// ## Act ##
        final File tmpDir = Curl.tmpDir;

        // ## Assert ##
        assertNotNull(tmpDir);
        assertTrue(tmpDir.exists());
        assertTrue(tmpDir.isDirectory());
        assertTrue(tmpDir.canRead());
        assertTrue(tmpDir.canWrite());
        assertEquals(new File(System.getProperty("java.io.tmpdir")).getAbsolutePath(), tmpDir.getAbsolutePath());
    }

    @Test

        generator.setCommandDestroyTimeout(timeout);
        assertTrue(true);
    }

    public void test_setBaseDir() throws Exception {
        final File tempDir = new File(System.getProperty("java.io.tmpdir"));
        generator.setBaseDir(tempDir);
        assertTrue(true);
    }

    public void test_setCommandList() throws Exception {
        final List<String> commands = Collections.singletonList("test_command");

        assertNotNull(cache);
    }

    @Test
    public void testFileBasedCacheConstructor() throws IOException {
        tempFile = File.createTempFile("test", ".tmp", Curl.tmpDir);
        ContentCache cache = new ContentCache(tempFile);

        assertNotNull(cache);
    }

    @Test
    public void testMemoryBasedCacheGetInputStream() throws IOException {

 *
 * <p>The temporary directory used by Curl is defined by the {@code tmpDir} field, which is initialized
 * to the system's temporary directory.</p>
 */
public class Curl {

    /**
     * The temporary directory used by Curl. It is initialized to the system's temporary directory.
     */
    public static final File tmpDir = new File(System.getProperty("java.io.tmpdir"));

    /**
     * Private constructor to prevent instantiation.

     *
     * @param threshold the threshold in bytes for writing to memory before writing to a file
     * @param tmpDir the temporary directory to create the file in
     */
    public ContentOutputStream(final int threshold, final File tmpDir) {
        super(threshold, PREFIX, SUFFIX, tmpDir);
    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;

        File ownTmpDir = null;
        final String tmpDir = System.getProperty("java.io.tmpdir");
        if (fessConfig.isUseOwnTmpDir() && StringUtil.isNotBlank(tmpDir)) {
            ownTmpDir = new File(tmpDir, "fessTmpDir_" + sessionId);
            if (ownTmpDir.mkdirs()) {
                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());

     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> system property. Example: /tmp
     */
    public static final String JAVA_IO_TMPDIR = System.getProperty("java.io.tmpdir");

    /**
     * <code>user.dir</code> system property.
     */
    public static final String USER_DIR = System.getProperty("user.dir");

    /**

    private static final String FESS_WEBAPP_PATH = "fess.webapp.path";

    /** System property key for Java temporary directory */
    private static final String JAVA_IO_TMPDIR = "java.io.tmpdir";

    /** System property key for Tomcat configuration path */
    private static final String TOMCAT_CONFIG_PATH = "tomcat.config.path";

    /**