axmol/tests/cpp-tests/Source/FileUtilsTest/FileUtilsTest.cpp

/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axmolengine.github.io/

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 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 THE SOFTWARE.
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#include "FileUtilsTest.h"

USING_NS_AX;

FileUtilsTests::FileUtilsTests()
{
    ADD_TEST_CASE(TestSearchPath);
    ADD_TEST_CASE(TestIsFileExist);
    ADD_TEST_CASE(TestIsDirectoryExist);
    ADD_TEST_CASE(TestFileFuncs);
    ADD_TEST_CASE(TestDirectoryFuncs);
    ADD_TEST_CASE(TestWriteString);
    ADD_TEST_CASE(TestGetContents);
    ADD_TEST_CASE(TestWriteData);
    ADD_TEST_CASE(TestWriteValueMap);
    ADD_TEST_CASE(TestWriteValueVector);
    ADD_TEST_CASE(TestUnicodePath);
    ADD_TEST_CASE(TestIsFileExistAsync);
    ADD_TEST_CASE(TestIsDirectoryExistAsync);
    ADD_TEST_CASE(TestFileFuncsAsync);
    ADD_TEST_CASE(TestWriteStringAsync);
    ADD_TEST_CASE(TestWriteDataAsync);
    ADD_TEST_CASE(TestListFiles);
    ADD_TEST_CASE(TestIsFileExistRejectFolder);
}

// TestSearchPath

void TestSearchPath::onEnter()
{
    FileUtilsDemo::onEnter();
    auto sharedFileUtils = FileUtils::getInstance();

    std::string ret;

    sharedFileUtils->purgeCachedEntries();
    _defaultSearchPathArray              = sharedFileUtils->getOriginalSearchPaths();
    std::vector<std::string> searchPaths = _defaultSearchPathArray;
    std::string writablePath             = sharedFileUtils->getWritablePath();
    std::string fileName                 = writablePath + "external.txt";
    char szBuf[100]                      = "Hello Cocos2d-x!";
    auto fp                             = fopen(fileName.c_str(), "wb");
    if (fp)
    {
        size_t ret = fwrite(szBuf, 1, strlen(szBuf), fp);
        AXASSERT(ret != 0, "fwrite function returned zero value");
        fclose(fp);
        if (ret != 0)
            log("Writing file to writable path succeed.");
    }

    searchPaths.insert(searchPaths.begin(), writablePath);
    searchPaths.insert(searchPaths.begin() + 1, "Misc/searchpath1");
    searchPaths.insert(searchPaths.begin() + 2, "Misc/searchpath2");
    sharedFileUtils->setSearchPaths(searchPaths);

    for (int i = 1; i < 3; i++)
    {
        auto filename = StringUtils::format("file%d.txt", i);
        ret           = sharedFileUtils->fullPathForFilename(filename);
        log("%s -> %s", filename.c_str(), ret.c_str());
    }

    // Gets external.txt from writable path
    std::string fullPath = sharedFileUtils->fullPathForFilename("external.txt");
    log("external file path = %s", fullPath.c_str());
    if (fullPath.length() > 0)
    {
        fp = fopen(fullPath.c_str(), "rb");
        if (fp)
        {
            char szReadBuf[100] = {0};
            size_t read         = fread(szReadBuf, 1, strlen(szReadBuf), fp);
            if (read > 0)
                log("The content of file from writable path: %s", szReadBuf);
            fclose(fp);
        }
    }

    // FIXME: should fix the issue on Android
#if (AX_TARGET_PLATFORM != AX_PLATFORM_ANDROID)

    // Save old resource root path
    std::string oldDefaultRootPath = sharedFileUtils->getDefaultResourceRootPath();
    sharedFileUtils->setDefaultResourceRootPath(oldDefaultRootPath + "extensions");
    auto sp1 = Sprite::create("orange_edit.png");
    sp1->setPosition(VisibleRect::center());
    addChild(sp1);

    // Recover resource root path
    sharedFileUtils->setDefaultResourceRootPath(oldDefaultRootPath);

    auto oldSearchPaths = sharedFileUtils->getOriginalSearchPaths();
    sharedFileUtils->addSearchPath("Images");
    auto sp2 = Sprite::create("btn-about-normal.png");
    sp2->setPosition(VisibleRect::center() + Vec2(0, -50));
    addChild(sp2);

    // Recover old search paths
    sharedFileUtils->setSearchPaths(oldSearchPaths);
#endif
}

void TestSearchPath::onExit()
{
    FileUtils* sharedFileUtils = FileUtils::getInstance();

    // reset search path
    sharedFileUtils->setSearchPaths(_defaultSearchPathArray);
    FileUtilsDemo::onExit();
}

std::string TestSearchPath::title() const
{
    return "FileUtils: search path";
}

std::string TestSearchPath::subtitle() const
{
    return "See the console, can see a orange box and a 'about' picture, except Android";
}

// TestIsFileExist

void TestIsFileExist::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s               = Director::getInstance()->getWinSize();
    auto sharedFileUtils = FileUtils::getInstance();

    Label* label = nullptr;
    bool isExist = false;

    isExist = sharedFileUtils->isFileExist("Images/grossini.png");

    label = Label::createWithSystemFont(isExist ? "Images/grossini.png exists" : "Images/grossini.png doesn't exist",
                                        "", 20);
    label->setPosition(s.width / 2, s.height / 3);
    this->addChild(label);

    isExist = sharedFileUtils->isFileExist("Images/grossini.xcf");
    label   = Label::createWithSystemFont(isExist ? "Images/grossini.xcf exists" : "Images/grossini.xcf doesn't exist",
                                        "", 20);
    label->setPosition(s.width / 2, s.height / 3 * 2);
    this->addChild(label);
}

void TestIsFileExist::onExit()
{

    FileUtils* sharedFileUtils = FileUtils::getInstance();

    FileUtilsDemo::onExit();
}

std::string TestIsFileExist::title() const
{
    return "FileUtils: check whether the file exists";
}

std::string TestIsFileExist::subtitle() const
{
    return "";
}

// TestIsDirectoryExist

void TestIsDirectoryExist::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s    = Director::getInstance()->getWinSize();
    auto util = FileUtils::getInstance();
    int x = s.width / 2, y = s.height / 3;

    Label* label = nullptr;
    std::string dir;
    auto getMsg = [&dir](bool b) -> std::string {
        char msg[512];
        snprintf((char*)msg, 512, "%s for dir: \"%s\"", b ? "success" : "failed", dir.c_str());
        return std::string(msg);
    };

    dir   = "Images";
    label = Label::createWithSystemFont(getMsg(util->isDirectoryExist(dir)), "", 20);
    label->setPosition(x, y * 2);
    this->addChild(label);

    dir   = util->getWritablePath();
    label = Label::createWithSystemFont(getMsg(util->isDirectoryExist(dir)), "", 20);
    label->setPosition(x, y * 1);
    this->addChild(label);

    dir   = util->getWritablePath();
    label = Label::createWithSystemFont(getMsg(util->isDirectoryExist(dir)), "", 20);
    label->setPosition(x, y * 1);
    this->addChild(label);
}

void TestIsDirectoryExist::onExit()
{

    FileUtils* sharedFileUtils = FileUtils::getInstance();

    // reset filename lookup
    sharedFileUtils->purgeCachedEntries();

    FileUtilsDemo::onExit();
}

std::string TestIsDirectoryExist::title() const
{
    return "FileUtils: check whether the directory exists";
}

std::string TestIsDirectoryExist::subtitle() const
{
    return "";
}

// TestFileFuncs

void TestFileFuncs::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s               = Director::getInstance()->getWinSize();
    auto sharedFileUtils = FileUtils::getInstance();

    int x = s.width / 2, y = s.height / 5;
    Label* label = nullptr;

    std::string filename  = "__test.test";
    std::string filename2 = "__newtest.test";
    std::string filepath  = sharedFileUtils->getWritablePath() + filename;
    std::string content   = "Test string content to put into created file";
    std::string msg;

    auto out = fopen(filepath.c_str(), "w");
    fputs(content.c_str(), out);
    fclose(out);

    // Check whether file can be created
    if (sharedFileUtils->isFileExist(filepath))
    {
        label = Label::createWithSystemFont("Test file '__test.test' created", "", 20);
        label->setPosition(x, y * 4);
        this->addChild(label);

        // getFileSize Test
        int32_t size = sharedFileUtils->getFileSize(filepath);
        msg          = StringUtils::format("getFileSize: Test file size equals %d", size);
        label        = Label::createWithSystemFont(msg, "", 20);
        label->setPosition(x, y * 3);
        this->addChild(label);

        // renameFile Test
        if (sharedFileUtils->renameFile(sharedFileUtils->getWritablePath(), filename, filename2))
        {
            label = Label::createWithSystemFont("renameFile: Test file renamed to  '__newtest.test'", "", 20);
            label->setPosition(x, y * 2);
            this->addChild(label);

            // removeFile Test
            filepath = sharedFileUtils->getWritablePath() + filename2;
            if (sharedFileUtils->removeFile(filepath))
            {
                label = Label::createWithSystemFont("removeFile: Test file removed", "", 20);
                label->setPosition(x, y * 1);
                this->addChild(label);
            }
            else
            {
                label = Label::createWithSystemFont("removeFile: Failed to remove test file", "", 20);
                label->setPosition(x, y * 1);
                this->addChild(label);
            }
        }
        else
        {
            label = Label::createWithSystemFont(
                "renameFile: Failed to rename test file to  '__newtest.test', further test skipped", "", 20);
            label->setPosition(x, y * 2);
            this->addChild(label);
        }
    }
    else
    {
        label = Label::createWithSystemFont("Test file can not be created, test skipped", "", 20);
        label->setPosition(x, y * 4);
        this->addChild(label);
    }
}

std::string TestFileFuncs::title() const
{
    return "FileUtils: file control functions";
}

std::string TestFileFuncs::subtitle() const
{
    return "";
}

// TestDirectoryFuncs

void TestDirectoryFuncs::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s               = Director::getInstance()->getWinSize();
    auto sharedFileUtils = FileUtils::getInstance();

    int x = s.width / 2, y = s.height / 4;
    Label* label = nullptr;

    std::string dir        = sharedFileUtils->getWritablePath() + "__test";
    std::string subDir     = "dir1/dir2";
    std::string fullSubDir = dir + "/" + subDir;
    std::string msg;
    bool ok;

    // Check whether dir can be created
    ok = sharedFileUtils->createDirectory(dir);
    if (ok && sharedFileUtils->isDirectoryExist(dir))
    {
        msg   = StringUtils::format("createDirectory: Directory '__test' created");
        label = Label::createWithSystemFont(msg, "", 20);
        label->setPosition(x, y * 3);
        this->addChild(label);

        // Create sub directories recursively
        ok = sharedFileUtils->createDirectory(fullSubDir);
        if (ok && sharedFileUtils->isDirectoryExist(fullSubDir))
        {
            msg   = StringUtils::format("createDirectory: Sub directories '%s' created", subDir.c_str());
            label = Label::createWithSystemFont(msg, "", 20);
            label->setPosition(x, y * 2);
            this->addChild(label);
        }
        else
        {
            msg   = StringUtils::format("createDirectory: Failed to create sub directories '%s'", subDir.c_str());
            label = Label::createWithSystemFont(msg, "", 20);
            label->setPosition(x, y * 2);
            this->addChild(label);
        }

        // Remove directory
        ok = sharedFileUtils->removeDirectory(dir);
        if (ok && !sharedFileUtils->isDirectoryExist(dir))
        {
            msg   = StringUtils::format("removeDirectory: Directory '__test' removed");
            label = Label::createWithSystemFont(msg, "", 20);
            label->setPosition(x, y);
            this->addChild(label);
        }
        else
        {
            msg   = StringUtils::format("removeDirectory: Failed to remove directory '__test'");
            label = Label::createWithSystemFont(msg, "", 20);
            label->setPosition(x, y);
            this->addChild(label);
        }
    }
    else
    {
        msg   = StringUtils::format("createDirectory: Directory '__test' can not be created");
        label = Label::createWithSystemFont(msg, "", 20);
        label->setPosition(x, y * 2);
        this->addChild(label);
    }
}

std::string TestDirectoryFuncs::title() const
{
    return "FileUtils: directory control functions";
}

std::string TestDirectoryFuncs::subtitle() const
{
    return "";
}

void TestWriteString::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto writeResult = Label::createWithTTF("show writeResult", "fonts/Thonburi.ttf", 18);
    this->addChild(writeResult);
    writeResult->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 3);

    std::string writablePath = FileUtils::getInstance()->getWritablePath();
    std::string fileName     = "writeStringTest.txt";

    // writeTest
    std::string writeDataStr = "the string data will be write into a file";
    std::string fullPath     = writablePath + fileName;
    if (FileUtils::getInstance()->writeStringToFile(writeDataStr, fullPath.c_str()))
    {
        log("see the plist file at %s", fullPath.c_str());
        writeResult->setString("write success:" + writeDataStr);
    }
    else
    {
        log("write plist file failed");
        writeResult->setString("write fail");
    }

    // readTest
    std::string readDataStr = FileUtils::getInstance()->getStringFromFile(fullPath);
    readResult->setString("read success:" + readDataStr);
}

void TestWriteString::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestWriteString::title() const
{
    return "FileUtils: TestWriteString to files";
}

std::string TestWriteString::subtitle() const
{
    return "";
}

static void saveAsBinaryText(std::string_view filename, const std::vector<char>& binary)
{
    auto fs = FileUtils::getInstance();
    std::string text(binary.begin(), binary.end());
    fs->writeStringToFile(text, filename);
}

static const std::string FileErrors[] = {
    "OK", "NotExists", "OpenFailed", "ReadFailed", "NotInitialized", "TooLarge", "ObtainSizeFailed",
};

void TestGetContents::onEnter()
{
    FileUtilsDemo::onEnter();
    auto fs = FileUtils::getInstance();

    auto winSize = Director::getInstance()->getWinSize();

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 16);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 2);

    std::vector<char> binary = {'\r', '\n', '\r', '\n', '\0', '\0', '\r', '\n'};
    _generatedFile           = fs->getWritablePath() + "file-with-zeros-and-crlf";
    saveAsBinaryText(_generatedFile, binary);

    auto runTests = [&]() {
        // Test read string in binary mode
        std::string bs;
        fs->getContents(_generatedFile, &bs);
        if (bs.size() != binary.size() || !std::equal(bs.begin(), bs.end(), binary.begin()))
            return std::string("failed: read as binary string");

        // Text read string in text mode
        std::string ts = fs->getStringFromFile(_generatedFile);
        if (strcmp(ts.c_str(), "\r\n\r\n") != 0)
            return std::string("failed: read as zero terminated string");

        std::string files[] = {_generatedFile, "background.wav", "fileLookup.plist"};
        for (auto&& file : files)
        {
            std::string sbuf;

            auto serr = fs->getContents(file, &sbuf);
            if (serr != FileUtils::Status::OK)
                return std::string("failed: error: " + FileErrors[(int)serr]);

            std::vector<int> vbuf;
            auto verr = fs->getContents(file, &vbuf);
            if (verr != FileUtils::Status::OK)
                return std::string("failed: error: " + FileErrors[(int)verr]);

            Data dbuf;
            auto derr = fs->getContents(file, &dbuf);
            if (derr != FileUtils::Status::OK)
                return std::string("failed: error: " + FileErrors[(int)derr]);

            if (memcmp(&sbuf.front(), &vbuf.front(), sbuf.size()) != 0)
                return std::string("failed: error: sbuf != vbuf");

            if (dbuf.getSize() != sbuf.size())
                return std::string("failed: error: sbuf.size() != dbuf.getSize()");

            if (memcmp(&sbuf.front(), dbuf.getBytes(), sbuf.size()) != 0)
                return std::string("failed: error: sbuf != dbuf");
        }
        return std::string("read success");
    };
    readResult->setString("FileUtils::getContents() " + runTests());
}

void TestGetContents::onExit()
{
    if (!_generatedFile.empty())
        FileUtils::getInstance()->removeFile(_generatedFile);

    FileUtilsDemo::onExit();
}

std::string TestGetContents::title() const
{
    return "FileUtils: TestGetContents";
}

std::string TestGetContents::subtitle() const
{
    return "";
}

void TestWriteData::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto writeResult = Label::createWithTTF("show writeResult", "fonts/Thonburi.ttf", 18);
    this->addChild(writeResult);
    writeResult->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 3);

    std::string writablePath = FileUtils::getInstance()->getWritablePath();
    std::string fileName     = "writeDataTest.txt";

    // writeTest
    std::string writeDataStr = "the binary data will be write into a file";
    Data writeData;
    writeData.copy((unsigned char*)writeDataStr.c_str(), writeDataStr.size());
    std::string fullPath = writablePath + fileName;
    if (FileUtils::getInstance()->writeDataToFile(writeData, fullPath.c_str()))
    {
        log("see the plist file at %s", fullPath.c_str());
        writeResult->setString("write success:" + writeDataStr);
    }
    else
    {
        log("write plist file failed");
        writeResult->setString("write fail");
    }

    // readTest
    unsigned char* buffer = nullptr;
    Data readData         = FileUtils::getInstance()->getDataFromFile(fullPath);
    buffer                = (unsigned char*)malloc(sizeof(unsigned char) * (readData.getSize() + 1));
    memcpy(buffer, readData.getBytes(), readData.getSize());
    buffer[readData.getSize()] = '\0';
    std::string readDataStr((const char*)buffer);
    free(buffer);

    readResult->setString("read success:" + readDataStr);
}

void TestWriteData::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestWriteData::title() const
{
    return "FileUtils: TestWriteData to files";
}

std::string TestWriteData::subtitle() const
{
    return "";
}

void TestWriteValueMap::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto writeResult = Label::createWithTTF("show writeResult", "fonts/Thonburi.ttf", 18);
    this->addChild(writeResult);
    writeResult->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 3);

    ValueMap valueMap;

    ValueMap mapInValueMap;
    mapInValueMap["string1"] = "string in dictInMap key 0";
    mapInValueMap["string2"] = "string in dictInMap key 1";
    mapInValueMap["none"].getType();

    valueMap["data0"] = Value(mapInValueMap);

    valueMap["data1"] = Value("string in array");

    ValueVector arrayInMap;
    arrayInMap.emplace_back(Value("string 0 in arrayInMap"));
    arrayInMap.emplace_back(Value("string 1 in arrayInMap"));
    valueMap["data2"] = arrayInMap;

    // add boolean to the plist
    auto booleanObject = Value(true);
    valueMap["data3"]  = booleanObject;

    // add integer to the plist
    auto intObject    = Value(1024);
    valueMap["data4"] = intObject;

    // add float to the plist
    auto floatObject  = Value(1024.1024f);
    valueMap["data5"] = floatObject;

    // add double to the plist
    auto doubleObject = Value(1024.123);
    valueMap["data6"] = doubleObject;

    // end with /
    std::string writablePath = FileUtils::getInstance()->getWritablePath();
    std::string fullPath     = writablePath + "testWriteValueMap.plist";
    if (FileUtils::getInstance()->writeValueMapToFile(valueMap, fullPath.c_str()))
    {
        log("see the plist file at %s", fullPath.c_str());
        writeResult->setString("write success");
    }
    else
    {
        log("write plist file failed");
        writeResult->setString("write failed");
    }

    ValueMap readValueMap   = FileUtils::getInstance()->getValueMapFromFile(fullPath.c_str());
    std::string readDataStr = "read data:\n";
    // read value map data
    ValueMap readMapInMap = readValueMap["data0"].asValueMap();
    readDataStr += "  mapValue:[\"string1\"][" + readMapInMap["string1"].asString() + "]\n";
    readDataStr += "  mapValue:[\"string2\"][" + readMapInMap["string2"].asString() + "]\n";

    // read string data
    readDataStr += "  stringValue:" + readValueMap["data1"].asString() + "\n";

    // read value vector data
    ValueVector readVectorInMap = readValueMap["data2"].asValueVector();
    readDataStr += "  vectorValue:[1]" + readVectorInMap.at(0).asString() + "\n";
    readDataStr += "  vectorValue:[2]" + readVectorInMap.at(1).asString() + "\n";

    // read bool data
    readDataStr += "  boolValue:" + StringUtils::format("%d", readValueMap["data3"].asBool()) + "\n";

    // read int data
    readDataStr += "  intValue:" + StringUtils::format("%d", readValueMap["data4"].asInt()) + "\n";

    // read float data
    readDataStr += "  floatValue:" + StringUtils::format("%f", readValueMap["data5"].asFloat()) + "\n";

    // read double data
    readDataStr += "  doubleValue:" + StringUtils::format("%f", readValueMap["data6"].asDouble()) + "\n";

    readResult->setString(readDataStr);
}
void TestWriteValueMap::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestWriteValueMap::title() const
{
    return "FileUtils: TestWriteValueMap to files";
}

std::string TestWriteValueMap::subtitle() const
{
    return "";
}

void TestWriteValueVector::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto writeResult = Label::createWithTTF("show writeResult", "fonts/Thonburi.ttf", 18);
    this->addChild(writeResult);
    writeResult->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 3);

    ValueVector array;

    ValueMap mapInArray;
    mapInArray["string1"] = "string in dictInArray key 0";
    mapInArray["string2"] = "string in dictInArray key 1";
    array.emplace_back(Value(mapInArray));

    array.emplace_back(Value("string in array"));

    ValueVector arrayInArray;
    arrayInArray.emplace_back(Value("string 0 in arrayInArray"));
    arrayInArray.emplace_back(Value("string 1 in arrayInArray"));
    array.emplace_back(Value(arrayInArray));

    // add boolean to the plist
    auto booleanObject = Value(true);
    array.emplace_back(booleanObject);

    // add integer to the plist
    auto intObject = Value(1024);
    array.emplace_back(intObject);

    // add float to the plist
    auto floatObject = Value(1024.1024f);
    array.emplace_back(floatObject);

    // add double to the plist
    auto doubleObject = Value(1024.123);
    array.emplace_back(doubleObject);

    // end with /
    std::string writablePath = FileUtils::getInstance()->getWritablePath();
    std::string fullPath     = writablePath + "testWriteValueVector.plist";
    if (FileUtils::getInstance()->writeValueVectorToFile(array, fullPath.c_str()))
    {
        log("see the plist file at %s", fullPath.c_str());
        writeResult->setString("write success");
    }
    else
    {
        log("write plist file failed");
        writeResult->setString("write failed");
    }

    ValueVector readArray   = FileUtils::getInstance()->getValueVectorFromFile(fullPath.c_str());
    std::string readDataStr = "read data:\n";
    // read value map data
    ValueMap readMapInArray = readArray.at(0).asValueMap();
    readDataStr += "  mapValue:[\"string1\"][" + readMapInArray["string1"].asString() + "]\n";
    readDataStr += "  mapValue:[\"string2\"][" + readMapInArray["string2"].asString() + "]\n";

    // read string data
    readDataStr += "  stringValue:" + readArray.at(1).asString() + "\n";

    // read value vector data
    ValueVector readVectorInArray = readArray.at(2).asValueVector();
    readDataStr += "  vectorValue:[1]" + readVectorInArray.at(0).asString() + "\n";
    readDataStr += "  vectorValue:[2]" + readVectorInArray.at(1).asString() + "\n";

    // read bool data
    readDataStr += "  boolValue:" + StringUtils::format("%d", readArray.at(3).asBool()) + "\n";

    // read int data
    readDataStr += "  intValue:" + StringUtils::format("%d", readArray.at(4).asInt()) + "\n";

    // read float data
    readDataStr += "  floatValue:" + StringUtils::format("%f", readArray.at(5).asFloat()) + "\n";

    // read double data
    readDataStr += "  doubleValue:" + StringUtils::format("%f", readArray.at(6).asDouble()) + "\n";

    readResult->setString(readDataStr);
}

void TestWriteValueVector::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestWriteValueVector::title() const
{
    return "FileUtils: TestWriteValueVector to files";
}

std::string TestWriteValueVector::subtitle() const
{
    return "";
}

// TestUnicodePath

void TestUnicodePath::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s    = Director::getInstance()->getWinSize();
    auto util = FileUtils::getInstance();

    int x = s.width / 2, y = s.height / 5;
    Label* label = nullptr;

    std::string dir      = "中文路径/";
    std::string filename = "测试文件.test";

    std::string act;
    auto getMsg = [&act](bool b, std::string_view path) -> std::string {
        char msg[512];
        snprintf((char*)msg, 512, "%s for %s path: \"%s\"", b ? "success" : "failed", act.c_str(), path.data());
        return std::string(msg);
    };

    // Check whether unicode dir should be create or not
    std::string dirPath = util->getWritablePath() + dir;
    if (!util->isDirectoryExist(dirPath))
    {
        util->createDirectory(dirPath);
    }

    act          = "create";
    bool isExist = util->isDirectoryExist(dirPath);
    label        = Label::createWithSystemFont(getMsg(isExist, dirPath), "", 12, Size(s.width, 0));
    label->setPosition(x, y * 4);
    this->addChild(label);

    if (isExist)
    {
        // Check whether unicode file should be create or not
        std::string filePath = dirPath + filename;
        if (!util->isFileExist(filePath))
        {
            std::string writeDataStr = " 测试字符串.";
            Data writeData;
            writeData.copy((unsigned char*)writeDataStr.c_str(), writeDataStr.size());
            util->writeDataToFile(writeData, filePath);
        }

        isExist = util->isFileExist(filePath);
        label   = Label::createWithSystemFont(getMsg(isExist, filePath), "", 12, Size(s.width, 0));
        label->setPosition(x, y * 3);
        this->addChild(label);

        act = "remove";
        if (isExist)
        {
            // read file content and log it
            unsigned char* buffer = nullptr;
            Data readData         = util->getDataFromFile(filePath);
            buffer                = (unsigned char*)malloc(sizeof(unsigned char) * (readData.getSize() + 1));
            memcpy(buffer, readData.getBytes(), readData.getSize());
            buffer[readData.getSize()] = '\0';
            // vc can't treat unicode string correctly, don't use unicode string in code
            log("The content of file from writable path: %s", buffer);
            free(buffer);

            // remove test file
            label = Label::createWithSystemFont(getMsg(util->removeFile(filePath), filePath), "", 12, Size(s.width, 0));
            label->setPosition(x, y * 2);
            this->addChild(label);
        }

        // remove test dir
        label = Label::createWithSystemFont(getMsg(util->removeDirectory(dirPath), dirPath), "", 12, Size(s.width, 0));
        label->setPosition(x, y * 1);
        this->addChild(label);
    }
}

void TestUnicodePath::onExit()
{

    FileUtils* sharedFileUtils = FileUtils::getInstance();
    sharedFileUtils->purgeCachedEntries();
    FileUtilsDemo::onExit();
}

std::string TestUnicodePath::title() const
{
    return "FileUtils: check unicode path";
}

std::string TestUnicodePath::subtitle() const
{
    return "";
}

// TestIsFileExist

void TestIsFileExistAsync::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s               = Director::getInstance()->getWinSize();
    auto sharedFileUtils = FileUtils::getInstance();

    sharedFileUtils->isFileExist("Images/grossini.png", [=](bool isExist) {
        AXASSERT(std::this_thread::get_id() == Director::getInstance()->getAxmolThreadId(),
                 "Callback should be on cocos thread");
        auto label = Label::createWithSystemFont(
            isExist ? "Images/grossini.png exists" : "Images/grossini.png doesn't exist", "", 20);
        label->setPosition(s.width / 2, s.height / 3);
        this->addChild(label);

        isExist = sharedFileUtils->isFileExist("Images/grossini.xcf");
        label   = Label::createWithSystemFont(
              isExist ? "Images/grossini.xcf exists" : "Images/grossini.xcf doesn't exist", "", 20);
        label->setPosition(s.width / 2, s.height / 3 * 2);
        this->addChild(label);
    });
}

void TestIsFileExistAsync::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestIsFileExistAsync::title() const
{
    return "FileUtilsAsync: check whether the file exists";
}

std::string TestIsFileExistAsync::subtitle() const
{
    return "";
}

void TestIsDirectoryExistAsync::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s    = Director::getInstance()->getWinSize();
    auto util = FileUtils::getInstance();
    int x = s.width / 2, y = s.height / 3;

    std::string dir;
    auto getMsg = [](bool b, std::string_view dir) -> std::string {
        char msg[512];
        snprintf((char*)msg, 512, "%s for dir: \"%s\"", b ? "success" : "failed", dir.data());
        return std::string(msg);
    };

    dir = util->getWritablePath();
    util->isDirectoryExist(dir, [=](bool exists) {
        AXASSERT(exists, "Writable path should exist");
        auto label = Label::createWithSystemFont(getMsg(exists, dir), "", 20);
        label->setPosition(x, y * 2);
        this->addChild(label);
    });
}

void TestIsDirectoryExistAsync::onExit()
{

    FileUtils* sharedFileUtils = FileUtils::getInstance();

    // reset filename lookup
    sharedFileUtils->purgeCachedEntries();

    FileUtilsDemo::onExit();
}

std::string TestIsDirectoryExistAsync::title() const
{
    return "FileUtilsAsync: check whether the directory exists";
}

std::string TestIsDirectoryExistAsync::subtitle() const
{
    return "";
}

void TestFileFuncsAsync::onEnter()
{
    FileUtilsDemo::onEnter();
    auto s               = Director::getInstance()->getWinSize();
    auto sharedFileUtils = FileUtils::getInstance();

    int x = s.width / 2, y = s.height / 5;

    std::string filename  = "__test.test";
    std::string filename2 = "__newtest.test";
    std::string filepath  = sharedFileUtils->getWritablePath() + filename;
    std::string content   = "Test string content to put into created file";
    std::string msg;

    auto out = fopen(filepath.c_str(), "w");
    fputs(content.c_str(), out);
    fclose(out);

    sharedFileUtils->isFileExist(filepath, [=](bool exists) {
        AXASSERT(exists, "File could not be found");
        auto label = Label::createWithSystemFont("Test file '__test.test' created", "", 20);
        label->setPosition(x, y * 4);
        this->addChild(label);

        sharedFileUtils->getFileSize(filepath, [=](int32_t size) {
            auto msg   = StringUtils::format("getFileSize: Test file size equals %d", size);
            auto label = Label::createWithSystemFont(msg, "", 20);
            label->setPosition(x, y * 3);
            this->addChild(label);

            sharedFileUtils->renameFile(sharedFileUtils->getWritablePath(), filename, filename2, [=](bool success) {
                AXASSERT(success, "Was not able to properly rename file");
                auto label = Label::createWithSystemFont("renameFile: Test file renamed to  '__newtest.test'", "", 20);
                label->setPosition(x, y * 2);
                this->addChild(label);

                sharedFileUtils->removeFile(sharedFileUtils->getWritablePath() + filename2, [=](bool success) {
                    AXASSERT(success, "Was not able to remove file");
                    auto label = Label::createWithSystemFont("removeFile: Test file removed", "", 20);
                    label->setPosition(x, y * 1);
                    this->addChild(label);
                });
            });
        });
    });
}

std::string TestFileFuncsAsync::title() const
{
    return "FileUtilsAsync: file control functions";
}

std::string TestFileFuncsAsync::subtitle() const
{
    return "";
}

void TestWriteStringAsync::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto writeResult = Label::createWithTTF("show writeResult", "fonts/Thonburi.ttf", 18);
    this->addChild(writeResult);
    writeResult->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 3);

    std::string writablePath = FileUtils::getInstance()->getWritablePath();
    std::string fileName     = "writeStringTest.txt";

    // writeTest
    std::string writeDataStr = "the string data will be write into a file";
    std::string fullPath     = writablePath + fileName;

    FileUtils::getInstance()->writeStringToFile(writeDataStr, fullPath, [=](bool success) {
        AXASSERT(success, "Write String to data failed");
        writeResult->setString("write success:" + writeDataStr);

        FileUtils::getInstance()->getStringFromFile(fullPath, [=](std::string_view value) {
            AXASSERT(!value.empty(), "String should be readable");

            std::string strVal = "read success: ";
            readResult->setString(strVal.append(value));
        });
    });
}

void TestWriteStringAsync::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestWriteStringAsync::title() const
{
    return "FileUtilsAsync: TestWriteString to files";
}

std::string TestWriteStringAsync::subtitle() const
{
    return "";
}

void TestWriteDataAsync::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto writeResult = Label::createWithTTF("show writeResult", "fonts/Thonburi.ttf", 18);
    this->addChild(writeResult);
    writeResult->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto readResult = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(readResult);
    readResult->setPosition(winSize.width / 2, winSize.height / 3);

    std::string writablePath = FileUtils::getInstance()->getWritablePath();
    std::string fileName     = "writeDataTest.txt";

    // writeTest
    std::string writeDataStr = "the binary data will be write into a file";
    Data writeData;
    writeData.copy((unsigned char*)writeDataStr.c_str(), writeDataStr.size());
    std::string fullPath = writablePath + fileName;

    FileUtils::getInstance()->writeDataToFile(writeData, fullPath, [=](bool success) {
        if (success)
        {
            writeResult->setString("Write result success");
        }
        else
        {
            writeResult->setString("Write result failure");
        }

        FileUtils::getInstance()->getDataFromFile(fullPath, [=](const Data& readData) {
            auto buffer = (unsigned char*)malloc(sizeof(unsigned char) * (readData.getSize() + 1));
            memcpy(buffer, readData.getBytes(), readData.getSize());
            buffer[readData.getSize()] = '\0';
            std::string readDataStr((const char*)buffer);
            free(buffer);

            readResult->setString("read success:" + readDataStr);
        });
    });
}

void TestWriteDataAsync::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestWriteDataAsync::title() const
{
    return "FileUtilsAsync: TestWriteData to files";
}

std::string TestWriteDataAsync::subtitle() const
{
    return "";
}

void TestListFiles::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto infoLabel = Label::createWithTTF("show file count, should not be 0", "fonts/Thonburi.ttf", 18);
    this->addChild(infoLabel);
    infoLabel->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto cntLabel = Label::createWithTTF("show readResult", "fonts/Thonburi.ttf", 18);
    this->addChild(cntLabel);
    cntLabel->setPosition(winSize.width / 2, winSize.height / 3);
    // writeTest
    std::vector<std::string> listFonts = FileUtils::getInstance()->listFiles("fonts");
    auto defaultPath                   = FileUtils::getInstance()->getDefaultResourceRootPath();
    std::vector<std::string> list      = FileUtils::getInstance()->listFiles(defaultPath);

    char cntBuffer[200] = {0};
    snprintf(cntBuffer, 200, "'fonts/' %zu, $defaultResourceRootPath %zu", listFonts.size(), list.size());

    for (int i = 0; i < listFonts.size(); i++)
    {
        AXLOG("fonts/ %d: \t %s", i, listFonts[i].c_str());
    }

    for (int i = 0; i < list.size(); i++)
    {
        AXLOG("defResRootPath %d: \t %s", i, list[i].c_str());
    }

    cntLabel->setString(cntBuffer);
}

void TestListFiles::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestListFiles::title() const
{
    return "FileUtils: list files of directory";
}

std::string TestListFiles::subtitle() const
{
    return "";
}

void TestIsFileExistRejectFolder::onEnter()
{
    FileUtilsDemo::onEnter();

    auto winSize = Director::getInstance()->getWinSize();

    auto infoLabel = Label::createWithTTF("tests folder 'NavMesh/maps', expect to be false", "fonts/Thonburi.ttf", 18);
    this->addChild(infoLabel);
    infoLabel->setPosition(winSize.width / 2, winSize.height * 3 / 4);

    auto cntLabel = Label::createWithTTF("waiting...", "fonts/Thonburi.ttf", 18);
    this->addChild(cntLabel);
    cntLabel->setPosition(winSize.width / 2, winSize.height / 3);

    auto exists      = FileUtils::getInstance()->isFileExist("NavMesh/maps");
    auto isDirectory = FileUtils::getInstance()->isDirectoryExist("NavMesh/maps");

    char cntBuffer[200] = {0};
    snprintf(cntBuffer, 200, "isDir: %s, isFile: %s", isDirectory ? "true" : "false", exists ? "true" : "false");
    cntLabel->setString(cntBuffer);
}

void TestIsFileExistRejectFolder::onExit()
{
    FileUtilsDemo::onExit();
}

std::string TestIsFileExistRejectFolder::title() const
{
    return "FileUtils: isFileExist(direname)";
}

std::string TestIsFileExistRejectFolder::subtitle() const
{
    return "";
}