diff --git a/storage/storagefileiov9jstest/src/main/js/test/List.test.js b/storage/storagefileiov9jstest/src/main/js/test/List.test.js
index fe3fc11330093e40ca9cf29b6ecfb39c22c49787..0c0f396c306ccfc495a83ccc0aa2b26780ff6e43 100644
--- a/storage/storagefileiov9jstest/src/main/js/test/List.test.js
+++ b/storage/storagefileiov9jstest/src/main/js/test/List.test.js
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Huawei Device Co., Ltd.
+ * Copyright (C) 2022-2023 Huawei Device Co., Ltd.
  * Licensed 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
@@ -13,15 +13,23 @@
  * limitations under the License.
  */
 
+import fileIOFdatasync from './members/fdatasync.test.js'
+import fileIOFsync from './members/fsync.test.js'
+import fileIOLstat from './members/lstat.test.js'
 import fileIOOpen from './members/open.test.js'
 import fileIORead from './members/read.test.js'
 import fileIOStat from './members/stat.test.js'
+import fileIOSymlink from './members/symlink.test.js'
 import fileIOTruncate from './members/truncate.test.js'
 import fileIOWrite from './members/write.test.js'
 export default function testsuite() {
+    fileIOFdatasync()
+    fileIOFsync()
+    fileIOLstat()
     fileIOOpen()
     fileIORead()
     fileIOStat()
+    fileIOSymlink()
     fileIOTruncate()
     fileIOWrite()
 }
diff --git a/storage/storagefileiov9jstest/src/main/js/test/members/lstat.test.js b/storage/storagefileiov9jstest/src/main/js/test/members/lstat.test.js
new file mode 100644
index 0000000000000000000000000000000000000000..c1e055596a2e0df1a1ab1d03ae82d73a664f42c0
--- /dev/null
+++ b/storage/storagefileiov9jstest/src/main/js/test/members/lstat.test.js
@@ -0,0 +1,1707 @@
+/*
+ * Copyright (C) 2023 Huawei Device Co., Ltd.
+ * Licensed 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an 'AS IS' BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  fileIO, FILE_CONTENT, prepareFile, nextFileName, isIntNum, isBoolean, isBigInt,
+  describe, it, expect,
+} from '../Common';
+
+export default function fileIOLstat() {
+describe('fileIO_fs_lstat', function () {
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_SYNC_0000
+   * @tc.name fileIO_lstat_sync_000
+   * @tc.desc Test lstatSync() interface.
+   * Enter the path parameter to get the file stat.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_sync_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_sync_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat !== null).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_sync_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_SYNC_0100
+   * @tc.name fileIO_lstat_sync_001
+   * @tc.desc Test lstatSync() interface.
+   * The path point to nothing, no such file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_sync_001', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_sync_001');
+
+    try {
+      fileIO.lstatSync(fpath);
+      expect(false).assertTrue();
+    } catch (e) {
+      console.log('fileIO_lstat_sync_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900002 && e.message == 'No such file or directory').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_SYNC_0200
+   * @tc.name fileIO_lstat_sync_002
+   * @tc.desc Test lstatSync() interface.
+   * Missing parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_sync_002', 0, async function () {
+
+    try {
+      fileIO.lstatSync();
+      expect(false).assertTrue();
+    } catch (e) {
+      console.log('fileIO_lstat_sync_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_INO_0000
+   * @tc.name fileIO_lstat_ino_000
+   * @tc.desc Test the ino member of class Stat.
+   * Enter the path parameter to get stat.ino of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_ino_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_ino_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isBigInt(stat.ino)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_ino_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_MODE_0000
+   * @tc.name fileIO_lstat_mode_000
+   * @tc.desc Test the mode member of class Stat.
+   * Enter the path parameter to get stat.mode of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_mode_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_mode_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.mode)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_mode_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_UID_0000
+   * @tc.name fileIO_lstat_uid_000
+   * @tc.desc Test the uid member of class Stat.
+   * Enter the path parameter to get stat.uid of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_uid_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_uid_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.uid)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_uid_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_GID_0000
+   * @tc.name fileIO_lstat_gid_000
+   * @tc.desc Test the gid member of class Stat.
+   * Enter the path parameter to get stat.gid of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_gid_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_gid_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.gid)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_gid_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_SIZE_0000
+   * @tc.name fileIO_lstat_size_000
+   * @tc.desc Test the size member of class Stat.
+   * Enter the path parameter to get stat.size of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_size_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_size_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try { 
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.size)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_size_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ATIME_0000
+   * @tc.name fileIO_lstat_atime_000
+   * @tc.desc Test the atime member of class Stat.
+   * Enter the path or parameter to get stat.atime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_atime_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_atime_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.atime)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_atime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_MTIME_0000
+   * @tc.name fileIO_lstat_mtime_000
+   * @tc.desc Test the mtime member of class Stat.
+   * Enter the path parameter to get stat.mtime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_mtime_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_mtime_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.mtime)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_mtime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_CTIME_0000
+   * @tc.name fileIO_lstat_ctime_000
+   * @tc.desc Test the ctime member of class Stat.
+   * Enter the path parameter to get stat.ctime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_ctime_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_ctime_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.ctime)).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_ctime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_BLOCK_DEVICE_0000
+   * @tc.name fileIO_lstat_is_block_device_000
+   * @tc.desc Test Lstat.isBlockDevice() interface.
+   * This interface shall not treat a normal file as a block special device.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_block_device_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_block_device_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isBlockDevice() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_block_device_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_BLOCK_DEVICE_0100
+   * @tc.name fileIO_test_lstat_is_block_device_001
+   * @tc.desc Test Lstat.isBlockDevice() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_lstat_is_block_device_001', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_lstat_is_block_device_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstatSync(fpath).isBlockDevice(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.info('fileIO_test_lstat_is_block_device_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_CHARACTER_DEVICE_0000
+   * @tc.name fileIO_lstat_is_character_device_000
+   * @tc.desc Test Lstat.isCharacterDevice() interface.
+   * This interface shall not treat a normal file as a character special device.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_character_device_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_character_device_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isCharacterDevice() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_character_device_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_CHARACTER_DEVICE_0100
+   * @tc.name fileIO_lstat_is_character_device_001
+   * @tc.desc Test Lstat.isCharacterDevice() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_lstat_is_character_device_001', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_lstat_is_character_device_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstatSync(fpath).isCharacterDevice(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_test_lstat_is_character_device_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_DIRECTORY_0000
+   * @tc.name fileIO_lstat_is_directory_000
+   * @tc.desc Test Lstat.isDirectory() interface.
+   * This interface shall not treat a normal file as a directory.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_directory_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_directory_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isDirectory() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_directory_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_DIRECTORY_0100
+   * @tc.name fileIO_lstat_is_directory_001
+   * @tc.desc Test Lstat.isDirectory() interface.
+   * This interface shall treat a directory as a directory.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_directory_001', 0, async function () {
+    let dpath = await nextFileName('fileIO_lstat_is_directory_001') + 'd';
+
+    try {
+      fileIO.mkdirSync(dpath);
+      let stat = fileIO.lstatSync(dpath);
+      expect(stat.isDirectory() === true).assertTrue();
+      fileIO.rmdirSync(dpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_directory_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_DIRECTORY_0200
+   * @tc.name fileIO_lstat_is_directory_002
+   * @tc.desc Test Lstat.isDirectory() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_directory_002', 0, async function () {
+    let dpath = await nextFileName('fileIO_lstat_is_directory_002') + 'd';
+
+    try {
+      fileIO.mkdirSync(dpath);
+      fileIO.lstatSync(dpath).isDirectory(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.rmdirSync(dpath);
+      console.log('fileIO_lstat_is_directory_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_FIFO_0000
+   * @tc.name fileIO_lstat_is_fifo_000
+   * @tc.desc Test Lstat.isFIFO() interface.
+   * This interface shall not treat a normal file as a FIFO.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_fifo_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_fifo_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isFIFO() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_fifo_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_FIFO_0100
+   * @tc.name fileIO_lstat_is_fifo_001
+   * @tc.desc Test Lstat.isFIFO() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_lstat_is_fifo_002', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_lstat_is_fifo_002');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstatSync(fpath).isFIFO(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_test_lstat_is_fifo_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_FILE_0000
+   * @tc.name fileIO_lstat_is_file_000
+   * @tc.desc Test Lstat.isFile() interface.
+   * This interface shall treat a normal file as a normal file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_file_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_file_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isFile() === true).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_file_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_FILE_0100
+   * @tc.name fileIO_lstat_is_file_001
+   * @tc.desc Test Lstat.isFile() interface.
+   * This interface shall not treat a directory as a normal file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_file_001', 0, async function () {
+    let dpath = await nextFileName('fileIO_lstat_is_file_001');
+
+    try {
+      fileIO.mkdirSync(dpath);
+      let stat = fileIO.lstatSync(dpath);
+      expect(stat.isFile() === false).assertTrue();
+      fileIO.rmdirSync(dpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_file_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_FILE_0200
+   * @tc.name fileIO_test_lstat_is_file_002
+   * @tc.desc Test Lstat.isFile() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_lstat_is_file_002', 0, async function () {
+    let dpath = await nextFileName('fileIO_test_lstat_is_file_002');
+
+    try {
+      fileIO.mkdirSync(dpath);
+      fileIO.lstatSync(dpath).isFile(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.rmdirSync(dpath);
+      console.log('fileIO_test_lstat_is_file_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_SOCKET_0000
+   * @tc.name fileIO_lstat_is_socket_000
+   * @tc.desc Test Lstat.isSocket() interface.
+   * This interface shall not treat a file as a socket.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_socket_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_socket_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isSocket() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_lstat_is_socket_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_SOCKET_0100
+   * @tc.name fileIO_lstat_is_socket_001
+   * @tc.desc Test Lstat.isSocket() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_socket_001', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_socket_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstatSync(fpath).isSocket(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_lstat_is_socket_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_SYMBOLIC_LINK_0000
+   * @tc.name fileIO_lstat_is_symbolic_link_000
+   * @tc.desc Test Lstat.isSymbolicLink() interface.
+   * This interface shall not treat a normal file as a symbolic link.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_symbolic_link_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_symbolic_link_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(stat.isSymbolicLink() === false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_lstat_is_symbolic_link_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_IS_SYMBOLIC_LINK_0100
+   * @tc.name fileIO_lstat_is_symbolic_link_001
+   * @tc.desc Test Lstat.isSymbolicLink() interface.
+   * This interface does not require parameters.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_is_symbolic_link_001', 0, async function () {
+    let fpath = await nextFileName('fileIO_lstat_is_symbolic_link_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstatSync(fpath).isSymbolicLink(-1);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_lstat_is_symbolic_link_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_0000
+   * @tc.name fileIO_lstat_async_000
+   * @tc.desc Test lstat() interface. Promise.then().catch()
+   * Enter the path parameter to get the file stat.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath).then((stat) => {
+        expect(stat !== null).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      }).catch((err) => {
+        console.log('fileIO_lstat_async_000 error package: ' + JSON.stringify(err));
+        expect(false).assertTrue();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_0100
+   * @tc.name fileIO_lstat_async_001
+   * @tc.desc Test lstat() interface. Callback.
+   * Enter the path or parameter to get the file stat.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err) => {
+        if(err) {
+          console.log('fileIO_lstat_async_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_0200
+   * @tc.name fileIO_lstat_async_002
+   * @tc.desc Test lstat() interface. Promise.
+   * Enter the path or parameter to get the file stat.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_002', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_002');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat !== null).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_0300
+   * @tc.name fileIO_lstat_async_003
+   * @tc.desc Test lstat() interface.
+   * The path point to nothing, no such file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_003', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_003');
+
+    try {
+      fileIO.lstat(fpath, (err) => {
+        if (err) {
+          console.log('fileIO_lstat_async_003 error package: {' + err.message + ', code: ' + err.code + '}');
+          expect(err.code == 13900002 && err.message == 'No such file or directory').assertTrue();
+          done();
+        }
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_003 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_0400
+   * @tc.name fileIO_lstat_async_004
+   * @tc.desc Test lstat() interface. Promise.
+   * The path point to nothing, no such file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_004', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_004');
+
+    try {
+      await fileIO.lstat(fpath);
+      expect(false).assertTrue();
+    } catch (e) {
+      console.log('fileIO_lstat_async_004 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900002 && e.message == 'No such file or directory').assertTrue();
+      done();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_INO_0000
+   * @tc.name fileIO_lstat_async_ino_000
+   * @tc.desc Test the ino member of class Stat. Promise.
+   * Enter the path parameter to get stat.ino of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_ino_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_ino_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isBigInt(stat.ino)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_ino_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_INO_0100
+   * @tc.name fileIO_lstat_async_ino_001
+   * @tc.desc Test the ino member of class Stat. Callback.
+   * Enter the path parameter to get stat.ino of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_ino_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_ino_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if(err) {
+          console.log('fileIO_lstat_async_ino_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+      expect(isBigInt(stat.ino)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_ino_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_MODE_0000
+   * @tc.name fileIO_lstat_async_mode_000
+   * @tc.desc Test the mode member of class Stat. Promise.
+   * Enter the path or parameter to get stat.mode of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_mode_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_mode_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.mode)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_mode_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_MODE_0100
+   * @tc.name fileIO_lstat_async_mode_001
+   * @tc.desc Test the mode member of class Stat. Callback.
+   * Enter the path or parameter to get stat.mode of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_mode_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_mode_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if(err) {
+          console.log('fileIO_lstat_async_mode_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.mode)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_mode_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_UID_0000
+   * @tc.name fileIO_lstat_async_uid_000
+   * @tc.desc Test the uid member of class Stat. Promise.
+   * Enter the path parameter to get stat.uid of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_uid_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_uid_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.uid)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_uid_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_UID_0100
+   * @tc.name fileIO_lstat_async_uid_001
+   * @tc.desc Test the uid member of class Stat. Callback.
+   * Enter the path parameter to get stat.uid of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_uid_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_uid_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if(err) {
+          console.log('fileIO_lstat_async_uid_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.uid)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_uid_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_GID_0000
+   * @tc.name fileIO_lstat_async_gid_000
+   * @tc.desc Test the gid member of class Stat. Promise.
+   * Enter the path parameter to get stat.gid of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_gid_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_gid_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.gid)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_gid_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_GID_0100
+   * @tc.name fileIO_lstat_async_gid_001
+   * @tc.desc Test the gid member of class Stat. Callback.
+   * Enter the path parameter to get stat.gid of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_gid_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_gid_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_gid_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.gid)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_gid_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_SIZE_0000
+   * @tc.name fileIO_lstat_async_size_000
+   * @tc.desc Test the size member of class Stat. Promise.
+   * Enter the path parameter to get stat.size of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_size_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_size_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.size)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_size_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_SIZE_0100
+   * @tc.name fileIO_lstat_async_size_001
+   * @tc.desc Test the size member of class Stat. Callback.
+   * Enter the path parameter to get stat.size of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_size_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_size_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_size_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.size)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_size_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_ATIME_0000
+   * @tc.name fileIO_lstat_async_atime_000
+   * @tc.desc Test the atime member of class Stat. Promise.
+   * Enter the path parameter to get stat.atime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_atime_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_atime_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.atime)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_atime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_ATIME_0100
+   * @tc.name fileIO_lstat_async_atime_001
+   * @tc.desc Test the atime member of class Stat. Callback.
+   * Enter the path or fd parameter to get stat.atime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_atime_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_atime_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_atime_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.atime)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_atime_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_MTIME_0000
+   * @tc.name fileIO_lstat_async_mtime_000
+   * @tc.desc Test the mtime member of class Stat. Promise.
+   * Enter the path or fd parameter to get stat.mtime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_mtime_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_mtime_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.mtime)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_mtime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_MTIME_0100
+   * @tc.name fileIO_lstat_async_mtime_001
+   * @tc.desc Test the mtime member of class Stat. Callback.
+   * Enter the path or fd parameter to get stat.mtime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_mtime_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_mtime_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_mtime_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.mtime)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_mtime_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_CTIME_0000
+   * @tc.name fileIO_lstat_async_ctime_000
+   * @tc.desc Test the ctime member of class Stat. Promise.
+   * Enter the path or fd parameter to get stat.ctime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_ctime_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_ctime_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(isIntNum(stat.ctime)).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_ctime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_CTIME_0100
+   * @tc.name fileIO_lstat_async_ctime_001
+   * @tc.desc Test the ctime member of class Stat. Callback.
+   * Enter the path or fd parameter to get stat.ctime of the file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_ctime_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_ctime_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_ctime_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(isIntNum(stat.ctime)).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_ctime_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_BLOCK_DEVICE_0000
+   * @tc.name fileIO_lstat_async_is_block_device_000
+   * @tc.desc Test the isBlockDevice() method of class Stat. Promise.
+   * This interface shall not treat a normal file as a block special device.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_block_device_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_block_device_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isBlockDevice() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_block_device_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_BLOCK_DEVICE_0010
+   * @tc.name fileIO_lstat_async_is_block_device_001
+   * @tc.desc Test the isBlockDevice() method of class Stat. Callback.
+   * This interface shall not treat a normal file as a block special device.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_block_device_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_block_device_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_block_device_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isBlockDevice() === false).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_block_device_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_CHARACTER_DEVICE_0000
+   * @tc.name fileIO_lstat_async_is_character_device_000
+   * @tc.desc Test the isCharacterDevice() method of class Stat. Promise.
+   * This interface shall not treat a normal file as a character special device.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_character_device_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_character_device_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isCharacterDevice() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_character_device_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_CHARACTER_DEVICE_0010
+   * @tc.name fileIO_lstat_async_is_character_device_001
+   * @tc.desc Test the isCharacterDevice() method of class Stat. Callback.
+   * This interface shall not treat a normal file as a character special device.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_character_device_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_character_device_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_character_device_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isCharacterDevice() === false).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_character_device_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_DIRECTORY_0000
+   * @tc.name fileIO_lstat_async_is_directory_000
+   * @tc.desc Test the isDirectory() method of class Stat. Promise.
+   * This interface shall not treat a normal file as a directory.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_directory_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_directory_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isDirectory() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_directory_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_DIRECTORY_0010
+   * @tc.name fileIO_lstat_async_is_directory_001
+   * @tc.desc Test the isDirectory() method of class Stat. Promise.
+   * This interface shall not treat a directory as a directory.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_directory_001', 0, async function (done) {
+    let dpath = await nextFileName('fileIO_lstat_async_is_directory_001') + 'd';
+
+
+    try {
+      fileIO.mkdirSync(dpath);
+      let stat = await fileIO.lstat(dpath);
+      expect(stat.isDirectory() === true).assertTrue();
+      fileIO.rmdirSync(dpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_directory_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_DIRECTORY_0020
+   * @tc.name fileIO_lstat_async_is_directory_002
+   * @tc.desc Test the isDirectory() method of class Stat. Callback.
+   * This interface shall not treat a directory as a directory.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_directory_002', 0, async function (done) {
+    let dpath = await nextFileName('fileIO_lstat_async_is_directory_002') + 'd';
+
+    try {
+      fileIO.mkdirSync(dpath);
+      fileIO.lstat(dpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_directory_002 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isDirectory() === true).assertTrue();
+        fileIO.rmdirSync(dpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_directory_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_FIFO_0000
+   * @tc.name fileIO_lstat_async_is_fifo_000
+   * @tc.desc Test the isFIFO() method of class Stat. Promise.
+   * This interface shall not treat a normal file as a FIFO.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_fifo_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_fifo_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isFIFO() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_fifo_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_FIFO_0010
+   * @tc.name fileIO_lstat_async_is_fifo_001
+   * @tc.desc Test the isFIFO() method of class Stat. Callback.
+   * This interface shall not treat a normal file as a FIFO.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_fifo_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_fifo_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_character_device_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isFIFO() === false).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_fifo_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_FILE_0000
+   * @tc.name fileIO_lstat_async_is_file_000
+   * @tc.desc Test the isFile() method of class Stat. Promise.
+   * This interface shall treat a normal file as a normal file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_file_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_file_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isFile() === true).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_file_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_FILE_0010
+   * @tc.name fileIO_lstat_async_is_file_001
+   * @tc.desc Test the isFile() method of class Stat. Callback.
+   * This interface shall treat a normal file as a normal file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_file_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_file_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_file_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isFile() === true).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_file_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_FILE_0020
+   * @tc.name fileIO_lstat_async_is_file_002
+   * @tc.desc Test the isFile() method of class Stat. Promise.
+   * This interface shall not treat a directory as a normal file.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_file_002', 0, async function (done) {
+    let dpath = await nextFileName('fileIO_lstat_async_is_file_002');
+
+    try {
+      fileIO.mkdirSync(dpath);
+      let stat = await fileIO.lstat(dpath);
+      expect(stat.isFile() === false).assertTrue();
+      fileIO.rmdirSync(dpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_file_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_SOCKET_0000
+   * @tc.name fileIO_lstat_async_is_socket_000
+   * @tc.desc Test the isSocket() method of class Stat. Promise.
+   * This interface shall not treat a file as a socket.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_socket_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_socket_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isSocket() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_socket_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_SOCKET_0010
+   * @tc.name fileIO_lstat_async_is_socket_001
+   * @tc.desc Test the isSocket() method of class Stat. Callback.
+   * This interface shall not treat a file as a socket.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_socket_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_socket_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_socket_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isSocket() === false).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_socket_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_SYMBOLIC_LINK_0000
+   * @tc.name fileIO_lstat_async_is_symbolic_link_000
+   * @tc.desc Test the isSymbolicLink() method of class Stat. Promise.
+   * This interface shall not treat a normal file as a symbolic link.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_symbolic_link_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_symbolic_link_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = await fileIO.lstat(fpath);
+      expect(stat.isSymbolicLink() === false).assertTrue();
+      fileIO.unlinkSync(fpath);
+      done();
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_symbolic_link_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_LSTAT_ASYNC_IS_SYMBOLIC_LINK_0100
+   * @tc.name fileIO_lstat_async_is_symbolic_link_001
+   * @tc.desc Test the isSymbolicLink() method of class Stat. Callback.
+   * This interface shall not treat a normal file as a symbolic link.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_lstat_async_is_symbolic_link_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_lstat_async_is_symbolic_link_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.lstat(fpath, (err, stat) => {
+        if (err) {
+          console.log('fileIO_lstat_async_is_symbolic_link_001 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(stat.isSymbolicLink() === false).assertTrue();
+        fileIO.unlinkSync(fpath);
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_lstat_async_is_symbolic_link_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_APPEND_FILE_SYNC_0010
+   * @tc.name fileIO_test_append_file_sync_000
+   * @tc.desc Test lstat.lstatSync() interface.
+   * Modify the file, view the file status changes by path.
+   * @tc.size MEDIUM
+   * @tc.type Function
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_append_file_sync_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_append_file_sync_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      let stat = fileIO.lstatSync(fpath);
+      expect(isIntNum(stat.size)).assertTrue();
+
+      let file = fileIO.openSync(fpath, fileIO.OpenMode.APPEND | fileIO.OpenMode.READ_WRITE);
+      expect(isIntNum(file.fd)).assertTrue();
+
+      expect(fileIO.writeSync(file.fd, FILE_CONTENT) == FILE_CONTENT.length).assertTrue();
+      fileIO.closeSync(file.fd);
+
+      stat = fileIO.lstatSync(fpath);
+      expect(stat.size == FILE_CONTENT.length * 2).assertTrue();
+      fileIO.unlinkSync(fpath);
+    } catch (e) {
+      console.log('fileIO_test_append_file_sync_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+})
+}
diff --git a/storage/storagefileiov9jstest/src/main/js/test/members/symlink.test.js b/storage/storagefileiov9jstest/src/main/js/test/members/symlink.test.js
new file mode 100644
index 0000000000000000000000000000000000000000..91b7d43f4606cf9fb7cbfb0e04712bdd6b0bb270
--- /dev/null
+++ b/storage/storagefileiov9jstest/src/main/js/test/members/symlink.test.js
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2023 Huawei Device Co., Ltd.
+ * Licensed 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an 'AS IS' BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  fileIO, FILE_CONTENT, prepareFile, nextFileName, describe, it, expect,
+} from '../Common';
+
+export default function fileIOSymlink() {
+describe('fileIO_fs_symlink', function () {
+
+  /**
+   * @tc.number SUB_DF_FILEIO_SYMLINK_SYNC_0000
+   * @tc.name fileIO_test_symlink_sync_000
+   * @tc.desc Test symlinkSync() interfaces.
+   * Create a symbolic link to verify normal function.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_symlink_sync_000', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_symlink_sync_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.symlinkSync(fpath, fpath + 'link0');
+      expect(fileIO.accessSync(fpath + 'link0')).assertTrue();
+      fileIO.unlinkSync(fpath);
+      fileIO.unlinkSync(fpath + 'link0');
+    } catch (e) {
+      console.log('fileIO_test_symlink_sync_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_SYMLINK_SYNC_0100
+   * @tc.name fileIO_test_symlink_sync_001
+   * @tc.desc Test symlinkSync() interfaces.
+   * Missing parameter.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_symlink_sync_001', 0, async function () {
+    let fpath = await nextFileName('fileIO_test_symlink_sync_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.symlinkSync(fpath);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_test_symlink_sync_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_SYMLINK_ASYNC_0000
+   * @tc.name fileIO_test_symlink_async_000
+   * @tc.desc Test SymlinkAsync interfaces. Promise.then().catch()
+   * Create a symbolic link to verify normal function.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_symlink_async_000', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_symlink_async_000');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.symlink(fpath, fpath + 'link3').then(() => {
+        expect(fileIO.accessSync(fpath + 'link3')).assertTrue();
+        fileIO.unlinkSync(fpath);
+        fileIO.unlinkSync(fpath + 'link3');
+      }).catch((err) => {
+        console.log('fileIO_test_symlink_async_000 error package: ' + JSON.stringify(err));
+        expect(false).assertTrue();
+      })
+      done();
+    } catch (e) {
+      console.log('fileIO_test_symlink_async_000 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_SYMLINK_ASYNC_0100
+   * @tc.name fileIO_test_symlink_async_001
+   * @tc.desc Test SymlinkAsync interfaces. await Promise.
+   * Create a symbolic link to verify normal function.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_symlink_async_001', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_symlink_async_001');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      await fileIO.symlink(fpath, fpath + 'link4');
+      expect(fileIO.accessSync(fpath + 'link4')).assertTrue();
+      fileIO.unlinkSync(fpath);
+      fileIO.unlinkSync(fpath + 'link4');
+      done();
+    } catch (e) {
+      console.log('fileIO_test_symlink_async_001 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_SYMLINK_ASYNC_0200
+   * @tc.name fileIO_test_symlink_async_002
+   * @tc.desc Test SymlinkAsync interfaces. Promise.
+   * Create a symbolic link to verify normal function.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_symlink_async_002', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_symlink_async_002');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      fileIO.symlink(fpath, fpath + 'link5', (err) => {
+        if (err) {
+          console.log('fileIO_test_symlink_async_002 error package: ' + JSON.stringify(err));
+          expect(false).assertTrue();
+        }
+        expect(fileIO.accessSync(fpath + 'link5')).assertTrue();
+        fileIO.unlinkSync(fpath);
+        fileIO.unlinkSync(fpath + 'link5');
+        done();
+      });
+    } catch (e) {
+      console.log('fileIO_test_symlink_async_002 has failed for ' + e.message + ', code: ' + e.code);
+      expect(false).assertTrue();
+    }
+  });
+
+  /**
+   * @tc.number SUB_DF_FILEIO_SYMLINK_ASYNC_0300
+   * @tc.name fileIO_test_symlink_async_003
+   * @tc.desc Test SymlinkAsync interfaces. Promise.
+   * Missing parameter.
+   * @tc.size MEDIUM
+   * @tc.type Functoin
+   * @tc.level Level 0
+   * @tc.require
+   */
+  it('fileIO_test_symlink_async_003', 0, async function (done) {
+    let fpath = await nextFileName('fileIO_test_symlink_async_003');
+    expect(prepareFile(fpath, FILE_CONTENT)).assertTrue();
+
+    try {
+      await fileIO.symlink(fpath);
+      expect(false).assertTrue();
+    } catch (e) {
+      fileIO.unlinkSync(fpath);
+      console.log('fileIO_test_symlink_async_003 has failed for ' + e.message + ', code: ' + e.code);
+      expect(e.code == 13900020 && e.message == 'Invalid argument').assertTrue();
+      done();
+    }
+  });
+});
+}