheckResult = true;
+                    rc = Directory::remove(aUString);
+                    CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, rc);
+                }
+                else
+                {
+                    bCheckResult = false;
+                }
+                break;
+
+            default:
+                bCheckResult = false;
+        }
+
+        rc = aDir.close();
+        CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, rc);
+    }
+
+    return bCheckResult;
+}
+
+/** construct error message
+*/
+static OString outputError(const OString & returnVal, const OString & rightVal, const char * msg = "")
+{
+    if (returnVal == rightVal)
+        return OString();
+
+    OString aString = msg +
+        OString::Concat(": the returned value is '") +
+        returnVal +
+        "', but the value should be '" +
+        rightVal +
+        "'.";
+    return aString;
+}
+
+#if (defined UNX) /* chmod() method is different in Windows */
+/** Change file mode, two version in UNIX and Windows;.
+*/
+static void changeFileMode(OUString & filepath, sal_Int32 mode)
+{
+    OString aString;
+    OUString aUStr = filepath.copy(0);
+
+    if (isURL(filepath))
+        osl::FileBase::getSystemPathFromFileURL(filepath, aUStr);
+
+    aString = OUStringToOString(aUStr, RTL_TEXTENCODING_ASCII_US);
+    int ret = chmod(aString.getStr(), mode);
+    CPPUNIT_ASSERT_EQUAL(0, ret);
+}
+#else
+static void hideFile(const OUString& filepath)
+{
+    OUString aSysPath(filepath);
+
+    if (isURL(filepath))
+        osl::FileBase::getSystemPathFromFileURL(filepath, aSysPath);
+
+    bool ret = SetFileAttributesW(o3tl::toW(aSysPath.getStr()), FILE_ATTRIBUTE_HIDDEN);
+    CPPUNIT_ASSERT(ret);
+}
+#endif
+
+#if 0
+#if defined UNX
+static OUString getCurrentPID();
+#endif
+#endif
+
+// Beginning of the test cases for osl::FileBase class
+
+namespace osl_FileBase
+{
+    // testing the method
+    // static inline RC getAbsoluteFileURL(const OUString& ustrBaseDirectoryURL,
+    //                                      const OUString& ustrRelativeFileURL,
+    //                                      OUString& ustrAbsoluteFileURL)
+
+    class getAbsoluteFileURL : public CppUnit::TestFixture
+    {
+    public:
+        void check_getAbsoluteFileURL(OUString const& _suBaseURL,
+                                      OString const& _sRelativeURL,
+                                      osl::FileBase::RC _nAssumeError,
+                                      OUString const& _suAssumeResultStr);
+
+        void getAbsoluteFileURL_001_1();
+        void getAbsoluteFileURL_001_2();
+        void getAbsoluteFileURL_001_3();
+        void getAbsoluteFileURL_001_4();
+        void getAbsoluteFileURL_001_5();
+        void getAbsoluteFileURL_001_6();
+        void getAbsoluteFileURL_001_7();
+        void getAbsoluteFileURL_001_8();
+        void getAbsoluteFileURL_002();
+        void getAbsoluteFileURL_003();
+        void getAbsoluteFileURL_004();
+
+        CPPUNIT_TEST_SUITE(getAbsoluteFileURL);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_1);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_2);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_3);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_4);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_5);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_6);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_7);
+            CPPUNIT_TEST(getAbsoluteFileURL_001_8);
+            CPPUNIT_TEST(getAbsoluteFileURL_002);
+            CPPUNIT_TEST(getAbsoluteFileURL_003);
+            CPPUNIT_TEST(getAbsoluteFileURL_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    void getAbsoluteFileURL::check_getAbsoluteFileURL(OUString const& _suBaseURL,
+                                                      OString const& _sRelativeURL,
+                                                      osl::FileBase::RC _nAssumeError,
+                                                      OUString const& _suAssumeResultStr)
+    {
+        OUString suRelativeURL = OStringToOUString(_sRelativeURL, RTL_TEXTENCODING_UTF8);
+        OString sBaseURL = OUStringToOString(_suBaseURL, RTL_TEXTENCODING_UTF8);
+        OUString suResultURL;
+        osl::FileBase::RC nError = osl::FileBase::getAbsoluteFileURL(_suBaseURL, suRelativeURL, suResultURL);
+        OString sResultURL = OUStringToOString(suResultURL, RTL_TEXTENCODING_UTF8);
+        OString sError = errorToString(nError);
+        printf("getAbsoluteFileURL('%s','%s') deliver absolute URL: '%s', error '%s'\n",
+                sBaseURL.getStr(), _sRelativeURL.getStr(),sResultURL.getStr(), sError.getStr());
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("Assumption is wrong: error number is wrong", _nAssumeError, nError);
+
+        if (nError == osl::FileBase::E_None)
+        {
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("Assumption is wrong: ResultURL is not equal to expected URL ", _suAssumeResultStr, suResultURL);
+        }
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_1()
+    {
+        OUString suAssume = aUserDirectoryURL + "/relative/file1";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "relative/file1",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_2()
+    {
+        OUString suAssume = aUserDirectoryURL + "/relative/file2";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "relative/./file2",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_3()
+    {
+        OUString suAssume = aUserDirectoryURL + "/file3";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "relative/../file3",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_4()
+    {
+        OUString suAssume = aUserDirectoryURL + "/file4";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "././relative/../file4",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_5()
+    {
+        OUString suAssume;
+        suAssume = aUserDirectoryURL + "/relative/";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "././relative/.",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_6()
+    {
+        OUString suAssume = aUserDirectoryURL + "/.relative";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "./.relative",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_7()
+    {
+        OUString suAssume;
+        suAssume = aUserDirectoryURL + "/.a/";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "./.a/mydir/..",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_001_8()
+    {
+        OUString suAssume = aUserDirectoryURL + "/tmp/ok";
+        check_getAbsoluteFileURL(aUserDirectoryURL, "tmp//ok",osl::FileBase::E_None, suAssume);
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_002()
+    {
+#if 0
+#if (defined UNX) // Link is not defined in Windows
+        OUString aUStr_LnkFileSys(aTempDirectorySys), aUStr_SrcFileSys(aTempDirectorySys);
+        aUStr_LnkFileSys += aSlashURL + getCurrentPID() + "/link.file";
+        aUStr_SrcFileSys += aSlashURL + getCurrentPID() + "/canonical.name";
+
+        OString strLinkFileName, strSrcFileName;
+        strLinkFileName = OUStringToOString(aUStr_LnkFileSys, RTL_TEXTENCODING_ASCII_US);
+        strSrcFileName =  OUStringToOString(aUStr_SrcFileSys, RTL_TEXTENCODING_ASCII_US);
+
+        createTestFile(aCanURL1);
+        sal_Int32 fd = symlink(strSrcFileName.getStr(), strLinkFileName.getStr());
+        CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), fd);
+        OString sLnkURL = OUStringToOString(aLnkURL1, RTL_TEXTENCODING_ASCII_US);
+        OUString suAssume = aUserDirectoryURL + "/canonical.name";
+        check_getAbsoluteFileURL(aUserDirectoryURL, sLnkURL, osl::FileBase::E_None, suAssume);
+        deleteTestFile(aCanURL1);
+        fd = remove(strLinkFileName.getStr());
+        CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), fd);
+#endif
+#endif
+    }
+
+    // please see line# 930
+    void getAbsoluteFileURL::getAbsoluteFileURL_003()
+    {
+    }
+
+    void getAbsoluteFileURL::getAbsoluteFileURL_004()
+    {
+        // create two level directories under $Temp/PID/
+        OUString aUStrUpBase = aUserDirectoryURL + "/test1";
+        createTestDirectory(aUStrUpBase);
+        OUString aUStrBase = aUserDirectoryURL + "/test1/dir1";
+        createTestDirectory(aUStrBase);
+
+        OUString suAssume = aUserDirectoryURL + "/mytestfile";
+        check_getAbsoluteFileURL(aUStrBase, "../../mytestfile" , osl::FileBase::E_None, suAssume);
+        deleteTestDirectory(aUStrBase);
+        deleteTestDirectory(aUStrUpBase);
+    }
+
+    // testing two methods:
+    // static inline RC getSystemPathFromFileURL(const OUString& ustrFileURL,
+    //                OUString& ustrSystemPath)
+    // static RC getFileURLFromSystemPath(const OUString & ustrSystemPath,
+    //                OUString & ustrFileURL);
+
+    class SystemPath_FileURL : public CppUnit::TestFixture
+    {
+    public:
+        void getSystemPathFromFileURL_001_1();
+        void getSystemPathFromFileURL_001_2();
+        void getSystemPathFromFileURL_001_21();
+        void getSystemPathFromFileURL_001_22();
+        void getSystemPathFromFileURL_001_3();
+        void getSystemPathFromFileURL_001_31();
+        void getSystemPathFromFileURL_001_4();
+        void getSystemPathFromFileURL_001_41();
+        void getSystemPathFromFileURL_001_5();
+        void getSystemPathFromFileURL_001_51();
+        void getSystemPathFromFileURL_001_52();
+        void getSystemPathFromFileURL_001_53();
+        void getSystemPathFromFileURL_001_6();
+        void getSystemPathFromFileURL_001_61();
+        void getSystemPathFromFileURL_001_7();
+        void getSystemPathFromFileURL_001_71();
+        void getSystemPathFromFileURL_001_8();
+        void getSystemPathFromFileURL_001_81();
+        void getSystemPathFromFileURL_001_9();
+        void getSystemPathFromFileURL_001_91();
+        void getSystemPathFromFileURL_001_92();
+        void getSystemPathFromFileURL_004();
+        void getSystemPathFromFileURL_005();
+
+        // test case for getFileURLFromSystemPath
+        void getFileURLFromSystemPath_001();
+        void getFileURLFromSystemPath_002();
+        void getFileURLFromSystemPath_003();
+        void getFileURLFromSystemPath_004();
+        void getFileURLFromSystemPath_004_1();
+        void getFileURLFromSystemPath_005();
+
+        CPPUNIT_TEST_SUITE(SystemPath_FileURL);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_1);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_2);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_21);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_22);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_3);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_31);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_4);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_41);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_5);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_51);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_52);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_53);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_6);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_61);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_7);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_71);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_8);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_81);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_9);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_91);
+            CPPUNIT_TEST(getSystemPathFromFileURL_001_92);
+            CPPUNIT_TEST(getSystemPathFromFileURL_004);
+            CPPUNIT_TEST(getSystemPathFromFileURL_005);
+            CPPUNIT_TEST(getFileURLFromSystemPath_001);
+            CPPUNIT_TEST(getFileURLFromSystemPath_002);
+            CPPUNIT_TEST(getFileURLFromSystemPath_003);
+            CPPUNIT_TEST(getFileURLFromSystemPath_004);
+            CPPUNIT_TEST(getFileURLFromSystemPath_004_1);
+            CPPUNIT_TEST(getFileURLFromSystemPath_005);
+        CPPUNIT_TEST_SUITE_END();
+
+    private:
+        void check_SystemPath_FileURL(
+                OString const& _sSource,
+                osl::FileBase::RC _nAssumeError,
+                OString const& _sAssumeResultStr,
+                bool bDirection = true);
+
+        void checkWNTBehaviour_getSystemPathFromFileURL(
+                OString const& _sURL,
+                osl::FileBase::RC _nAssumeError,
+                OString const& _sWNTAssumeResultString);
+
+        void checkUNXBehaviour_getSystemPathFromFileURL(
+                OString const& _sURL,
+                osl::FileBase::RC _nAssumeError,
+                OString const& _sUnixAssumeResultString);
+
+        void checkWNTBehaviour_getFileURLFromSystemPath(OString const& _sSysPath,
+                osl::FileBase::RC _nAssumeError,
+                OString const& _sWNTAssumeResultString);
+
+        void checkUNXBehaviour_getFileURLFromSystemPath(
+                OString const& _sSysPath,
+                osl::FileBase::RC _nAssumeError,
+                OString const& _sUnixAssumeResultString);
+
+    };
+
+    // if bDirection==sal_True, check getSystemPathFromFileURL
+    // if bDirection==sal_False, check getFileURLFromSystemPath
+    void SystemPath_FileURL::check_SystemPath_FileURL(
+            OString const& _sSource,
+            osl::FileBase::RC _nAssumeError,
+            OString const& _sAssumeResultStr,
+            bool bDirection)
+    {
+        // PRE: URL as String
+        OUString suSource;
+        OUString suStr;
+        suSource = OStringToOUString(_sSource, RTL_TEXTENCODING_UTF8);
+        osl::FileBase::RC nError;
+
+        if (bDirection)
+            nError = osl::FileBase::getSystemPathFromFileURL(suSource, suStr);
+        else
+            nError = osl::FileBase::getFileURLFromSystemPath(suSource, suStr);
+
+        // if the given string is gt length 0,
+        // we check also this string
+        OString sStr = OUStringToOString(suStr, RTL_TEXTENCODING_UTF8);
+        OString sError = errorToString(nError);
+
+        if (bDirection)
+            printf("getSystemPathFromFileURL('%s') deliver system path: '%s', error '%s'\n",
+                    _sSource.getStr(), sStr.getStr(), sError.getStr());
+        else
+            printf("getFileURLFromSystemPath('%s') deliver File URL: '%s', error '%s'\n",
+                    _sSource.getStr(), sStr.getStr(), sError.getStr());
+
+        if (!_sAssumeResultStr.isEmpty())
+        {
+            bool bStrAreEqual = _sAssumeResultStr == sStr;
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("Assumption is wrong",
+                                    _nAssumeError, nError);
+            CPPUNIT_ASSERT_MESSAGE("Assumption is wrong",
+                                    bStrAreEqual);
+        }
+        else
+        {
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("Assumption is wrong", _nAssumeError, nError);
+        }
+    }
+
+    void SystemPath_FileURL::checkWNTBehaviour_getSystemPathFromFileURL(
+            OString const& _sURL,
+            osl::FileBase::RC _nAssumeError,
+            OString const& _sWNTAssumeResultString)
+    {
+#if defined(_WIN32)
+        check_SystemPath_FileURL(_sURL, _nAssumeError, _sWNTAssumeResultString);
+#else
+        (void)_sURL;
+        (void)_nAssumeError;
+        (void)_sWNTAssumeResultString;
+#endif
+    }
+
+    void SystemPath_FileURL::checkUNXBehaviour_getSystemPathFromFileURL(
+            OString const& _sURL,
+            osl::FileBase::RC _nAssumeError,
+            OString const& _sUnixAssumeResultString)
+    {
+#if (defined UNX)
+        check_SystemPath_FileURL(_sURL, _nAssumeError, _sUnixAssumeResultString);
+#else
+        (void)_sURL;
+        (void)_nAssumeError;
+        (void)_sUnixAssumeResultString;
+#endif
+    }
+
+    void SystemPath_FileURL::checkWNTBehaviour_getFileURLFromSystemPath(
+            OString const& _sSysPath,
+            osl::FileBase::RC _nAssumeError,
+            OString const& _sWNTAssumeResultString)
+    {
+#if defined(_WIN32)
+        check_SystemPath_FileURL(_sSysPath, _nAssumeError, _sWNTAssumeResultString, false);
+#else
+        (void)_sSysPath;
+        (void)_nAssumeError;
+        (void)_sWNTAssumeResultString;
+#endif
+    }
+
+    void SystemPath_FileURL::checkUNXBehaviour_getFileURLFromSystemPath(
+            OString const& _sSysPath,
+            osl::FileBase::RC _nAssumeError,
+            OString const& _sUnixAssumeResultString)
+    {
+#if (defined UNX)
+        check_SystemPath_FileURL(_sSysPath, _nAssumeError, _sUnixAssumeResultString, false);
+#else
+        (void)_sSysPath;
+        (void)_nAssumeError;
+        (void)_sUnixAssumeResultString;
+#endif
+    }
+
+    /** Test for getSystemPathFromFileURL()
+        this test is split into 2 different OS tests,
+        the first function checkUNXBehaviour... runs only on Unix based Systems,
+        the second only on windows based systems
+        the first parameter are a file URL where we want to get the system path of,
+        the second parameter is the assumed error of the osl_getSystemPathFromFileURL() function,
+        the third parameter is the assumed result string, the string will only test, if its length is greater than 0
+    */
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_1()
+    {
+        OString sURL("");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_2()
+    {
+        OString sURL("/");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "\\");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_21()
+    {
+        /* From RFC3986, "2.2. Reserved Characters":
+
+           "The purpose of reserved characters is to provide a set of delimiting
+           characters that are distinguishable from other data within a URI.
+           URIs that differ in the replacement of a reserved character with its
+           corresponding percent-encoded octet are not equivalent.  Percent-
+           encoding a reserved character, or decoding a percent-encoded octet
+           that corresponds to a reserved character, will change how the URI is
+           interpreted by most applications.  Thus, characters in the reserved
+           set are protected from normalization and are therefore safe to be
+           used by scheme-specific and producer-specific algorithms for
+           delimiting data subcomponents within a URI."
+
+           In other words, %2F ("/") is NOT the same as /.
+        */
+        OString sURL("%2F");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_22()
+    {
+        OString sURL("file:///tmp%2Fmydir");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_3()
+    {
+        OString sURL("a");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "a");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "a");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_31()
+    {
+        OString sURL("tmpname");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "tmpname");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "tmpname");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_4()
+    {
+        OString sURL("file://");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_41()
+    {
+        OString sURL("file://localhost/tmp");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_5()
+    {
+        OString sURL("file:///tmp");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/tmp");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_51()
+    {
+        OString sURL("file://c:/tmp");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_52()
+    {
+        OString sURL("file:///c:/tmp");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/c:/tmp");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "c:\\tmp");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_53()
+    {
+        OString sURL("file:///c|/tmp");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/c|/tmp");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "c:\\tmp");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_6()
+    {
+        OString sURL("file:///tmp/first");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/tmp/first");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_61()
+    {
+        OString sURL("file:///c:/tmp/first");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/c:/tmp/first");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "c:\\tmp\\first");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_7()
+    {
+        OString sURL("file:///tmp/../second");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/tmp/../second");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_71()
+    {
+        OString sURL("file:///c:/tmp/../second");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/c:/tmp/../second");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "c:\\tmp\\..\\second");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_8()
+    {
+        OString sURL("../tmp");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "../tmp");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "..\\tmp");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_81()
+    {
+#if 0
+        OString sURL("file://~/tmp");
+        char* home_path;
+        home_path = getenv("HOME");
+        OString expResult(home_path ? home_path : "");
+        expResult += "/tmp";
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, expResult);
+#endif
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_9()
+    {
+        OString sURL("file:///tmp/first%20second");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/tmp/first second");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_91()
+    {
+        OString sURL("file:///c:/tmp/first%20second");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "/c:/tmp/first second");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_None, "c:\\tmp\\first second");
+    }
+
+    void SystemPath_FileURL::getSystemPathFromFileURL_001_92()
+    {
+        OString sURL("ca@#;+.,$///78no%01ni..name");
+        checkUNXBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getSystemPathFromFileURL(sURL, osl::FileBase::E_INVAL, "");
+    }
+
+    // normal legal case
+    void SystemPath_FileURL::getSystemPathFromFileURL_004()
+    {
+        OUString aUStr;
+        OUString aUNormalURL(aTmpName6);
+        OUString aUResultURL (aSysPath4);
+        osl::FileBase::RC nError = osl::FileBase::getSystemPathFromFileURL(aUNormalURL, aUStr);
+
+        bool bOk = compareFileName(aUStr, aUResultURL);
+
+        OString sError =
+            "test for getSystemPathFromFileURL(' " +
+            OUStringToOString(aUNormalURL, RTL_TEXTENCODING_ASCII_US) +
+            " ') function:use an absolute file URL, " +
+            outputError(OUStringToOString(aUStr, RTL_TEXTENCODING_ASCII_US),
+                        OUStringToOString(aUResultURL, RTL_TEXTENCODING_ASCII_US));
+
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(sError.getStr(), osl::FileBase::E_None, nError);
+        CPPUNIT_ASSERT_MESSAGE(sError.getStr(), bOk);
+
+    }
+
+    // CJK characters case
+    void SystemPath_FileURL::getSystemPathFromFileURL_005()
+    {
+        OUString aUStr;
+        createTestDirectory(aTmpName10);
+        OUString aUNormalURL(aTmpName10);
+        OUString aUResultURL (aSysPath5);
+
+        osl::FileBase::RC nError = osl::FileBase::getSystemPathFromFileURL(aUNormalURL, aUStr);
+
+        bool bOk = compareFileName(aUStr, aUResultURL);
+
+        OString sError =
+            "test for getSystemPathFromFileURL(' " +
+            OUStringToOString(aUNormalURL, RTL_TEXTENCODING_ASCII_US) +
+            " ') function:use a CJK coded absolute URL, " +
+            outputError(OUStringToOString(aUStr, RTL_TEXTENCODING_ASCII_US),
+                        OUStringToOString(aUResultURL, RTL_TEXTENCODING_ASCII_US));
+        deleteTestDirectory(aTmpName10);
+
+        CPPUNIT_ASSERT_EQUAL_MESSAGE(sError.getStr(), osl::FileBase::E_None, nError);
+        CPPUNIT_ASSERT_MESSAGE(sError.getStr(), bOk);
+    }
+
+    void SystemPath_FileURL::getFileURLFromSystemPath_001()
+    {
+        OString sSysPath("~/tmp");
+        char* home_path;
+        home_path = getenv("HOME");
+        OString expResult(home_path ? home_path : "");
+        expResult = "file://"+ expResult + "/tmp";
+        checkUNXBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_None, expResult);
+        checkWNTBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_None, "~/tmp");
+    }
+
+    void SystemPath_FileURL::getFileURLFromSystemPath_002()
+    {
+        OString sSysPath("c:/tmp");
+        checkUNXBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_None, "c:/tmp");
+        checkWNTBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_None, "file:///c:/tmp");
+    }
+
+    void SystemPath_FileURL::getFileURLFromSystemPath_003()
+    {
+        OString sSysPath("file:///temp");
+        checkUNXBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getFileURLFromSystemPath_004()
+    {
+        OString sSysPath("//tmp//first start");
+        checkUNXBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_None, "file:///tmp/first%20start");
+        checkWNTBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getFileURLFromSystemPath_004_1()
+    {
+        OString sSysPath("/tmp///first start");
+        checkUNXBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_None, "file:///tmp/first%20start");
+        checkWNTBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_INVAL, "");
+    }
+
+    void SystemPath_FileURL::getFileURLFromSystemPath_005()
+    {
+        OString sSysPath("");
+        checkUNXBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_INVAL, "");
+        checkWNTBehaviour_getFileURLFromSystemPath(sSysPath, osl::FileBase::E_INVAL, "");
+    }
+
+    // testing the method
+    // static inline RC searchFileURL( const OUString& ustrFileName,
+    //                                  const OUString& ustrSearchPath,
+    //                                  OUString& ustrFileURL)
+
+    class searchFileURL : public CppUnit::TestFixture
+    {
+    private:
+        OUString aUStr;
+
+    public:
+        void searchFileURL_001()
+        {
+            /* search file is passed by system filename */
+            auto nError1 = osl::FileBase::searchFileURL(aTmpName1, aUserDirectorySys, aUStr);
+            /* search file is passed by full qualified file URL */
+            auto nError2 = osl::FileBase::searchFileURL(aCanURL1, aUserDirectorySys, aUStr);
+            /* search file is passed by relative file path */
+            auto nError3 = osl::FileBase::searchFileURL(aRelURL4, aUserDirectorySys, aUStr);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: system filename/URL filename/relative path, system directory, searched files that is not exist, but it reply invalid error, did not pass in (W32) ",
+                                     osl::FileBase::E_NOENT, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: system filename/URL filename/relative path, system directory, searched files that is not exist, but it reply invalid error, did not pass in (W32) ",
+                                     osl::FileBase::E_NOENT, nError2);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: system filename/URL filename/relative path, system directory, searched files that is not exist, but it reply invalid error, did not pass in (W32) ",
+                                    osl::FileBase::E_NOENT, nError3);
+        }
+
+         void searchFileURL_002()
+        {
+#ifndef UNX
+            /* search file is passed by system filename */
+            OUString strRootSys = INetURLObject(aTempDirectoryURL).GetLastName();
+            auto nError1 = osl::FileBase::searchFileURL(aTempDirectorySys, strRootSys, aUStr);
+            bool bOk1 = compareFileName(aUStr, aTempDirectoryURL);
+            /* search file is passed by full qualified file URL */
+            auto nError2 = osl::FileBase::searchFileURL(aTempDirectoryURL, strRootSys, aUStr);
+            bool bOk2 = compareFileName(aUStr, aTempDirectoryURL);
+#ifndef _WIN32
+            /* search file is passed by relative file path */
+            auto nError3 = osl::FileBase::searchFileURL(aRelURL5, strRootSys, aUStr);
+            bool bOk3 = compareFileName(aUStr, aTempDirectoryURL);
+#endif
+            /* search file is passed by an exist file */
+            createTestFile(aCanURL1);
+            auto nError4 = osl::FileBase::searchFileURL(aCanURL4, aUserDirectorySys, aUStr);
+            bool bOk4 = compareFileName(aUStr, aCanURL1);
+            deleteTestFile(aCanURL1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: system filename, system directory, searched file already exist.",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: URL filename, system directory, searched file already exist.",
+                                    osl::FileBase::E_None, nError2);
+#ifndef _WIN32
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: relative path, system directory, searched file already exist.",
+                                    osl::FileBase::E_None, nError3);
+#endif
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: system filename/URL filename/relative path, system directory, searched file already exist.",
+                                    osl::FileBase::E_None, nError4);
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: system filename, system directory, searched file already exist.",
+                                    bOk1);
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: URL filename, system directory, searched file already exist.",
+                                    bOk2);
+#ifndef _WIN32
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: relative path, system directory, searched file already exist.",
+                                    bOk3);
+#endif
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: system filename/URL filename/relative path, system directory, searched file already exist.",
+                                    bOk4);
+#endif
+        }
+
+        void searchFileURL_003()
+        {
+            OUString aSystemPathList(aRootSys + PATH_LIST_DELIMITER + aTempDirectorySys + PATH_LIST_DELIMITER + aRootSys + "system/path");
+            auto nError1 = osl::FileBase::searchFileURL(aUserDirectoryURL, aSystemPathList, aUStr);
+            bool bOk = compareFileName(aUStr, aUserDirectoryURL);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: search directory is a list of system paths",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: search directory is a list of system paths",
+                                    bOk);
+        }
+
+        void searchFileURL_004()
+        {
+            OUString aSystemPathList(aRootSys + PATH_LIST_DELIMITER + aTempDirectorySys + PATH_LIST_DELIMITER + aRootSys + "system/path/../name");
+            auto nError1 = osl::FileBase::searchFileURL(aUserDirectoryURL, aSystemPathList, aUStr);
+            bool bOk = compareFileName(aUStr, aUserDirectoryURL);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: search directory is a list of system paths",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: search directory is a list of system paths",
+                                    bOk);
+        }
+
+        void searchFileURL_005()
+        {
+            auto nError1 = osl::FileBase::searchFileURL(aUserDirectoryURL, aNullURL, aUStr);
+            bool bOk = compareFileName(aUStr, aUserDirectoryURL);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for searchFileURL function: search directory is NULL",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("test for searchFileURL function: search directory is NULL",
+                                    bOk);
+        }
+
+        CPPUNIT_TEST_SUITE(searchFileURL);
+            CPPUNIT_TEST(searchFileURL_001);
+            CPPUNIT_TEST(searchFileURL_002);
+            CPPUNIT_TEST(searchFileURL_003);
+            CPPUNIT_TEST(searchFileURL_004);
+            CPPUNIT_TEST(searchFileURL_005);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    // testing the method
+    // static inline RC getTempDirURL(OUString& ustrTempDirURL)
+
+    class getTempDirURL : public CppUnit::TestFixture
+    {
+    private:
+        OUString aUStr;
+
+    public:
+        void setUp() override
+        {
+            osl::FileBase::RC nError = osl::FileBase::getTempDirURL(aUStr);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getTempDirURL function: execution",
+                                     osl::FileBase::E_None, nError);
+        }
+
+        void getTempDirURL_002()
+        {
+            CPPUNIT_ASSERT_MESSAGE("test for getTempDirURL function: test for open and write access rights",
+                                    checkDirectory(aUStr, oslCheckMode::OpenAccess));
+            CPPUNIT_ASSERT_MESSAGE("test for getTempDirURL function: test for open and write access rights",
+                                    checkDirectory(aUStr, oslCheckMode::ReadAccess));
+            CPPUNIT_ASSERT_MESSAGE("test for getTempDirURL function: test for open and write access rights",
+                                    checkDirectory(aUStr, oslCheckMode::WriteAccess));
+        }
+
+        CPPUNIT_TEST_SUITE(getTempDirURL);
+            CPPUNIT_TEST(getTempDirURL_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  static inline RC createTempFile(OUString* pustrDirectoryURL,
+    //                                   oslFileHandle* pHandle,
+    //                                   OUString* pustrTempFileURL)
+
+    class createTempFile : public CppUnit::TestFixture
+    {
+    private:
+        std::unique_ptr<oslFileHandle> pHandle;
+        std::unique_ptr<OUString> pUStr_DirURL;
+        std::unique_ptr<OUString> pUStr_FileURL;
+
+    public:
+        void setUp() override
+        {
+            pHandle.reset(new oslFileHandle());
+            pUStr_DirURL.reset(new OUString(aUserDirectoryURL));
+            pUStr_FileURL.reset(new OUString());
+        }
+
+        void tearDown() override
+        {
+            pUStr_DirURL.reset();
+            pUStr_FileURL.reset();
+            pHandle.reset();
+        }
+
+        void createTempFile_001()
+        {
+            auto nError1 = osl::FileBase::createTempFile(pUStr_DirURL.get(), pHandle.get(), pUStr_FileURL.get());
+            File testFile(*pUStr_FileURL);
+            auto nError2 = testFile.open(osl_File_OpenFlag_Create);
+
+            if (nError2 == osl::FileBase::E_EXIST)
+            {
+                osl_closeFile(*pHandle);
+                deleteTestFile(*pUStr_FileURL);
+            }
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for createTempFile function: create temp file and test the existence",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("test for createTempFile function: create temp file and test the existence",
+                                     (pHandle != nullptr));
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for createTempFile function: create temp file and test the existence",
+                                     osl::FileBase::E_EXIST, nError2);
+        }
+
+        void createTempFile_002()
+        {
+            bool bOK = false;
+            auto nError1 = osl::FileBase::createTempFile(pUStr_DirURL.get(), pHandle.get(), pUStr_FileURL.get());
+            File testFile(*pUStr_FileURL);
+            auto nError2 = testFile.open(osl_File_OpenFlag_Create);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("createTempFile function: create a temp file, but it does not exist",
+                osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("createTempFile function: create a temp file, but it does not exist",
+                (pHandle != nullptr));
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("createTempFile function: create a temp file, but it does not exist",
+                osl::FileBase::E_EXIST, nError2);
+
+            // check file if have the write permission
+            if (nError2 == osl::FileBase::E_EXIST)
+            {
+                bOK = ifFileCanWrite(*pUStr_FileURL);
+                osl_closeFile(*pHandle);
+                deleteTestFile(*pUStr_FileURL);
+            }
+
+            CPPUNIT_ASSERT_MESSAGE("test for open and write access rights, in (W32), it did not have write access right, but it should be writable.",
+                                     bOK);
+        }
+
+        void createTempFile_003()
+        {
+            auto nError1 = osl::FileBase::createTempFile(pUStr_DirURL.get(), pHandle.get(), nullptr);
+            // the temp file will be removed when return from createTempFile
+            bool bOK = (pHandle != nullptr && nError1 == osl::FileBase::E_None);
+            if (bOK)
+                osl_closeFile(*pHandle);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for createTempFile function: set pUStrFileURL to 0 to let it remove the file after call.",
+                                osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("test for createTempFile function: set pUStrFileURL to 0 to let it remove the file after call.",
+                                bOK);
+        }
+
+        void createTempFile_004()
+        {
+            auto nError1 = osl::FileBase::createTempFile(pUStr_DirURL.get(), nullptr, pUStr_FileURL.get());
+            bool bOK = (pUStr_FileURL != nullptr);
+            CPPUNIT_ASSERT(bOK);
+            File testFile(*pUStr_FileURL);
+            auto nError2 = testFile.open(osl_File_OpenFlag_Create);
+            deleteTestFile(*pUStr_FileURL);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("createTempFile function: create a temp file, but it does not exist",
+                osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("createTempFile function: create a temp file, but it does not exist",
+                osl::FileBase::E_EXIST, nError2);
+            CPPUNIT_ASSERT_MESSAGE("createTempFile function: create a temp file, but it does not exist",
+                bOK);
+
+        }
+
+        CPPUNIT_TEST_SUITE(createTempFile);
+            CPPUNIT_TEST(createTempFile_001);
+            CPPUNIT_TEST(createTempFile_002);
+            CPPUNIT_TEST(createTempFile_003);
+            CPPUNIT_TEST(createTempFile_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    // FIXME: remove the _disabled to enable:
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileBase::getAbsoluteFileURL, "osl_osl::FileBase");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileBase::SystemPath_FileURL, "osl_osl::FileBase");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileBase::searchFileURL, "osl_osl::FileBase");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileBase::getTempDirURL, "osl_osl::FileBase");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileBase::createTempFile, "osl_osl::FileBase");
+
+    CPPUNIT_REGISTRY_ADD_TO_DEFAULT("osl_osl::FileBase");
+}
+
+namespace osl_FileStatus
+{
+    //  testing the method
+    //  FileStatus(sal_uInt32 nMask): _nMask(nMask)
+    class ctors : public CppUnit::TestFixture
+    {
+    private:
+        OUString aUStr;
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            Directory aDir(aTmpName3);
+            auto nError1 = aDir.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = aDir.getNextItem(rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            aDir.close();
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void ctors_001()
+        {
+            FileStatus rFileStatus(osl_FileStatus_Mask_All);
+            auto nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            aUStr = rFileStatus.getFileName();
+
+            CPPUNIT_ASSERT_MESSAGE("test for ctors function: mask all and see the file name",
+                                   compareFileName(aUStr, aTmpName2));
+        }
+
+        void ctors_002()
+        {
+            FileStatus rFileStatus(0);
+            auto nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            aUStr = rFileStatus.getFileName();
+
+            CPPUNIT_ASSERT_MESSAGE("test for ctors function: mask is empty",
+                                   compareFileName(aUStr, aNullURL));
+        }
+
+        CPPUNIT_TEST_SUITE(ctors);
+            CPPUNIT_TEST(ctors_001);
+            CPPUNIT_TEST(ctors_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline sal_Bool isValid(sal_uInt32 nMask) const
+
+    class isValid : public CppUnit::TestFixture
+    {
+    private:
+        std::unique_ptr<Directory> pDir;
+        DirectoryItem rItem_file, rItem_link;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            pDir.reset(new Directory(aTmpName3));
+            osl::FileBase::RC nError1 = pDir->open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = pDir->getNextItem(rItem_file, 1);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            osl::FileBase::RC nError1 = pDir->close();
+            pDir.reset();
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError1).getStr(), osl::FileBase::E_None, nError1);
+
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void isValid_001()
+        {
+            sal_uInt32 mask = 0;
+            FileStatus rFileStatus(mask);
+            osl::FileBase::RC nError1 = rItem_file.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            bool bOk = rFileStatus.isValid(mask);
+
+            CPPUNIT_ASSERT_MESSAGE("test for isValid function: no fields specified", bOk);
+        }
+
+        void check_FileStatus(FileStatus const& _aStatus)
+        {
+            OString sStat;
+            if (_aStatus.isValid(osl_FileStatus_Mask_Type))
+                sStat += "type ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_Attributes))
+                sStat += "attributes ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_CreationTime))
+                sStat += "ctime ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_AccessTime))
+                sStat += "atime ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_ModifyTime))
+                sStat += "mtime ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_FileSize))
+                sStat += "filesize ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_FileName))
+                sStat += "filename ";
+            if (_aStatus.isValid(osl_FileStatus_Mask_FileURL))
+                sStat += "fileurl ";
+            printf("mask: %s\n", sStat.getStr());
+        }
+
+        void isValid_002()
+        {
+            createTestFile(aTmpName6);
+            sal_uInt32 mask_file = osl_FileStatus_Mask_Type |
+                                   osl_FileStatus_Mask_Attributes |
+                                   osl_FileStatus_Mask_CreationTime |
+                                   osl_FileStatus_Mask_AccessTime |
+                                   osl_FileStatus_Mask_ModifyTime |
+                                   osl_FileStatus_Mask_FileSize |
+                                   osl_FileStatus_Mask_FileName |
+                                   osl_FileStatus_Mask_FileURL;
+
+            FileStatus rFileStatus(mask_file);
+            DirectoryItem::get(aTmpName6, rItem_file);
+            osl::FileBase::RC nError1 = rItem_file.getFileStatus(rFileStatus);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError1).getStr(), osl::FileBase::E_None, nError1);
+
+            check_FileStatus(rFileStatus);
+            deleteTestFile(aTmpName6);
+
+        }
+
+        /** Check if is a valid linked file.
+
+            Link is not defined in Windows, and on Linux, we can not get the directory item of the linked file.
+            We have to defer to filesystems, normal filesystems support links (EXT2, ...), castrated filesystems
+            don't have links (FAT, FAT32) and Windows NT NTFS support links, but the Windows API doesn't :-(
+        */
+        void isValid_003()
+        {
+#if 0
+#if defined (UNX)
+            sal_Int32 fd;
+
+            OUString aUStr_LnkFileSys(aTempDirectorySys), aUStr_SrcFileSys(aTempDirectorySys);
+            aUStr_LnkFileSys += aSlashURL + getCurrentPID() + "/tmpdir/link.file";
+            aUStr_SrcFileSys += aSlashURL + getCurrentPID() + "/tmpdir/tmpname";
+
+            OString strLinkFileName;
+            OString strSrcFileName;
+            strLinkFileName = OUStringToOString(aUStr_LnkFileSys, RTL_TEXTENCODING_ASCII_US);
+            strSrcFileName = OUStringToOString(aUStr_SrcFileSys, RTL_TEXTENCODING_ASCII_US);
+
+            // create a link file and link it to file "/tmp/PID/tmpdir/tmpname"
+            fd = symlink(strSrcFileName.getStr(), strLinkFileName.getStr());
+            CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), fd);
+
+            // testDirectory is "/tmp/PID/tmpdir/"
+            Directory testDirectory(aTmpName3);
+            testDirectory.open();
+            OUString aFileName ("link.file");
+            bool bOk = false;
+            while (true)
+            {
+                osl::FileBase::RC nError1 = testDirectory.getNextItem(rItem_link, 4);
+
+                if (nError1 == osl::FileBase::E_None)
+                {
+                    sal_uInt32 mask_link = osl_FileStatus_Mask_FileName | osl_FileStatus_Mask_LinkTargetURL;
+                    FileStatus rFileStatus(mask_link);
+                    rItem_link.getFileStatus(rFileStatus);
+
+                    if (compareFileName(rFileStatus.getFileName(), aFileName))
+                    {
+                        if (rFileStatus.isValid(osl_FileStatus_Mask_LinkTargetURL))
+                        {
+                            bOk = true;
+                            break;
+                        }
+                    }
+                }
+                else
+                {
+                    break;
+                }
+            };
+
+            fd = remove(strLinkFileName.getStr());
+            CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), fd);
+
+            CPPUNIT_ASSERT_MESSAGE("test for isValid function: link file, check for LinkTargetURL", bOk);
+#endif
+#endif
+        }
+
+        void isValid_004()
+        {
+            sal_uInt32 mask_file_all = osl_FileStatus_Mask_All;
+            FileStatus   rFileStatus_all(mask_file_all);
+            osl::FileBase::RC nError1 = rItem_file.getFileStatus(rFileStatus_all);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            check_FileStatus(rFileStatus_all);
+
+            sal_uInt32 mask_file_val = osl_FileStatus_Mask_Validate;
+            FileStatus   rFileStatus_val(mask_file_val);
+            nError1 = rItem_file.getFileStatus(rFileStatus_val);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            check_FileStatus(rFileStatus_val);
+        }
+
+        CPPUNIT_TEST_SUITE(isValid);
+            CPPUNIT_TEST(isValid_001);
+            CPPUNIT_TEST(isValid_002);
+            CPPUNIT_TEST(isValid_003);
+            CPPUNIT_TEST(isValid_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    // testing the method
+    // inline Type getFileType() const
+
+    class getFileType : public CppUnit::TestFixture
+    {
+    private:
+        DirectoryItem m_aItem_1, m_aItem_2, m_aVolumeItem, m_aFifoItem;
+        DirectoryItem m_aLinkItem, m_aSocketItem, m_aSpecialItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile: $TEMP/tmpdir/tmpname.
+            //        a tempdirectory: $TEMP/tmpdir/tmpdir.
+            //        use $ROOT/staroffice as volume ---> use dev/fd as volume.
+            // and get their directory item.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName3, aTmpName2);
+            createTestDirectory(aTmpName3, aTmpName1);
+
+            std::unique_ptr<Directory> xDir(new Directory(aTmpName3));
+            auto nError1 = xDir->open();
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("open aTmpName3 failed!", osl::FileBase::E_None, nError1);
+            // getNextItem can not assure which item retrieved
+            nError1 = xDir->getNextItem(m_aItem_1, 1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("get first item failed!", osl::FileBase::E_None, nError1);
+
+            nError1 = xDir->getNextItem(m_aItem_2);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("get second item failed!", osl::FileBase::E_None, nError1);
+            xDir->close();
+            // FIXME mindy: failed on my RH9, so removed temporarily
+            // nError1 = DirectoryItem::get(aVolURL2, m_aVolumeItem);
+            // CPPUNIT_ASSERT_MESSAGE("get volume item failed!", osl::FileBase::E_None == nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove all in $TEMP/tmpdir.
+            deleteTestDirectory(aTmpName3, aTmpName1);
+            deleteTestFile(aTmpName3, aTmpName2);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void getFileType_001()
+        {
+            FileStatus   rFileStatus(osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName);
+            auto nError1 = m_aItem_1.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("getFileStatus failed", osl::FileBase::E_None, nError1);
+
+            check_FileType(rFileStatus);
+        }
+
+        void check_FileType(osl::FileStatus const& _rFileStatus)
+        {
+            if (_rFileStatus.isValid(osl_FileStatus_Mask_FileName))
+            {
+                OUString suFilename = _rFileStatus.getFileName();
+
+                if (_rFileStatus.isValid(osl_FileStatus_Mask_Type))
+                {
+                    osl::FileStatus::Type eType = _rFileStatus.getFileType();
+                    bool bOK = false;
+
+                    if (compareFileName(suFilename, aTmpName2))
+                        bOK = (eType == osl::FileStatus::Regular);
+
+                    if (compareFileName(suFilename, aTmpName1))
+                        bOK = (eType == FileStatus::Directory);
+
+                    CPPUNIT_ASSERT_MESSAGE("test for getFileType function: ", bOK);
+                }
+            }
+            // LLA: it's not a bug, if a FileStatus not exist, so no else
+        }
+
+        void getFileType_002()
+        {
+            FileStatus rFileStatus(osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName);
+            auto nError1 = m_aItem_2.getFileStatus(rFileStatus);
+
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            check_FileType(rFileStatus);
+        }
+
+        void getFileType_003()
+        {
+        }
+
+        void getFileType_007()
+        {
+#if defined(__sun) // Special file is different in Windows
+            auto nError1 = DirectoryItem::get(aTypeURL2, m_aSpecialItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // check for File type
+            FileStatus   rFileStatus(osl_FileStatus_Mask_Type);
+            nError1 = m_aSpecialItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            if (rFileStatus.isValid(osl_FileStatus_Mask_Type))
+            {
+                osl::FileStatus::Type eType = rFileStatus.getFileType();
+
+                CPPUNIT_ASSERT_MESSAGE("test for getFileType function: Special, Solaris version ",
+                                        (eType == FileStatus::Special));
+            }
+#endif
+        }
+
+        CPPUNIT_TEST_SUITE(getFileType);
+            CPPUNIT_TEST(getFileType_001);
+            CPPUNIT_TEST(getFileType_002);
+            CPPUNIT_TEST(getFileType_003);
+            CPPUNIT_TEST(getFileType_007);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline sal_uInt64 getAttributes() const
+
+    class getAttributes : public CppUnit::TestFixture
+    {
+    private:
+        OUString aTypeURL, aTypeURL_Hid;
+        DirectoryItem rItem, rItem_hidden;
+
+    public:
+        void setUp() override
+        {
+            aTypeURL = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL, aTmpName2);
+            createTestFile(aTypeURL);
+            osl::FileBase::RC nError = DirectoryItem::get(aTypeURL, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            aTypeURL_Hid = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL_Hid, aHidURL1);
+            createTestFile(aTypeURL_Hid);
+#ifdef _WIN32
+            hideFile(aTypeURL_Hid);
+#endif
+            nError = DirectoryItem::get(aTypeURL_Hid, rItem_hidden);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+        }
+
+        void tearDown() override
+        {
+            deleteTestFile(aTypeURL);
+            deleteTestFile(aTypeURL_Hid);
+        }
+
+#if (defined UNX)
+// windows only has 3 file attributes: normal, readonly and hidden
+        void getAttributes_001()
+        {
+            changeFileMode(aTypeURL, S_IRUSR | S_IRGRP | S_IROTH);
+
+            FileStatus rFileStatus(osl_FileStatus_Mask_Attributes);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            if (geteuid() == 0) // as root, access(W_OK) may be true despite mode
+            {
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: (not ReadOnly,) GrpRead, OwnRead, OthRead(UNX version) ",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_GrpRead | osl_File_Attribute_OwnRead | osl_File_Attribute_OthRead),
+                                    rFileStatus.getAttributes());
+            }
+            else
+            {
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: ReadOnly, GrpRead, OwnRead, OthRead(UNX version) ",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_ReadOnly | osl_File_Attribute_GrpRead | osl_File_Attribute_OwnRead | osl_File_Attribute_OthRead),
+                                    rFileStatus.getAttributes());
+            }
+        }
+#else // Windows version
+        void getAttributes_001()
+        {
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: ReadOnly, GrpRead, OwnRead, OthRead(Windows version)",
+                                     1, 1);
+        }
+#endif
+
+        void getAttributes_002()
+        {
+#if (defined UNX)
+            changeFileMode(aTypeURL, S_IXUSR | S_IXGRP | S_IXOTH);
+
+            FileStatus   rFileStatus(osl_FileStatus_Mask_Attributes);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            if (geteuid() == 0) // as root, access(W_OK) may be true despite mode
+            {
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: Executable, GrpExe, OwnExe, OthExe, the result is (not Readonly,) Executable, GrpExe, OwnExe, OthExe, it partly not pass(Solaris version)",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_Executable | osl_File_Attribute_GrpExe | osl_File_Attribute_OwnExe | osl_File_Attribute_OthExe),
+                                    rFileStatus.getAttributes());
+            }
+            else
+            {
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: Executable, GrpExe, OwnExe, OthExe, the result is Readonly, Executable, GrpExe, OwnExe, OthExe, it partly not pass(Solaris version)",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_ReadOnly | osl_File_Attribute_Executable | osl_File_Attribute_GrpExe | osl_File_Attribute_OwnExe | osl_File_Attribute_OthExe),
+                                    rFileStatus.getAttributes());
+            }
+#endif
+        }
+
+#if (defined UNX)
+        void getAttributes_003()
+        {
+            changeFileMode(aTypeURL, S_IWUSR | S_IWGRP | S_IWOTH);
+
+            FileStatus   rFileStatus(osl_FileStatus_Mask_Attributes);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: GrpWrite, OwnWrite, OthWrite(Solaris version)",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_GrpWrite | osl_File_Attribute_OwnWrite | osl_File_Attribute_OthWrite),
+                                    rFileStatus.getAttributes());
+        }
+#else // Windows version
+        void getAttributes_003()
+        {
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: GrpWrite, OwnWrite, OthWrite(Windows version)",
+                                     1, 1);
+        }
+#endif
+
+        void getAttributes_004()
+        {
+            sal_Int32 test_Attributes = osl_File_Attribute_Hidden;
+            FileStatus rFileStatus(osl_FileStatus_Mask_Attributes);
+            osl::FileBase::RC nError = rItem_hidden.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+            test_Attributes &= rFileStatus.getAttributes();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getAttributes function: Hidden files",
+                                    static_cast<sal_Int32>(osl_File_Attribute_Hidden), test_Attributes);
+        }
+
+        CPPUNIT_TEST_SUITE(getAttributes);
+            CPPUNIT_TEST(getAttributes_001);
+            CPPUNIT_TEST(getAttributes_002);
+            CPPUNIT_TEST(getAttributes_003);
+            CPPUNIT_TEST(getAttributes_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline TimeValue getAccessTime() const
+
+    class getAccessTime : public CppUnit::TestFixture
+    {
+    private:
+        OUString aTypeURL;
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            aTypeURL = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL, aTmpName2);
+            createTestFile(aTypeURL);
+            osl::FileBase::RC nError = DirectoryItem::get(aTypeURL, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+        }
+
+        void tearDown() override
+        {
+            deleteTestFile(aTypeURL);
+        }
+
+        void getAccessTime_001()
+        {
+            TimeValue *pTV_current = nullptr;
+            CPPUNIT_ASSERT((pTV_current = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+            TimeValue *pTV_access = nullptr;
+            CPPUNIT_ASSERT((pTV_access = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+
+            FileStatus   rFileStatus(osl_FileStatus_Mask_AccessTime);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            bool bOk = osl_getSystemTime(pTV_current);
+            CPPUNIT_ASSERT(bOk);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            *pTV_access = rFileStatus.getAccessTime();
+
+            bool bOK = t_compareTime(pTV_access, pTV_current, delta);
+            free(pTV_current);
+            free(pTV_access);
+
+            CPPUNIT_ASSERT_MESSAGE("test for getAccessTime function: This test turns out that UNX precision is no more than 1 sec, don't know how to test this function, in Windows test, it lost hour min sec, only have date time. ",
+                                    bOK);
+        }
+
+        CPPUNIT_TEST_SUITE(getAccessTime);
+            CPPUNIT_TEST(getAccessTime_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline TimeValue getModifyTime() const
+
+    class getModifyTime : public CppUnit::TestFixture
+    {
+    private:
+        OUString aTypeURL;
+        DirectoryItem rItem;
+
+    public:
+        void getModifyTime_001()
+        {
+            TimeValue *pTV_current = nullptr;
+            CPPUNIT_ASSERT((pTV_current = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+
+            // create file
+            aTypeURL = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL, aTmpName2);
+            createTestFile(aTypeURL);
+
+            // get current time
+            bool bOk = osl_getSystemTime(pTV_current);
+            CPPUNIT_ASSERT(bOk);
+
+            // get instance item and filestatus
+            osl::FileBase::RC nError = DirectoryItem::get(aTypeURL, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+            FileStatus   rFileStatus(osl_FileStatus_Mask_ModifyTime);
+            nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            // get modify time
+            TimeValue* pTV_modify = nullptr;
+            CPPUNIT_ASSERT((pTV_modify = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+            *pTV_modify = rFileStatus.getModifyTime();
+
+            bool bOK = t_compareTime(pTV_modify, pTV_current, delta);
+            // delete file
+            deleteTestFile(aTypeURL);
+            free(pTV_current);
+            free(pTV_modify);
+
+            CPPUNIT_ASSERT_MESSAGE("test for getModifyTime function: This test turns out that UNX precision is no more than 1 sec, don't know how to improve this function.  ",
+                                    bOK);
+        }
+
+        CPPUNIT_TEST_SUITE(getModifyTime);
+            CPPUNIT_TEST(getModifyTime_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline sal_uInt64 getFileSize() const
+
+    class getFileSize : public CppUnit::TestFixture
+    {
+    private:
+        OUString aTypeURL;
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            aTypeURL = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL, aTmpName2);
+            createTestFile(aTypeURL);
+            osl::FileBase::RC nError = DirectoryItem::get(aTypeURL, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+        }
+
+        void tearDown() override
+        {
+            deleteTestFile(aTypeURL);
+        }
+
+        void getFileSize_001()
+        {
+            FileStatus   rFileStatus(osl_FileStatus_Mask_FileSize);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            sal_uInt64 uFileSize = rFileStatus.getFileSize();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getFileSize function: empty file ",
+                                    static_cast<sal_uInt64>(0), uFileSize);
+        }
+
+        void getFileSize_002()
+        {
+            File testfile(aTypeURL);
+            osl::FileBase::RC nError = testfile.open(osl_File_OpenFlag_Write | osl_File_OpenFlag_Read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+            nError = testfile.setSize(TEST_FILE_SIZE);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            nError = DirectoryItem::get(aTypeURL, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+            FileStatus   rFileStatus(osl_FileStatus_Mask_FileSize);
+            nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+            sal_uInt64 uFileSize = rFileStatus.getFileSize();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getFileSize function: file with size of TEST_FILE_SIZE, did not pass in (W32). ",
+                                    static_cast<sal_uInt64>(TEST_FILE_SIZE), uFileSize);
+        }
+
+        CPPUNIT_TEST_SUITE(getFileSize);
+            CPPUNIT_TEST(getFileSize_001);
+            CPPUNIT_TEST(getFileSize_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    // testing the method
+    // inline OUString getFileName() const
+
+    class getFileName : public CppUnit::TestFixture
+    {
+    private:
+        OUString aTypeURL;
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            aTypeURL = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL, aTmpName2);
+            createTestFile(aTypeURL);
+            osl::FileBase::RC nError = DirectoryItem::get(aTypeURL, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+        }
+
+        void tearDown() override
+        {
+            deleteTestFile(aTypeURL);
+        }
+
+
+        void getFileName_001()
+        {
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            OUString aFileName = rFileStatus.getFileName();
+
+            CPPUNIT_ASSERT_MESSAGE("test for getFileName function: name compare with specify",
+                                    compareFileName(aFileName, aTmpName2));
+        }
+
+        CPPUNIT_TEST_SUITE(getFileName);
+            CPPUNIT_TEST(getFileName_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    // testing the method
+    // inline OUString getFileURL() const
+
+    class getFileURL : public CppUnit::TestFixture
+    {
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            createTestFile(aTmpName6);
+            osl::FileBase::RC nError = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+        }
+
+        void tearDown() override
+        {
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void getFileURL_001()
+        {
+            FileStatus   rFileStatus(osl_FileStatus_Mask_FileURL);
+            osl::FileBase::RC nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError);
+
+            OUString aFileURL = rFileStatus.getFileURL();
+
+            CPPUNIT_ASSERT_MESSAGE("test for getFileURL function: ",
+                                    compareFileName(aFileURL, aTmpName6));
+        }
+
+        CPPUNIT_TEST_SUITE(getFileURL);
+            CPPUNIT_TEST(getFileURL_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline OUString getLinkTargetURL() const
+
+    class getLinkTargetURL : public CppUnit::TestFixture
+    {
+    private:
+        OUString aTypeURL;
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            aTypeURL = aUserDirectoryURL.copy(0);
+            concatURL(aTypeURL, aTmpName2);
+            createTestFile(aTypeURL);
+        }
+
+        void tearDown() override
+        {
+            deleteTestFile(aTypeURL);
+        }
+
+        void getLinkTargetURL_001()
+        {
+#if 0
+#if (defined UNX) // Link file is not defined in Windows
+            // create a link file;
+            OUString aUStr_LnkFileSys(aTempDirectorySys), aUStr_SrcFileSys(aTempDirectorySys);
+            aUStr_LnkFileSys += aSlashURL + getCurrentPID() + "/link.file";
+            aUStr_SrcFileSys += aSlashURL + getCurrentPID() + "/tmpname";
+
+            OString strLinkFileName, strSrcFileName;
+            strLinkFileName = OUStringToOString(aUStr_LnkFileSys, RTL_TEXTENCODING_ASCII_US);
+            strSrcFileName  = OUStringToOString(aUStr_SrcFileSys, RTL_TEXTENCODING_ASCII_US);
+
+            sal_Int32 fd;
+            fd = symlink(strSrcFileName.getStr(), strLinkFileName.getStr());
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("in creating link file",  static_cast<sal_Int32>(0), fd);
+
+            // get linkTarget URL
+            auto nError = DirectoryItem::get(aLnkURL1, rItem);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("in getting link file item", osl::FileBase::E_None, nError);
+
+            FileStatus   rFileStatus(osl_FileStatus_Mask_LinkTargetURL);
+            nError = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("in getting link file status", osl::FileBase::E_None, nError);
+            OUString aFileURL = rFileStatus.getLinkTargetURL();
+
+            // remove link file
+            fd = remove(strLinkFileName.getStr());
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("in deleting link file",  static_cast<sal_Int32>(0), fd);
+
+            CPPUNIT_ASSERT_MESSAGE("test for getLinkTargetURL function: Solaris version, create a file, and a link file link to it, get its LinkTargetURL and compare",
+                                    compareFileName(aFileURL, aTypeURL));
+#endif
+#endif
+        }
+
+        CPPUNIT_TEST_SUITE(getLinkTargetURL);
+            CPPUNIT_TEST(getLinkTargetURL_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::ctors, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::isValid, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getFileType, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getAttributes, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getAccessTime, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getModifyTime, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getFileSize, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getFileName, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getFileURL, "osl_FileStatus");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_FileStatus::getLinkTargetURL, "osl_FileStatus");
+
+    CPPUNIT_REGISTRY_ADD_TO_DEFAULT("osl_FileStatus");
+}
+
+namespace osl_File
+{
+
+    //  testing the method
+    //  File(const OUString& ustrFileURL)
+
+    class ctors : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void ctors_001()
+        {
+            File testFile(aTmpName4);
+
+            osl::FileBase::RC nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            osl::FileBase::RC nError2 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: initialize a File and test its open and close",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: initialize a File and test its open and close",
+                                     osl::FileBase::E_None, nError2);
+        }
+
+        void ctors_002()
+        {
+            File testFile(aTmpName5);
+            char buffer[30] = "Test for File constructor";
+            sal_uInt64 nCount;
+
+            osl::FileBase::RC nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            osl::FileBase::RC nError2 = testFile.write(buffer, 30, nCount);
+            testFile.close();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: test relative file URL, this test show that relative file URL is also acceptable",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: test relative file URL, this test show that relative file URL is also acceptable",
+                                     osl::FileBase::E_None, nError2);
+        }
+
+        CPPUNIT_TEST_SUITE(ctors);
+            CPPUNIT_TEST(ctors_001);
+            CPPUNIT_TEST(ctors_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC open(sal_uInt32 uFlags)
+
+    class open : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void open_001()
+        {
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            auto nError2 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("close error", osl::FileBase::E_None, nError2);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: open a regular file",
+                                     osl::FileBase::E_None, nError1);
+        }
+
+        void open_002()
+        {
+            File testFile(aTmpName3);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read);
+
+            CPPUNIT_ASSERT_MESSAGE("test for open function: open a directory",
+                                     (File::E_INVAL == nError1) || (File::E_ACCES == nError1));
+        }
+
+        void open_003()
+        {
+            File testFile(aCanURL1);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: open a non-exist file",
+                                     File::E_NOENT, nError1);
+        }
+
+        void open_005()
+        {
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Create);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: create an exist file",
+                                     File::E_EXIST, nError1);
+        }
+
+        void open_006()
+        {
+            File testFile(aCanURL1);
+            char buffer_write[30] = "Test for File open";
+            char buffer_read[30];
+            sal_uInt64 nCount_write, nCount_read;
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write | osl_File_OpenFlag_Create);
+            auto nError2 = testFile.write(buffer_write, 30, nCount_write);
+            osl::FileBase::RC nError4 = testFile.setPos(osl_Pos_Absolut, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError4);
+            auto nError3 = testFile.read(buffer_read, 10, nCount_read);
+
+            osl::FileBase::RC nError5 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError5);
+            osl::FileBase::RC nError6 = osl::File::remove(aCanURL1);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError6);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: test for osl_File_OpenFlag_Read, osl_File_OpenFlag_Write and osl_File_OpenFlag_Create",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: test for osl_File_OpenFlag_Read, osl_File_OpenFlag_Write and osl_File_OpenFlag_Create",
+                                    osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: test for osl_File_OpenFlag_Read, osl_File_OpenFlag_Write and osl_File_OpenFlag_Create",
+                                    osl::FileBase::E_None, nError3);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: test for osl_File_OpenFlag_Read, osl_File_OpenFlag_Write and osl_File_OpenFlag_Create",
+                                    sal_uInt64(30), nCount_write);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: test for osl_File_OpenFlag_Read, osl_File_OpenFlag_Write and osl_File_OpenFlag_Create",
+                                    sal_uInt64(10), nCount_read);
+        }
+
+        CPPUNIT_TEST_SUITE(open);
+            CPPUNIT_TEST(open_001);
+            CPPUNIT_TEST(open_002);
+            CPPUNIT_TEST(open_003);
+            CPPUNIT_TEST(open_005);
+            CPPUNIT_TEST(open_006);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC close()
+
+    class close : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void close_001()
+        {
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            auto nError2 = testFile.close();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for close function: close a regular file",
+                                     osl::FileBase::E_None, nError2);
+        }
+
+        void close_002()
+        {
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            auto nError2 = testFile.close();
+
+            auto nError3 = testFile.setPos(osl_Pos_Absolut, 0);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for close function: manipulate a file after it has been closed",
+                                     osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_MESSAGE("test for close function: manipulate a file after it has been closed",
+                                    (osl::FileBase::E_None != nError3));
+        }
+
+        CPPUNIT_TEST_SUITE(close);
+            CPPUNIT_TEST(close_001);
+            CPPUNIT_TEST(close_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC setPos(sal_uInt32 uHow, sal_Int64 uPos)
+
+    class setPos : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void setPos_001()
+        {
+            File testFile(aTmpName4);
+            char buffer_read[2];
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.setPos(osl_Pos_Absolut, 26);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_read = 0;
+            nError1 = testFile.read(buffer_read, 1, nCount_read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setPos function: test for osl_Pos_Absolut, set the position to 26, test if the 26th char in file is correct",
+                                     pBuffer_Char[26], buffer_read[0]);
+        }
+
+        void setPos_002()
+        {
+            File testFile(aTmpName4);
+            char buffer_read[2];
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.setPos(osl_Pos_Absolut, sizeof(pBuffer_Char) - 2);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.setPos(osl_Pos_Current, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_read = 0;
+            nError1 = testFile.read(buffer_read, 1, nCount_read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setPos function: test for osl_Pos_Current, set the position to end, test if the (end -1) char in file is correct",
+                                     pBuffer_Char[sizeof(pBuffer_Char) - 2], buffer_read[0]);
+        }
+
+        void setPos_003()
+        {
+            File testFile(aTmpName4);
+            char buffer_read[2];
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // the file size is smaller than 100
+            nError1 = testFile.setPos(osl_Pos_End,  -100);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("should return error", osl::FileBase::E_INVAL, nError1);
+
+            nError1 = testFile.setPos(osl_Pos_End, -53);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_read = 0;
+            nError1 = testFile.read(buffer_read, 1, nCount_read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setPos function: test for osl_Pos_End, set the position to end, test if the first char in file is correct",
+                                     pBuffer_Char[0], buffer_read[0]);
+        }
+
+        CPPUNIT_TEST_SUITE(setPos);
+            CPPUNIT_TEST(setPos_001);
+            CPPUNIT_TEST(setPos_002);
+            CPPUNIT_TEST(setPos_003);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC getPos(sal_uInt64& uPos)
+
+    class getPos : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void getPos_001()
+        {
+            File testFile(aTmpName4);
+            sal_uInt64 nFilePointer;
+
+            auto nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_INVAL, nError1);
+
+            nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.setPos(osl_Pos_Absolut, 26);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getPos function: set the position to 26, get position and check if it is right",
+                                     static_cast<sal_uInt64>(26), nFilePointer);
+        }
+
+        CPPUNIT_TEST_SUITE(getPos);
+            CPPUNIT_TEST(getPos_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC isEndOfFile(sal_Bool *pIsEOF)
+
+    class isEndOfFile : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void isEndOfFile_001()
+        {
+            File testFile(aTmpName4);
+            sal_Bool bEOF  = false;
+            sal_Bool *pEOF = &bEOF;
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.setPos(osl_Pos_End, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.isEndOfFile(pEOF);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for isEndOfFile function: set the position to end, check if reach end",
+                                     *pEOF);
+        }
+
+        void isEndOfFile_002()
+        {
+            File testFile(aTmpName4);
+            sal_Bool bEOF  = false;
+            sal_Bool *pEOF = &bEOF;
+            sal_uInt64 nFilePointer = 0;
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.setPos(osl_Pos_Absolut, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            *pEOF = false;
+
+            while (!(*pEOF))
+            {
+                nError1 = testFile.isEndOfFile(pEOF);
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+                nError1 = testFile.setPos(osl_Pos_Current, 1);
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            }
+
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for isEndOfFile function: use isEndOfFile to move pointer step by step",
+                                      static_cast<sal_uInt64>(sizeof(pBuffer_Char) + 1), nFilePointer);
+        }
+        CPPUNIT_TEST_SUITE(isEndOfFile);
+            CPPUNIT_TEST(isEndOfFile_001);
+            CPPUNIT_TEST(isEndOfFile_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC setSize(sal_uInt64 uSize)
+
+    class setSize : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void setSize_001()
+        {
+            File testFile(aTmpName4);
+            sal_uInt64 nFilePointer;
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // enlarge the file to size of 100;
+            nError1 = testFile.setSize(100);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // get the file size;
+            nError1 = testFile.setPos(osl_Pos_End, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setSize function: enlarge the file ",
+                                     static_cast<sal_uInt64>(100), nFilePointer);
+        }
+
+        void setSize_002()
+        {
+            File testFile(aTmpName4);
+            sal_uInt64 nFilePointer;
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // enlarge the file to size of 100;
+            nError1 = testFile.setSize(10);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // get the file size;
+            nError1 = testFile.setPos(osl_Pos_End, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setSize function: truncate the file ",
+                                     static_cast<sal_uInt64>(10), nFilePointer);
+        }
+
+        CPPUNIT_TEST_SUITE(setSize);
+            CPPUNIT_TEST(setSize_001);
+            CPPUNIT_TEST(setSize_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC read(void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64& rBytesRead)
+
+    class read : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void read_001()
+        {
+            File testFile(aTmpName4);
+            sal_uInt64 nFilePointer;
+            char buffer_read[10];
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_read = 0;
+            nError1 = testFile.read(buffer_read, 10, nCount_read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for read function: read whole content in the file to a buffer",
+                                     sal_uInt64(10), nFilePointer);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for read function: read whole content in the file to a buffer",
+                                     0, strncmp(buffer_read, pBuffer_Char, 10));
+        }
+
+        void read_002()
+        {
+            File testFile(aTmpName4);
+            sal_uInt64 nFilePointer;
+            char buffer_read[26];
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.setPos(osl_Pos_Absolut, 26);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_read = 0;
+            nError1 = testFile.read(buffer_read, 26, nCount_read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for read function: read from a special position in the file",
+                                     sal_uInt64(52), nFilePointer);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for read function: read from a special position in the file",
+                                     sal_uInt64(26), nCount_read);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for read function: read from a special position in the file",
+                                     0, strncmp(buffer_read, &pBuffer_Char[26], 26));
+        }
+
+        CPPUNIT_TEST_SUITE(read);
+            CPPUNIT_TEST(read_001);
+            CPPUNIT_TEST(read_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC write(const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64& rBytesWritten)
+
+    class write : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void write_001()
+        {
+            File testFile(aTmpName6);
+            sal_uInt64 nFilePointer;
+            char buffer_read[10];
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            sal_uInt64 nCount_write = 0, nCount_read = 0;
+            // write chars into the file.
+            nError1 = testFile.write(pBuffer_Char, 10, nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // get the current pointer;
+            nError1 = testFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // reset pointer to the beginning;
+            nError1 = testFile.setPos(osl_Pos_Absolut, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.read(buffer_read, 10, nCount_read);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for write function: read whole content in the file to a buffer. Note, buffer size can not smaller than the read size",
+                                     sal_uInt64(10), nFilePointer);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for write function: read whole content in the file to a buffer. Note, buffer size can not smaller than the read size",
+                                    0, strncmp(buffer_read, pBuffer_Char, 10));
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for write function: read whole content in the file to a buffer. Note, buffer size can not smaller than the read size",
+                                    sal_uInt64(10), nCount_write);
+        }
+
+        CPPUNIT_TEST_SUITE(write);
+            CPPUNIT_TEST(write_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC readLine(::ByteSequence& aSeq)
+
+    class readLine : public CppUnit::TestFixture
+    {
+        rtl::ByteSequence aSequence;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpname.
+            createTestFile(aTmpName6);
+
+            // write some strings into the file.
+            File testFile(aTmpName6);
+            char ppStrSeq[3][27]  =  { "abcde\n",
+                                        "1234567890\n",
+                                        "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                      };
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            sal_uInt64 nCount_write = 0;
+            for (int nCount = 0; nCount < 3; nCount++)
+            {
+                nError1 = testFile.write(ppStrSeq[nCount], strlen(ppStrSeq[nCount]), nCount_write);
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            }
+
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void readLine_001()
+        {
+            File testFile(aTmpName6);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.readLine(aSequence);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for readLine function: read the first line of the file.",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for readLine function: read the first line of the file.",
+                                    0, strncmp(reinterpret_cast<char *>(aSequence.getArray()), pBuffer_Char, 5));
+        }
+
+        void readLine_002()
+        {
+            File testFile(aTmpName6);
+            sal_Bool bEOF  = false;
+            sal_Bool *pEOF = &bEOF;
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            for (int nCount = 0; nCount < 3; nCount++)
+            {
+                nError1 = testFile.readLine(aSequence);
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            }
+            nError1 = testFile.isEndOfFile(pEOF);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for readLine function: read three lines of the file and check the file pointer moving.",
+                                     *pEOF);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for readLine function: read three lines of the file and check the file pointer moving.",
+                                    0, strncmp(reinterpret_cast<char *>(aSequence.getArray()), &pBuffer_Char[26], 26));
+        }
+        CPPUNIT_TEST_SUITE(readLine);
+            CPPUNIT_TEST(readLine_001);
+            CPPUNIT_TEST(readLine_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC copy(const OUString& ustrSourceFileURL, const OUString& ustrDestFileURL)
+
+    class copy : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void copy_001()
+        {
+            File    testFile(aTmpName6);
+
+            // copy $TEMP/tmpdir/tmpname to $TEMP/tmpname.
+            auto nError1 = File::copy(aTmpName4, aTmpName6);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // check
+            nError1 = testFile.open(osl_File_OpenFlag_Create);
+            deleteTestFile(aTmpName6);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for copy function: copy file to upper directory",
+                                     osl::FileBase::E_EXIST, nError1);
+        }
+
+        void copy_002()
+        {
+            // copy $TEMP/tmpdir/tmpname to $TEMP/tmpdir.
+            auto nError1 = File::copy(aTmpName4, aTmpName3);
+
+            CPPUNIT_ASSERT_MESSAGE("test for copy function: use directory as destination",
+                                     (osl::FileBase::E_ISDIR == nError1) ||(osl::FileBase::E_ACCES == nError1));
+        }
+
+        void copy_003()
+        {
+#if 0
+            // copy $TEMP/tmpdir/tmpname to $ROOT/tmpname.
+            auto nError1 = File::copy(aTmpName4, aTmpName7);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for copy function: copy to an illegal place",
+                                     osl::FileBase::E_ACCES, nError1);
+#endif
+        }
+
+        void copy_004()
+        {
+            // copy $TEMP/tmpname to $TEMP/tmpdir/tmpname.
+            auto nError1 = File::copy(aTmpName6, aTmpName4);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for copy function: copy a not exist file",
+                                     osl::FileBase::E_NOENT, nError1);
+        }
+
+        void copy_005()
+        {
+            // copy $TEMP/tmpname to $TEMP/system.path using system path.
+            auto nError1 = File::copy(aTmpName6, aSysPath1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for copy function: copy a file using system file path",
+                                     osl::FileBase::E_INVAL, nError1);
+        }
+
+        void copy_006()
+        {
+            createTestFile(aTmpName6);
+            File tmpFile(aTmpName6);
+            tmpFile.open(osl_File_OpenFlag_Write | osl_File_OpenFlag_Read);
+            tmpFile.setSize(200);
+            tmpFile.close();
+            // copy to new path
+            auto nError1 = File::copy(aTmpName6, aTmpName4);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // check if is the new file
+            File newFile(aTmpName4);
+            newFile.open(osl_File_OpenFlag_Write | osl_File_OpenFlag_Read);
+            nError1 = newFile.setPos(osl_Pos_End, 0);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            sal_uInt64 nFilePointer;
+            nError1 = newFile.getPos(nFilePointer);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            newFile.close();
+            deleteTestFile(aTmpName6);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for copy function: the dest file exist",
+                        static_cast<sal_uInt64>(200), nFilePointer);
+        }
+
+        CPPUNIT_TEST_SUITE(copy);
+            CPPUNIT_TEST(copy_001);
+            CPPUNIT_TEST(copy_002);
+            CPPUNIT_TEST(copy_003);
+            CPPUNIT_TEST(copy_004);
+            CPPUNIT_TEST(copy_005);
+            CPPUNIT_TEST(copy_006);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC move(const OUString& ustrSourceFileURL, const OUString& ustrDestFileURL)
+
+    class move : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void move_001()
+        {
+            // rename $TEMP/tmpdir/tmpname to $TEMP/canonical.name.
+            auto nError1 = File::move(aTmpName4, aCanURL1);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // check
+            File  testFile(aCanURL1);
+            auto nError2 = testFile.open(osl_File_OpenFlag_Create);
+            deleteTestFile(aCanURL1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: rename file to another directory",
+                                     osl::FileBase::E_EXIST, nError2);
+        }
+
+        void move_002()
+        {
+#ifdef _WIN32
+            // move $TEMP/tmpdir/tmpname to $TEMP/tmpdir.
+            auto nError1 = File::move(aTmpName4, aTmpName3);
+            // returned osl::FileBase::E_ACCES on WNT
+            CPPUNIT_ASSERT_MESSAGE("test for move function: use directory as destination",
+                 (osl::FileBase::E_ACCES == nError1 || osl::FileBase::E_ISDIR == nError1) ||(osl::FileBase::E_EXIST == nError1));
+#endif
+        }
+
+        void move_003()
+        {
+#if 0
+            // move $TEMP/tmpdir/tmpname to $ROOT/tmpname.
+            auto nError1 = File::move(aTmpName4, aTmpName7);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move to an illegal place",
+                                     osl::FileBase::E_ACCES, nError1);
+#endif
+        }
+
+        void move_004()
+        {
+            // move $TEMP/tmpname to $TEMP/tmpdir/tmpname.
+            auto nError1 = File::move(aTmpName6, aTmpName4);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move a not exist file",
+                                     osl::FileBase::E_NOENT, nError1);
+        }
+
+        void move_005()
+        {
+            // move $TEMP/tmpname to $TEMP/system.path using system path.
+            auto nError1 = File::move(aTmpName6, aSysPath1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move a file using system file",
+                                     osl::FileBase::E_INVAL, nError1);
+        }
+
+        void move_006()
+        {
+            // move directory $TEMP/tmpname to $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName6);
+            auto nError1 = File::move(aTmpName6, aTmpName4);
+            // move file $TEMP/tmpdir/tmpname to $TEMP/tmpname
+            auto nError2 = File::move(aTmpName4, aTmpName6);
+            deleteTestDirectory(aTmpName6);
+#if defined(_WIN32)
+            deleteTestDirectory(aTmpName4);// in Windows, it can be moved!!!!! this is only for not influence the following test.
+            deleteTestFile(aTmpName6);
+            nError1 = osl::FileBase::E_NOTDIR;
+            nError2 = osl::FileBase::E_ISDIR;
+#endif
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move a directory to an exist file with same name, did not pass in (W32)",
+                                     osl::FileBase::E_NOTDIR, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move a directory to an exist file with same name, did not pass in (W32)",
+                                     osl::FileBase::E_ISDIR, nError2);
+        }
+
+        void move_007()
+        {
+            // create directory $TEMP/tmpname.
+            createTestDirectory(aTmpName6);
+            // move directory $TEMP/tmpdir to $TEMP/tmpname/tmpdir
+            auto nError1 = File::move(aTmpName3, aTmpName8);
+            // check
+            auto nError2 = Directory::create(aTmpName8);
+            File::move(aTmpName8, aTmpName3);
+            deleteTestDirectory(aTmpName6);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move a directory to an exist file with same name",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for move function: move a directory to an exist file with same name",
+                                    osl::FileBase::E_EXIST, nError2);
+        }
+
+        // bugid# 115420, after the bug fix, add the case
+        CPPUNIT_TEST_SUITE(move);
+            CPPUNIT_TEST(move_001);
+            CPPUNIT_TEST(move_002);
+            CPPUNIT_TEST(move_003);
+            CPPUNIT_TEST(move_004);
+            CPPUNIT_TEST(move_005);
+            CPPUNIT_TEST(move_006);
+            CPPUNIT_TEST(move_007);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC remove(const OUString& ustrFileURL)
+
+    class remove : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+
+            // write chars into the file.
+            File testFile(aTmpName4);
+
+            auto nError1 = testFile.open(osl_File_OpenFlag_Write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            sal_uInt64 nCount_write = 0;
+            nError1 = testFile.write(pBuffer_Char, sizeof(pBuffer_Char), nCount_write);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            nError1 = testFile.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void remove_001()
+        {
+            // remove $TEMP/tmpdir/tmpname.
+            auto nError1 = File::remove(aTmpName4);
+            // check
+            File    testFile(aTmpName4);
+            auto nError2 = testFile.open(osl_File_OpenFlag_Create);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: remove a file",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_MESSAGE("test for remove function: remove a file",
+                                     (osl::FileBase::E_EXIST != nError2));
+        }
+
+        void remove_002()
+        {
+            // remove $TEMP/tmpname.
+            auto nError1 = File::remove(aTmpName6);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: remove a file not exist",
+                                    osl::FileBase::E_NOENT, nError1);
+        }
+
+        void remove_003()
+        {
+            // remove $TEMP/system/path.
+            auto nError1 = File::remove(aSysPath2);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: removing a file not using full qualified URL",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        void remove_004()
+        {
+            // remove $TEMP/tmpdir.
+            auto nError1 = File::remove(aTmpName3);
+
+            CPPUNIT_ASSERT_MESSAGE("test for remove function: remove a directory",
+                                    (osl::FileBase::E_ISDIR == nError1) || (osl::FileBase::E_ACCES == nError1));
+        }
+
+        CPPUNIT_TEST_SUITE(remove);
+            CPPUNIT_TEST(remove_001);
+            CPPUNIT_TEST(remove_002);
+            CPPUNIT_TEST(remove_003);
+            CPPUNIT_TEST(remove_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC setAttributes(const OUString& ustrFileURL, sal_uInt64 uAttributes)
+
+    class setAttributes : public CppUnit::TestFixture
+    {
+    private:
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void setAttributes_001()
+        {
+        // on windows, only can set 2 attributes: osl_File_Attribute_ReadOnly,  osl_File_Attribute_Hidden
+#ifdef UNX
+            // set the file to readonly
+            auto nError2 = File::setAttributes(aTmpName6, osl_File_Attribute_ReadOnly | osl_File_Attribute_GrpRead | osl_File_Attribute_OwnRead | osl_File_Attribute_OthRead);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // get the file attributes
+            FileStatus   rFileStatus(osl_FileStatus_Mask_Attributes);
+            nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            if (geteuid() == 0) // as root, access(W_OK) may be true despite mode
+            {
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setAttributes function: set file attributes and get it to verify.",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_GrpRead | osl_File_Attribute_OwnRead | osl_File_Attribute_OthRead),
+                                    rFileStatus.getAttributes());
+            }
+            else
+            {
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("test for setAttributes function: set file attributes and get it to verify.",
+                                    static_cast<sal_uInt64>(osl_File_Attribute_ReadOnly | osl_File_Attribute_GrpRead | osl_File_Attribute_OwnRead | osl_File_Attribute_OthRead),
+                                    rFileStatus.getAttributes());
+            }
+#else
+            // please see GetFileAttributes
+            auto nError2 = File::setAttributes(aTmpName6, osl_File_Attribute_ReadOnly);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // get the file attributes
+            FileStatus   rFileStatus(osl_FileStatus_Mask_Attributes);
+            nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // here the file has 2 Attributes: FILE_ATTRIBUTE_READONLY and FILE_ATTRIBUTE_NORMAL,
+            // but FILE_ATTRIBUTE_NORMAL is valid only if used alone, so this is maybe a bug
+            /*OString aString = OUStringToOString(aTmpName6, RTL_TEXTENCODING_ASCII_US);
+            DWORD dwFileAttributes = GetFileAttributes(aString.getStr());
+            if (dwFileAttributes & FILE_ATTRIBUTE_NORMAL)
+                printf("has normal attribute");
+            if (dwFileAttributes & FILE_ATTRIBUTE_READONLY)
+                printf("has readonly attribute");
+            */
+            CPPUNIT_ASSERT_MESSAGE("test for setAttributes function: set file attributes READONLY and get it to verify.",
+                                    (osl_File_Attribute_ReadOnly & rFileStatus.getAttributes()) != 0);
+#endif
+    }
+        void setAttributes_002()
+        {
+        // on UNX, can not set hidden attribute to file, rename file can set the attribute
+#ifdef _WIN32
+            // set the file to hidden
+            auto nError2 = File::setAttributes(aTmpName6, osl_File_Attribute_Hidden);
+
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // get the file attributes
+            FileStatus rFileStatus(osl_FileStatus_Mask_Attributes);
+            nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for setAttributes function: set file attributes and get it to verify.",
+                                    (osl_File_Attribute_Hidden & rFileStatus.getAttributes()) != 0);
+#endif
+        }
+
+        CPPUNIT_TEST_SUITE(setAttributes);
+            CPPUNIT_TEST(setAttributes_001);
+            CPPUNIT_TEST(setAttributes_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC setTime(
+    //         const OUString& ustrFileURL,
+    //         const TimeValue& rCreationTime,
+    //         const TimeValue& rLastAccessTime,
+    //         const TimeValue& rLastWriteTime)
+
+    class setTime : public CppUnit::TestFixture
+    {
+    private:
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void setTime_001()
+        {
+            TimeValue *pTV_current  = nullptr;
+            CPPUNIT_ASSERT((pTV_current = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+            TimeValue *pTV_creation = nullptr;
+            CPPUNIT_ASSERT((pTV_creation = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+            TimeValue *pTV_access   = nullptr;
+            CPPUNIT_ASSERT((pTV_access = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+            TimeValue *pTV_modify   = nullptr;
+            CPPUNIT_ASSERT((pTV_modify = static_cast<TimeValue*>(malloc(sizeof(TimeValue)))) != nullptr);
+
+            // get current time
+            bool bOk = osl_getSystemTime(pTV_current);
+            CPPUNIT_ASSERT(bOk);
+
+            // set the file time
+            auto nError2 = File::setTime(aTmpName6, *pTV_current, *pTV_current, *pTV_current);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError2).getStr(), osl::FileBase::E_None, nError2);
+
+             // get the file access time, creation time, modify time
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError1).getStr(), osl::FileBase::E_None, nError1);
+
+            FileStatus   rFileStatus(osl_FileStatus_Mask_AccessTime);
+            nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError1).getStr(), osl::FileBase::E_None, nError1);
+            *pTV_access = rFileStatus.getAccessTime();
+
+            FileStatus   rFileStatus1(osl_FileStatus_Mask_CreationTime);
+            nError1 = rItem.getFileStatus(rFileStatus1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError1).getStr(), osl::FileBase::E_None, nError1);
+            *pTV_creation = rFileStatus1.getCreationTime();
+
+            FileStatus   rFileStatus2(osl_FileStatus_Mask_ModifyTime);
+            nError1 = rItem.getFileStatus(rFileStatus2);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(errorToStr(nError1).getStr(), osl::FileBase::E_None, nError1);
+            *pTV_modify = rFileStatus2.getModifyTime();
+
+            CPPUNIT_ASSERT_MESSAGE("test for setTime function: set access time then get it. time precision is still a problem for it cut off the nanosec.",
+                t_compareTime(pTV_access, pTV_current, delta));
+#if defined(_WIN32)
+            // Unfortunately there is no way to get the creation time of a file under Unix (it's a Windows only feature).
+            // That means the flag osl_FileStatus_Mask_CreationTime should be deprecated under Unix.
+            CPPUNIT_ASSERT_MESSAGE("test for setTime function: set creation time then get it. ",
+                t_compareTime(pTV_creation, pTV_current, delta));
+#endif
+            CPPUNIT_ASSERT_MESSAGE("test for setTime function: set modify time then get it. ",
+                t_compareTime(pTV_modify, pTV_current, delta));
+            free(pTV_current);
+            free(pTV_creation);
+            free(pTV_access);
+            free(pTV_modify);
+        }
+
+        CPPUNIT_TEST_SUITE(setTime);
+            CPPUNIT_TEST(setTime_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC sync()
+
+    class sync : public CppUnit::TestFixture
+    {
+    private:
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestFile(aTmpName6);
+
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+        // test case: if The file is located on a read only file system.
+        void sync_001()
+        {
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            File tmp_file(aTmpName6);
+            osl::FileBase::RC err = tmp_file.open(osl_File_OpenFlag_Write);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("File open failed", osl::FileBase::E_None, err);
+
+            char buffer[50000];
+            sal_uInt64 written = 0;
+            nError1 = tmp_file.write(static_cast<void*>(buffer), sizeof(buffer), written);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("write failed!", osl::FileBase::E_None, nError1);
+
+            // set the file to readonly
+            auto nError2 = File::setAttributes(aTmpName6, osl_File_Attribute_ReadOnly | osl_File_Attribute_GrpRead | osl_File_Attribute_OwnRead | osl_File_Attribute_OthRead);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+
+            nError2 = tmp_file.sync();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("can not sync to readonly file!", osl::FileBase::E_None, nError2);
+
+            tmp_file.close();
+        }
+      // test case:no enough space, how to create such case???see test_cpy_wrt_file.cxx::test_osl_writeFile
+
+        CPPUNIT_TEST_SUITE(sync);
+            CPPUNIT_TEST(sync_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::ctors, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::open, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::close, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::setPos, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::getPos, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::isEndOfFile, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::setSize, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::read, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::write, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::readLine, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::copy, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::move, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::remove, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::setAttributes, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::setTime, "osl_File");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_File::sync, "osl_File");
+
+    CPPUNIT_REGISTRY_ADD_TO_DEFAULT("osl_File");
+}
+
+// Beginning of the test cases for DirectoryItem class
+
+namespace osl_DirectoryItem
+{
+    //  testing the method
+    //  DirectoryItem(): _pData(NULL)
+
+    class ctors : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+        void ctors_001()
+        {
+            File testFile(aTmpName6);
+            DirectoryItem rItem;  // constructor
+
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: initialize a new instance of DirectoryItem and get an item to check.",
+                                      osl::FileBase::E_None, nError1);
+        }
+
+        CPPUNIT_TEST_SUITE(ctors);
+            CPPUNIT_TEST(ctors_001);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  DirectoryItem(const DirectoryItem& rItem): _pData(rItem._pData)
+
+    class copy_assin_Ctors : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void copy_assin_Ctors_001()
+        {
+            DirectoryItem rItem;  // constructor
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            DirectoryItem copyItem(rItem); // copy constructor
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+            nError1 = copyItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for copy_assin_Ctors function: use copy constructor to get an item and check filename.",
+                                    compareFileName(rFileStatus.getFileName(), aTmpName2));
+        }
+
+        void copy_assin_Ctors_002()
+        {
+            DirectoryItem rItem;  // constructor
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            DirectoryItem copyItem;
+            copyItem = rItem;               // assignment operator
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+            nError1 = copyItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for copy_assin_Ctors function: test assignment operator here since it is same as copy constructor in test way.",
+                                    compareFileName(rFileStatus.getFileName(), aTmpName2));
+        }
+
+        CPPUNIT_TEST_SUITE(copy_assin_Ctors);
+            CPPUNIT_TEST(copy_assin_Ctors_001);
+            CPPUNIT_TEST(copy_assin_Ctors_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline sal_Bool is()
+
+    class is : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+        void is_001()
+        {
+            DirectoryItem rItem;  // constructor
+
+            CPPUNIT_ASSERT_MESSAGE("test for is function: use an uninitialized instance.",
+                                    !rItem.is());
+        }
+
+        void is_002()
+        {
+            DirectoryItem    rItem;  // constructor
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for is function: use an uninitialized instance.",
+                                    rItem.is());
+        }
+
+        CPPUNIT_TEST_SUITE(is);
+            CPPUNIT_TEST(is_001);
+            CPPUNIT_TEST(is_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  static inline RC get(const OUString& ustrFileURL, DirectoryItem& rItem)
+
+    class get : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpname.
+            createTestFile(aTmpName6);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpname.
+            deleteTestFile(aTmpName6);
+        }
+
+
+        void get_001()
+        {
+            DirectoryItem rItem;
+            auto nError2 = DirectoryItem::get(aTmpName6, rItem);
+
+            // check the file name
+            FileStatus   rFileStatus(osl_FileStatus_Mask_FileName);
+            auto nError1 = rItem.getFileStatus(rFileStatus);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for get function: use copy constructor to get an item and check filename.",
+                                    osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_MESSAGE("test for get function: use copy constructor to get an item and check filename.",
+                                    compareFileName(rFileStatus.getFileName(), aTmpName2));
+        }
+
+        void get_002()
+        {
+            DirectoryItem rItem;
+            auto nError1 = DirectoryItem::get(aSysPath1, rItem);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for get function: use a system name instead of a URL.",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        void get_003()
+        {
+            DirectoryItem rItem;
+
+            auto nError1 = DirectoryItem::get(aTmpName3, rItem);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for get function: use a non existed file URL.",
+                                    osl::FileBase::E_NOENT, nError1);
+        }
+
+        CPPUNIT_TEST_SUITE(get);
+            CPPUNIT_TEST(get_001);
+            CPPUNIT_TEST(get_002);
+            CPPUNIT_TEST(get_003);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC getFileStatus(FileStatus& rStatus)
+
+    class getFileStatus : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void getFileStatus_001()
+        {
+            DirectoryItem rItem;
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName4, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // check the file name
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+            auto nError2 = rItem.getFileStatus(rFileStatus);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getFileStatus function: get file status and check filename",
+                                    osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_MESSAGE("test for getFileStatus function: get file status and check filename",
+                                    compareFileName(rFileStatus.getFileName(), aTmpName2));
+        }
+
+        void getFileStatus_002()
+        {
+            DirectoryItem rItem;  // constructor
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName6, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_NOENT, nError1);
+
+            // check the file name
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+            auto nError2 = rItem.getFileStatus(rFileStatus);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getFileStatus function: file not existed",
+                                    osl::FileBase::E_INVAL, nError2);
+        }
+
+        void getFileStatus_003()
+        {
+            DirectoryItem    rItem;  // constructor
+             // get the DirectoryItem.
+            auto nError1 = DirectoryItem::get(aTmpName3, rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // check the file name
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+            auto nError2 = rItem.getFileStatus(rFileStatus);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getFileStatus function: get directory information",
+                                    osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_MESSAGE("test for getFileStatus function: get directory information",
+                                    compareFileName(rFileStatus.getFileName(), aTmpName1));
+        }
+
+        CPPUNIT_TEST_SUITE(getFileStatus);
+            CPPUNIT_TEST(getFileStatus_001);
+            CPPUNIT_TEST(getFileStatus_002);
+            CPPUNIT_TEST(getFileStatus_003);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_DirectoryItem::ctors, "osl_DirectoryItem");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_DirectoryItem::copy_assin_Ctors, "osl_DirectoryItem");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_DirectoryItem::is, "osl_DirectoryItem");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_DirectoryItem::get, "osl_DirectoryItem");
+    CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(osl_DirectoryItem::getFileStatus, "osl_DirectoryItem");
+
+    CPPUNIT_REGISTRY_ADD_TO_DEFAULT("osl_DirectoryItem");
+}
+
+// Beginning of the test cases for Directory class
+
+namespace osl_Directory
+{
+    //  testing the method
+    //  Directory(const OUString& strPath): _pData(0), _aPath(strPath)
+
+    class ctors : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+            // LLA: t_print("tearDown done.\n");
+        }
+
+
+        void ctors_001()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // close a directory
+            auto nError2 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: create an instance and check open and close",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: create an instance and check open and close",
+                                    osl::FileBase::E_None, nError2);
+        }
+
+        void ctors_002()
+        {
+            Directory testDirectory(aTmpName9); // constructor
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // close a directory
+            auto nError2 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: relative URL, :-), it is also worked",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for ctors function: relative URL, :-), it is also worked",
+                                    osl::FileBase::E_None, nError2);
+        }
+
+        CPPUNIT_TEST_SUITE(ctors);
+            CPPUNIT_TEST(ctors_001);
+            CPPUNIT_TEST(ctors_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC open()
+
+    class open : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void open_001()
+        {
+            Directory testDirectory(aTmpName3);
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            // check if directory is opened.
+            bool bOk = testDirectory.isOpen();
+            // close a directory
+            auto nError2 = testDirectory.close();
+
+            CPPUNIT_ASSERT_MESSAGE("test for open function: open a directory and check for open",
+                                    bOk);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: open a directory and check for open",
+                                     osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: open a directory and check for open",
+                                    osl::FileBase::E_None, nError2);
+        }
+
+        void open_002()
+        {
+            Directory testDirectory(aTmpName6);
+
+            auto nError1 = testDirectory.open();
+            if (nError1 == osl::FileBase::E_None)
+            {
+                auto nError2 = testDirectory.close();
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            }
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: open a file that is not existed",
+                                     osl::FileBase::E_NOENT, nError1);
+        }
+
+        void open_003()
+        {
+            Directory testDirectory(aUserDirectorySys);
+
+            auto nError1 = testDirectory.open();
+            if (nError1 == osl::FileBase::E_None)
+            {
+                auto nError2 = testDirectory.close();
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            }
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for open function: using system path",
+                                     osl::FileBase::E_INVAL, nError1);
+        }
+
+        void open_004()
+        {
+            Directory testDirectory(aTmpName4);
+
+            auto nError1 = testDirectory.open();
+            if (nError1 == osl::FileBase::E_None)
+            {
+                auto nError2 = testDirectory.close();
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            }
+
+            CPPUNIT_ASSERT_MESSAGE("test for open function: open a file instead of a directory",
+                                     (osl::FileBase::E_NOTDIR == nError1) || (osl::FileBase::E_ACCES == nError1));
+        }
+
+        CPPUNIT_TEST_SUITE(open);
+            CPPUNIT_TEST(open_001);
+            CPPUNIT_TEST(open_002);
+            CPPUNIT_TEST(open_003);
+            CPPUNIT_TEST(open_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline sal_Bool isOpen() { return _pData != NULL; };
+
+    class isOpen : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempfile in $TEMP/tmpdir/tmpname.
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+        }
+
+        void tearDown() override
+        {
+            // remove the tempfile in $TEMP/tmpdir/tmpname.
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void isOpen_001()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // check if directory is opened.
+            bool bOk = testDirectory.isOpen();
+            // close a directory
+            auto nError2 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_MESSAGE("test for isOpen function: open a directory and check for open",
+                                    bOk);
+        }
+
+        void isOpen_002()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+
+            // check if directory is opened.
+            bool bOk = testDirectory.isOpen();
+
+            CPPUNIT_ASSERT_MESSAGE("test for isOpen function: do not open a directory and check for open",
+                                    !bOk);
+        }
+
+        CPPUNIT_TEST_SUITE(isOpen);
+            CPPUNIT_TEST(isOpen_001);
+            CPPUNIT_TEST(isOpen_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC close()
+
+    class close : public CppUnit::TestFixture
+    {
+    public:
+        void setUp() override
+        {
+            // create a tempdirectory : $TEMP/tmpdir.
+            createTestDirectory(aTmpName3);
+        }
+
+        void tearDown() override
+        {
+            // remove a tempdirectory : $TEMP/tmpdir.
+            deleteTestDirectory(aTmpName3);
+        }
+
+        void close_001()
+        {
+            Directory testDirectory(aTmpName3);
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // close a directory
+            auto nError2 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            // check if directory is opened.
+            bool bOk = testDirectory.isOpen();
+
+            CPPUNIT_ASSERT_MESSAGE("test for isOpen function: close a directory and check for open",
+                                    !bOk);
+        }
+
+        void close_002()
+        {
+            Directory testDirectory(aTmpName3);
+
+            // close a directory
+            auto nError1 = testDirectory.close();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for isOpen function: close a not opened directory",
+                                    osl::FileBase::E_BADF, nError1);
+        }
+
+        CPPUNIT_TEST_SUITE(close);
+            CPPUNIT_TEST(close_001);
+            CPPUNIT_TEST(close_002);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC reset()
+
+    class reset : public CppUnit::TestFixture
+    {
+    private:
+        DirectoryItem    rItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempdirectory : $TEMP/tmpdir.
+            createTestDirectory(aTmpName3);
+            // create three files : $TEMP/tmpdir/tmpname, $TEMP/tmpdir/tmpdir, $TEMP/tmpdir/hiddenfile,
+            createTestFile(aTmpName3, aTmpName2);
+            createTestFile(aTmpName3, aTmpName1);
+            createTestFile(aTmpName3, aHidURL1);
+        }
+
+        void tearDown() override
+        {
+            // remove three files : $TEMP/tmpdir/tmpname, $TEMP/tmpdir/tmpdir, $TEMP/tmpdir/hiddenfile,
+            deleteTestFile(aTmpName3, aHidURL1);
+            deleteTestFile(aTmpName3, aTmpName1);
+            deleteTestFile(aTmpName3, aTmpName2);
+            // remove a tempdirectory : $TEMP/tmpdir.
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void reset_001()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // get first Item
+            nError1 = testDirectory.getNextItem(rItem, 1);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // check the file name of first Item
+            FileStatus   rFileStatusFirst(osl_FileStatus_Mask_FileName);
+            nError1 = rItem.getFileStatus(rFileStatusFirst);
+
+            // get second Item
+            // mindy: nError1 = testDirectory.getNextItem(rItem, 0);
+            // mindy: CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // reset enumeration
+            auto nError2 = testDirectory.reset();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError2);
+            // get reset Item, if reset does not work, getNextItem() should return the second Item (aTmpName1)
+            nError1 = testDirectory.getNextItem(rItem);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // check the file name again
+            FileStatus   rFileStatus(osl_FileStatus_Mask_FileName);
+            nError1 = rItem.getFileStatus(rFileStatus);
+            // close a directory
+            nError1 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            bool bOK1,bOK2,bOK3;
+            bOK1 = compareFileName(rFileStatus.getFileName(), aTmpName2);
+            bOK2 = compareFileName(rFileStatus.getFileName(), aHidURL1);
+            bOK3 = compareFileName(rFileStatus.getFileName(), rFileStatusFirst.getFileName());
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for reset function: get two directory item, reset it, then get again, check the filename",
+                                    osl::FileBase::E_None, nError2);
+            CPPUNIT_ASSERT_MESSAGE("test for reset function: get two directory item, reset it, then get again, check the filename",
+                                    (bOK1 || bOK2 || bOK3));
+        }
+
+        void reset_002()
+        {
+            Directory testDirectory(aTmpName6); // constructor
+
+            // close a directory
+            auto nError1 = testDirectory.reset();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for reset function: reset a non existed directory",
+                                    osl::FileBase::E_NOENT, nError1);
+        }
+
+        void reset_003()
+        {
+            Directory testDirectory(aTmpName4); // constructor
+
+            // close a directory
+            auto nError1 = testDirectory.reset();
+
+            CPPUNIT_ASSERT_MESSAGE("test for reset function: reset a file instead of a directory",
+                                    (osl::FileBase::E_NOTDIR == nError1) || (osl::FileBase::E_NOENT == nError1));
+        }
+
+        void reset_004()
+        {
+            Directory testDirectory(aUserDirectorySys); // constructor
+
+            // close a directory
+            auto nError1 = testDirectory.reset();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for reset function: use a system path",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        CPPUNIT_TEST_SUITE(reset);
+            CPPUNIT_TEST(reset_001);
+            CPPUNIT_TEST(reset_002);
+            CPPUNIT_TEST(reset_003);
+            CPPUNIT_TEST(reset_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline RC getNextItem(DirectoryItem& rItem, sal_uInt32 nHint = 0)
+
+    class getNextItem : public CppUnit::TestFixture
+    {
+    private:
+        DirectoryItem rItem;
+
+    public:
+        void setUp() override
+        {
+            // create a tempdirectory : $TEMP/tmpdir.
+            createTestDirectory(aTmpName3);
+            // create three files : $TEMP/tmpdir/tmpname, $TEMP/tmpdir/tmpdir, $TEMP/tmpdir/hiddenfile,
+            createTestFile(aTmpName3, aTmpName2);
+            createTestFile(aTmpName3, aTmpName1);
+            createTestFile(aTmpName3, aHidURL1);
+
+        }
+
+        void tearDown() override
+        {
+            // remove three files : $TEMP/tmpdir/tmpname, $TEMP/tmpdir/tmpdir, $TEMP/tmpdir/hiddenfile,
+            deleteTestFile(aTmpName3, aHidURL1);
+            deleteTestFile(aTmpName3, aTmpName1);
+            deleteTestFile(aTmpName3, aTmpName2);
+            // remove a tempdirectory : $TEMP/tmpdir.
+            deleteTestDirectory(aTmpName3);
+        }
+
+
+        void getNextItem_001()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            // check the file name
+            bool bOk1 = false;
+            bool bOk2 = false;
+            bool bOk3 = false;
+            FileStatus rFileStatus(osl_FileStatus_Mask_FileName);
+
+            for (int nCount = 0; nCount < 3; nCount++)
+            {
+                // get three Items
+                nError1 = testDirectory.getNextItem(rItem, 2);
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+                nError1 = rItem.getFileStatus(rFileStatus);
+                CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+                // a special order is not guaranteed. So any file may occur on any time.
+                // But every file name should occur only once.
+                if (!bOk1 && compareFileName(rFileStatus.getFileName(), aTmpName1))
+                {
+                    bOk1 = true;
+                }
+
+                if (!bOk2 && compareFileName(rFileStatus.getFileName(), aTmpName2))
+                {
+                    bOk2 = true;
+                }
+
+                if (!bOk3 && compareFileName(rFileStatus.getFileName(), aHidURL1))
+                {
+                    bOk3 = true;
+                }
+            }
+
+            // close a directory
+            nError1 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_MESSAGE("test for getNextItem function: retrieve three items and check their names.",
+                                    bOk1);
+            CPPUNIT_ASSERT_MESSAGE("test for getNextItem function: retrieve three items and check their names.",
+                                    bOk2);
+            CPPUNIT_ASSERT_MESSAGE("test for getNextItem function: retrieve three items and check their names.",
+                                    bOk3);
+        }
+
+        void getNextItem_002()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+            auto nError1 = testDirectory.getNextItem(rItem);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getNextItem function: retrieve an item in a directory which is not opened, also test for nHint's default value.",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        void getNextItem_003()
+        {
+            Directory testDirectory(aTmpName3); // constructor
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            osl::FileBase::RC nError2 = osl::FileBase::E_None;
+            for (int nCount = 0; nCount < 4; nCount++)
+            {
+                nError2 = testDirectory.getNextItem(rItem, 3);
+            }
+
+            // close a directory
+            nError1 = testDirectory.close();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getNextItem function: retrieve 4 times in a directory which contain only 3 files.",
+                                    osl::FileBase::E_NOENT, nError2);
+        }
+
+        void getNextItem_004()
+        {
+        // create a link file(can not on Windows), then check if getNextItem can get it.
+#ifdef UNX
+            bool bLnkOK = false;
+            bool bFoundOK = false;
+
+            OUString aUStr_LnkFileSys(aTempDirectorySys), aUStr_SrcFileSys(aTempDirectorySys);
+            aUStr_LnkFileSys += aSlashURL + "/tmpdir/link.file";
+            aUStr_SrcFileSys += aSlashURL + "/tmpdir/tmpname";
+
+            OString strLinkFileName, strSrcFileName;
+            strLinkFileName = OUStringToOString(aUStr_LnkFileSys, RTL_TEXTENCODING_ASCII_US);
+            strSrcFileName  = OUStringToOString(aUStr_SrcFileSys, RTL_TEXTENCODING_ASCII_US);
+
+            // create a link file and link it to file "/tmp/PID/tmpdir/tmpname"
+            sal_Int32 fd = symlink(strSrcFileName.getStr(), strLinkFileName.getStr());
+            CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0), fd);
+            Directory testDirectory(aTmpName3);
+
+            // open a directory
+            auto nError1 = testDirectory.open();
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            OUString aFileName ("link.file");
+
+            while (true) {
+                nError1 = testDirectory.getNextItem(rItem, 4);
+                if (nError1 == osl::FileBase::E_None) {
+                    FileStatus   rFileStatus(osl_FileStatus_Mask_FileName | osl_FileStatus_Mask_Type);
+                    rItem.getFileStatus(rFileStatus);
+                    if (compareFileName(rFileStatus.getFileName(), aFileName))
+                    {
+                        bFoundOK = true;
+                        if (rFileStatus.getFileType() == FileStatus::Link)
+                        {
+                            bLnkOK = true;
+                            break;
+                        }
+                    }
+                }
+                else
+                    break;
+            }
+            fd = std::remove(strLinkFileName.getStr());
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("remove link file failed", static_cast<sal_Int32>(0), fd);
+            CPPUNIT_ASSERT_MESSAGE("test for getNextItem function: check if can retrieve the link file name",
+                                    bFoundOK);
+            CPPUNIT_ASSERT_MESSAGE("test for getNextItem function: check if link file has file type link",
+                                    bLnkOK);
+#endif
+        }
+
+        CPPUNIT_TEST_SUITE(getNextItem);
+            CPPUNIT_TEST(getNextItem_001);
+            CPPUNIT_TEST(getNextItem_002);
+            CPPUNIT_TEST(getNextItem_003);
+            CPPUNIT_TEST(getNextItem_004);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC getVolumeInfo(const OUString& ustrDirectoryURL, VolumeInfo& rInfo)
+
+    class getVolumeInfo : public CppUnit::TestFixture
+    {
+    public:
+        void checkValidMask(osl::VolumeInfo const& _aVolumeInfo, sal_Int32 _nMask)
+        {
+            if (_nMask == osl_VolumeInfo_Mask_FileSystemName)
+            {
+                // get file system name
+                OUString aFileSysName = _aVolumeInfo.getFileSystemName();
+
+                bool bRes2 = compareFileName(aFileSysName, aNullURL);
+                CPPUNIT_ASSERT_MESSAGE("test for getVolumeInfo function: getVolumeInfo of root directory.",
+                                        !bRes2);
+            }
+
+            if (_nMask == osl_VolumeInfo_Mask_Attributes)
+            {
+                bool b1 = _aVolumeInfo.getRemoteFlag();
+                bool b2 = _aVolumeInfo.getRemoveableFlag();
+                bool b3 = _aVolumeInfo.getCompactDiscFlag();
+                bool b4 = _aVolumeInfo.getFloppyDiskFlag();
+                bool b5 = _aVolumeInfo.getFixedDiskFlag();
+                bool b6 = _aVolumeInfo.getRAMDiskFlag();
+
+                OString sAttr;
+                if (b1) sAttr =  "Remote";
+                if (b2) sAttr += " Removeable";
+                if (b3) sAttr += " CDROM";
+                if (b4) sAttr += " Floppy";
+                if (b5) sAttr += " FixedDisk";
+                if (b6) sAttr += " RAMDisk";
+
+                printf("Attributes: %s\n", sAttr.getStr());
+            }
+            if (_nMask == osl_VolumeInfo_Mask_TotalSpace)
+            {
+                // within Linux, df / * 1024 bytes is the result
+                sal_uInt64 nSize = _aVolumeInfo.getTotalSpace();
+                printf("Total space: %" SAL_PRIuUINT64 "\n", nSize);
+            }
+            if (_nMask == osl_VolumeInfo_Mask_UsedSpace)
+            {
+                sal_uInt64 nSize = _aVolumeInfo.getUsedSpace();
+                printf(" Used space: %" SAL_PRIuUINT64 "\n", nSize);
+            }
+            if (_nMask == osl_VolumeInfo_Mask_FreeSpace)
+            {
+                sal_uInt64 nSize = _aVolumeInfo.getFreeSpace();
+                printf(" Free space: %" SAL_PRIuUINT64 "\n", nSize);
+            }
+            if (_nMask == osl_VolumeInfo_Mask_MaxNameLength)
+            {
+                sal_uInt32 nLength = _aVolumeInfo.getMaxNameLength();
+                printf("max name length: %" SAL_PRIuUINT32 "\n", nLength);
+            }
+            if (_nMask == osl_VolumeInfo_Mask_MaxPathLength)
+            {
+                sal_uInt32 nLength = _aVolumeInfo.getMaxPathLength();
+                printf("max path length: %" SAL_PRIuUINT32 "\n", nLength);
+            }
+            if (_nMask == osl_VolumeInfo_Mask_FileSystemCaseHandling)
+            {
+                bool bIsCase = _aVolumeInfo.isCaseSensitiveFileSystem();
+                printf("filesystem case sensitive: %s\n", bIsCase ? "yes" : "no");
+            }
+        }
+
+        void checkVolumeInfo(sal_Int32 _nMask)
+        {
+            VolumeInfo aVolumeInfo(_nMask);
+            // call getVolumeInfo here
+            auto nError1 = Directory::getVolumeInfo(aVolURL1, aVolumeInfo);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(
+                "test for getVolumeInfo function: getVolumeInfo of root directory.",
+                osl::FileBase::E_None, nError1);
+            // LLA: IMHO it's not a bug, if VolumeInfo is not valid, it's a feature
+            // LLA: CPPUNIT_ASSERT_MESSAGE("mask is not valid", sal_True == aVolumeInfo.isValid(_nMask));
+            if (aVolumeInfo.isValid(_nMask))
+                checkValidMask(aVolumeInfo, _nMask);
+        }
+
+        void getVolumeInfo_001_1()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_FileSystemName;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_2()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_Attributes;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_3()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_TotalSpace;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_4()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_UsedSpace;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_5()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_FreeSpace;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_6()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_MaxNameLength;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_7()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_MaxPathLength;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_001_8()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_FileSystemCaseHandling;
+            checkVolumeInfo(mask);
+        }
+
+        void getVolumeInfo_002()
+        {
+            sal_Int32 mask = osl_VolumeInfo_Mask_FileSystemName;
+            VolumeInfo aVolumeInfo(mask);
+            // call getVolumeInfo here
+
+            OUString aRootSysURL;
+            auto nError1 = osl::File::getFileURLFromSystemPath(aRootSys, aRootSysURL);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("can't convert root path to file url", osl::FileBase::E_None, nError1);
+
+            nError1 = Directory::getVolumeInfo(aRootSys, aVolumeInfo);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getVolumeInfo function: use system path as parameter.",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        void getVolumeInfo_003()
+        {
+// LLA: in Windows, it reply no error, it did not pass in (W32).
+#if defined(UNX) && !defined(IOS)
+            sal_Int32 mask = osl_VolumeInfo_Mask_FileSystemName;
+            VolumeInfo aVolumeInfo(mask);
+            // call getVolumeInfo here
+            auto nError1 = Directory::getVolumeInfo(aTmpName3, aVolumeInfo);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for getVolumeInfo function: non-existence test. ",
+                                    osl::FileBase::E_NOENT, nError1);
+#endif
+        }
+
+        CPPUNIT_TEST_SUITE(getVolumeInfo);
+            CPPUNIT_TEST(getVolumeInfo_001_1);
+            CPPUNIT_TEST(getVolumeInfo_001_2);
+            CPPUNIT_TEST(getVolumeInfo_001_3);
+            CPPUNIT_TEST(getVolumeInfo_001_4);
+            CPPUNIT_TEST(getVolumeInfo_001_5);
+            CPPUNIT_TEST(getVolumeInfo_001_6);
+            CPPUNIT_TEST(getVolumeInfo_001_7);
+            CPPUNIT_TEST(getVolumeInfo_001_8);
+            CPPUNIT_TEST(getVolumeInfo_002);
+            CPPUNIT_TEST(getVolumeInfo_003);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC create(const OUString& ustrDirectoryURL)
+
+    class create : public CppUnit::TestFixture
+    {
+    public:
+        void create_001()
+        {
+            // create directory in $TEMP/tmpdir
+            auto nError1 = Directory::create(aTmpName3);
+            // check for existence
+            auto nError2 = Directory::create(aTmpName3);
+            // remove it
+            deleteTestDirectory(aTmpName3);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for create function: create a directory and check its existence.",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for create function: create a directory and check its existence.",
+                                    osl::FileBase::E_EXIST, nError2);
+        }
+
+        void create_002()
+        {
+#if !defined(_WIN32) && !defined(MACOSX) && defined(SAL_UNX)
+            if (geteuid() == 0) // don't test if building as root
+                return;
+
+            OUString aTmpDir;
+            auto nError1 = osl::FileBase::createTempFile(nullptr, nullptr, &aTmpDir);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("temp File creation failed", osl::FileBase::E_None, nError1);
+
+            nError1 = File::remove(aTmpDir);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("temp File removal failed", osl::FileBase::E_None, nError1);
+
+            nError1 = Directory::create(aTmpDir);
+            OString sError = "test for create function: create a directory '" +
+                OUStringToOString(aTmpDir, RTL_TEXTENCODING_ASCII_US) +
+                "' and check its existence.";
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(sError.getStr(), osl::FileBase::E_None, nError1);
+            osl_setFileAttributes(aTmpDir.pData, 0); // no access allowed now
+
+            // Shouldn't be possible now to create a dir underneath it
+            OUString aTmpSubLevel = aTmpDir + "/notallowedhere";
+            nError1 = Directory::create(aTmpSubLevel);
+
+            // allow removal
+            osl_setFileAttributes(aTmpDir.pData,
+                osl_File_Attribute_OwnRead |
+                osl_File_Attribute_OwnWrite |
+                osl_File_Attribute_OwnExe);
+            deleteTestDirectory(aTmpDir);
+            sError = "test for create function: create a directory under '" +
+                OUStringToOString(aTmpDir, RTL_TEXTENCODING_ASCII_US) +
+                "' for access test.";
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(sError.getStr(), osl::FileBase::E_ACCES, nError1);
+#endif
+        }
+
+        void create_003()
+        {
+            // create directory in /tmpname
+            auto nError1 = Directory::create(aSysPath1);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for create function: create a directory using system path.",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        CPPUNIT_TEST_SUITE(create);
+            CPPUNIT_TEST(create_001);
+            CPPUNIT_TEST(create_002);
+            CPPUNIT_TEST(create_003);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    //  testing the method
+    //  inline static RC remove(const OUString& ustrDirectoryURL)
+
+    class remove : public CppUnit::TestFixture
+    {
+    public:
+        void remove_001()
+        {
+            // create directory in $TEMP/tmpdir
+            auto nError1 = Directory::create(aTmpName3);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // remove it
+            nError1 = Directory::remove(aTmpName3);
+            // check for existence
+            Directory rDirectory(aTmpName3);
+            auto nError2 = rDirectory.open();
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: remove a directory and check its existence.",
+                                    osl::FileBase::E_None, nError1);
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: remove a directory and check its existence.",
+                                    osl::FileBase::E_NOENT, nError2);
+        }
+
+        void remove_002()
+        {
+            // create directory in $TEMP/tmpdir
+            auto nError1 = Directory::create(aTmpName3);
+            CPPUNIT_ASSERT_EQUAL(osl::FileBase::E_None, nError1);
+            // try to remove it by system path
+            nError1 = Directory::remove(aSysPath3);
+             // check for existence
+            Directory rDirectory(aTmpName3);
+            auto nError2 = rDirectory.open();
+
+            if (nError2 != osl::FileBase::E_NOENT)
+                Directory::remove(aTmpName3);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: remove a directory by its system path, and check its existence.",
+                                    osl::FileBase::E_INVAL, nError1);
+        }
+
+        void remove_003()
+        {
+            // try to remove a non-existed directory
+            auto nError1 = Directory::remove(aTmpName6);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("test for remove function: try to remove a non-existed directory.",
+                                    osl::FileBase::E_NOENT, nError1);
+        }
+
+        void remove_004()
+        {
+            createTestFile(aTmpName6);
+            bool bExist = ifFileExist(aTmpName6);
+            // try to remove file.
+            auto nError1 = Directory::remove(aTmpName6);
+            deleteTestFile(aTmpName6);
+
+            CPPUNIT_ASSERT_MESSAGE("test for remove function: try to remove a file but not directory.",
+                                    bExist);
+            CPPUNIT_ASSERT_MESSAGE("test for remove function: try to remove a file but not directory.",
+                                    (osl::FileBase::E_NOTDIR == nError1) || (osl::FileBase::E_NOENT == nError1));
+        }
+
+        void remove_005()
+        {
+            createTestDirectory(aTmpName3);
+            createTestFile(aTmpName4);
+            auto nError1 = Directory::remove(aTmpName3);
+            deleteTestFile(aTmpName4);
+            deleteTestDirectory(aTmpName3);
+            OString sError = "test for remove function: try to remove a directory that is not empty." +
+                errorToStr(nError1);
+#if defined(__sun)
+            // on UNX, the implementation uses rmdir(), which EEXIST is thrown on Solaris when the directory is not empty, refer to: 'man -s 2 rmdir', while on linux, ENOTEMPTY is thrown.
+            // EEXIST The directory contains entries other than those for "." and "..".
+            printf("#Solaris test\n");
+            CPPUNIT_ASSERT_MESSAGE(sError.getStr(), (osl::FileBase::E_EXIST == nError1));
+#else
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(sError.getStr(), osl::FileBase::E_NOTEMPTY, nError1);
+#endif
+        }
+
+        CPPUNIT_TEST_SUITE(remove);
+            CPPUNIT_TEST(remove_001);
+            CPPUNIT_TEST(remove_002);
+            CPPUNIT_TEST(remove_003);
+            CPPUNIT_TEST(remove_004);
+            CPPUNIT_TEST(remove_005);
+        CPPUNIT_TEST_SUITE_END();
+    };
+
+    // TEST Directory::createPath
+
+    #ifdef _WIN32
+    #   define PATH_BUFFER_SIZE MAX_PATH
+    #else
+    #   define PATH_BUFFER_SIZE PATH_MAX
+    #endif
+
+#define TEST_PATH_POSTFIX "hello/world"
+
+    static OUString const & get_test_path()
+    {
+        static OUString test_path = []()
+        {
+            OUString tmp;
+            osl::FileBase::RC rc = osl::FileBase::getTempDirURL(tmp);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE
+            (
+             "Getting the location of TMP dir failed",
+             osl::FileBase::E_None, rc
+          );
+
+            OUString system_path;
+            rc = osl::FileBase::getSystemPathFromFileURL(tmp, system_path);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE
+            (
+             "Cannot convert the TMP dir to system path",
+             osl::FileBase::E_None, rc
+          );
+
+            OString tmp_x(OUStringToOString(system_path, RTL_TEXTENCODING_UTF8));
+            if (tmp_x.lastIndexOf('/') != (tmp_x.getLength() - 1))
+                tmp_x += "/";
+
+#if !defined(_WIN32) && !defined(ANDROID) && !defined(AIX)
+            // FIXME would be nice to create unique dir even on Windows
+            tmp_x += "XXXXXX";
+            char *out = mkdtemp(const_cast<char*>(tmp_x.getStr()));
+
+            CPPUNIT_ASSERT_MESSAGE
+            (
+             "mkdtemp call failed",
+             out != nullptr
+          );
+
+            tmp_x += "/";
+#endif
+            tmp_x += TEST_PATH_POSTFIX;
+
+            OUString tmpTestPath;
+            rc = osl::FileBase::getFileURLFromSystemPath(OStringToOUString(tmp_x, RTL_TEXTENCODING_UTF8), tmpTestPath);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE
+            (
+             "Cannot convert the system path back to a URL",
+             osl::FileBase::E_None, rc
+            );
+            return tmpTestPath;
+        }();
+        return test_path;
+    }
+
+    static void rm_test_path(const OUString& path)
+    {
+        sal_Unicode buffer[PATH_BUFFER_SIZE];
+        memcpy(buffer, path.getStr(), (path.getLength() + 1) * sizeof(sal_Unicode));
+
+        sal_Int32 i = rtl_ustr_lastIndexOfChar(buffer, '/');
+        if (i == path.getLength())
+            buffer[i] = 0;
+
+        Directory::remove(OUString(buffer));
+
+        i = rtl_ustr_lastIndexOfChar(buffer, '/');
+        assert(i != -1);
+        if (i != -1)
+        {
+            buffer[i] = 0;
+            Directory::remove(OUString(buffer));
+        }
+    }
+
+    namespace {
+
+    class DirCreatedObserver : public DirectoryCreationObserver
+    {
+    public:
+        DirCreatedObserver() : i(0) {}
+        virtual void DirectoryCreated(const OUString&) override { i++; };
+
+        int number_of_dirs_created() const { return i; }
+
+    private:
+        int i;
+    };
+
+    }
+
+    class createPath : public CppUnit::TestFixture
+    {
+    public:
+        createPath()
+        {}
+
+        void with_relative_path()
+        {
+            osl::FileBase::RC rc = Directory::createPath(TEST_PATH_POSTFIX);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE
+            (
+                "osl_createDirectoryPath contract broken",
+                osl::FileBase::E_INVAL, rc
+          );
+        }
+
+        void without_callback()
+        {
+            OUString tp_url = get_test_path();
+
+            rm_test_path(tp_url);
+
+            osl::FileBase::RC rc = Directory::createPath(tp_url);
+
+            rm_test_path(tp_url);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE
+            (
+                "osl_createDirectoryPath failed",
+                osl::FileBase::E_None, rc
+          );
+        }
+
+        void with_callback()
+        {
+            OUString tp_url = get_test_path();
+
+            rm_test_path(tp_url);
+
+            DirCreatedObserver* observer = new DirCreatedObserver;
+            osl::FileBase::RC rc = Directory::createPath(tp_url, observer);
+            int nDirs = observer->number_of_dirs_created();
+            delete observer;
+
+            rm_test_path(tp_url);
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE
+            (
+                "osl_createDirectoryPath failed",
+                osl::FileBase::E_None, rc
+          );
+            CPPUNIT_ASSERT_MESSAGE
+            (
+                "osl_createDirectoryPath failed",
+                nDirs > 0
+          );
+
+        }
+
+#ifdef _WIN32
+
+        const char* get_unused_drive_letter()
+        {
+            static const char m_aBuff[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+            DWORD ld = GetLogicalDrives();
+            DWORD i = 4;
+            DWORD j = 2;
+
+            while ((ld & i) && (i > 1))
+            { i = i << 1; j++; }
+
+            if (i > 2)
+                return m_aBuff + j;
+
+            return nullptr;
+        }
+
+        void at_invalid_logical_drive()
+        {
+            const char* drv = get_unused_drive_letter();
+            char buff[PATH_BUFFER_SIZE];
+            memset(buff, 0, sizeof(buff));
+
+            strncpy(buff, drv, 1);
+            strcat(buff, ":\\");
+            strcat(buff, TEST_PATH_POSTFIX);
+
+            OUString path = OUString::createFromAscii(buff);
+            OUString tp_url;
+            osl::FileBase::getFileURLFromSystemPath(path, tp_url);
+
+            osl::FileBase::RC rc = Directory::createPath(tp_url);
+
+            CPPUNIT_ASSERT_MESSAGE
+            (
+                "osl_createDirectoryPath doesn't fail on unused logical drive letters",
+                rc != osl::FileBase::E_None
+          );
+        }
+#endif /* _WIN32 */
+
+    CPPUNIT_TEST_SUITE(createPath);
+        CPPUNIT_TEST(with_relative_path);
+        CPPUNIT_TEST(without_callback);
+        CPPUNIT_TEST(with_callback);
+#ifdef _WIN32
+        CPPUNIT_TEST(at_invalid_logical_drive);
+#endif
+    CPPUNIT_TEST_SUITE_END();
+
+    };
+
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::ctors);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::open);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::isOpen);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::close);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::reset);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::getNextItem);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::getVolumeInfo);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::create);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::remove);
+    CPPUNIT_TEST_SUITE_REGISTRATION(osl_Directory::createPath);
+}
+
+#if 0
+#if defined UNX
+/** get Current PID.
+*/
+OUString getCurrentPID()
+{
+    //~ Get current PID and turn it into OUString;
+    int nPID = 0;
+#ifdef _WIN32
+    nPID = GetCurrentProcessId();
+#else
+    nPID = getpid();
+#endif
+    return OUString::number(nPID);
+}
+#endif
+#endif
+
+namespace {
+
+//~ do some clean up work after all test completed.
+class GlobalObject
+{
+public:
+    ~GlobalObject()
+    {
+        try
+        {
+            //~ special clean up task in Windows and Unix separately;
+#if (defined UNX)
+            //~ some clean up task  for UNIX OS
+            ;
+#else
+            //~ some clean up task  for Windows OS
+            //~ check if some files are in the way, remove them if necessary.
+            if (ifFileExist(aTmpName6))
+                deleteTestFile(aTmpName6);
+            if (ifFileExist(aTmpName4))
+                deleteTestFile(aTmpName4);
+            if (checkDirectory(aTmpName4, oslCheckMode::Exist))
+                deleteTestDirectory(aTmpName4);
+            if (ifFileExist(aTmpName3))
+                deleteTestFile(aTmpName3);
+            if (checkDirectory(aTmpName3, oslCheckMode::Exist))
+                deleteTestDirectory(aTmpName3);
+
+            OUString aUStr(aUserDirectoryURL);
+            concatURL(aUStr, aHidURL1);
+            if (ifFileExist(aUStr))
+                deleteTestFile(aUStr);
+
+            OUString aUStr1(aRootURL);
+            concatURL(aUStr1, aTmpName2);
+            if (ifFileExist(aUStr1))
+                deleteTestFile(aUStr1);
+#endif
+        }
+        catch (const CppUnit::Exception &e)
+        {
+            printf("Exception caught in GlobalObject dtor(). Exception message: '%s'. Source line: %d\n", e.what(), e.sourceLine().lineNumber());
+        }
+        catch (...)
+        {
+            printf("Exception caught (...) in GlobalObject dtor()\n");
+        }
+    }
+};
+
+}
+
+static GlobalObject theGlobalObject;
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */