public class SystemUtilTest extends UnitFessTestCase {

    public void test_getSearchEngineHttpAddress_null() {
        // Clear the system property to test null case
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
        System.clearProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {
            String result = SystemUtil.getSearchEngineHttpAddress();

    }

    // Test system property override
    public void test_get_systemPropertyOverride() {
        // Set system property that should override config
        String testKey = "test.property";
        String systemValue = "system-value";
        System.setProperty(Constants.FESS_CONFIG_PREFIX + testKey, systemValue);

        try {
            // Test that system property takes precedence

        assertEquals(0, roleSet.size());

        encrypted = false;
        value = System.currentTimeMillis() / 1000 + "\nrole1";
        roleSet = decodedRoleList(roleQueryHelperImpl, value, encrypted);
        assertEquals(1, roleSet.size());
        assertTrue(roleSet.contains("role1"));

        encrypted = false;
        value = System.currentTimeMillis() / 1000 + "\nrole1,role2";

        System.out.printf("%.2f Executing call.%n", (System.nanoTime() - startNanos) / 1e9f)
        try {
          call.execute().use { response ->
            System.out.printf("%.2f Call was expected to fail, but completed: %s%n",
                (System.nanoTime() - startNanos) / 1e9f, response)
          }
        } catch (e: IOException) {
          System.out.printf("%.2f Call failed as expected: %s%n",

    if (future.isDone()) {
      return;
    }
    long timeoutSeconds = timeoutSeconds();
    long deadline = System.nanoTime() + SECONDS.toNanos(timeoutSeconds);
    do {
      System.runFinalization();
      if (future.isDone()) {
        return;
      }
      System.gc();
      try {
        future.get(1L, SECONDS);
        return;
      } catch (CancellationException | ExecutionException ok) {

        // Test with no rules
        long start = System.currentTimeMillis();
        helper.delayByRules();
        long end = System.currentTimeMillis();
        assertTrue(end - start < 50); // Should return quickly

        // Test with rule that has no delay
        helper.addIntervalRule("01:30", "15:15", "*", 0);
        start = System.currentTimeMillis();
        helper.delayByRules();

            "A device attached to the system is not functioning.", "Incorrect function.", "The parameter is incorrect.",
            "Invalid access to memory location.", "The handle is invalid.", "The parameter is incorrect.",
            "The system cannot find the file specified.", "The system cannot find the file specified.", "End of file",

        when(mockFile1.lastModified()).thenReturn(System.currentTimeMillis() - 3600000);
        when(mockFile1.isDirectory()).thenReturn(false);
        when(mockFile1.getAttributes()).thenReturn(0x20); // FILE_ATTRIBUTE_ARCHIVE
        when(mockFile1.createTime()).thenReturn(System.currentTimeMillis() - 7200000);
        when(mockFile1.lastAccess()).thenReturn(System.currentTimeMillis() - 1800000);

    public void test_getJavaVersion() {
        System.setProperty("java.version", "1.4.2_19");
        assertEquals(4, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.5.0_15");
        assertEquals(5, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.6.0_34");
        assertEquals(6, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.7.0_25");

        SMBUtil.writeInt4(1, buffer, 4); // fileIndex
        SMBUtil.writeTime(System.currentTimeMillis(), buffer, 8); // creationTime
        SMBUtil.writeTime(System.currentTimeMillis(), buffer, 16); // lastAccessTime
        SMBUtil.writeTime(System.currentTimeMillis(), buffer, 24); // lastWriteTime
        SMBUtil.writeTime(System.currentTimeMillis(), buffer, 32); // changeTime
        SMBUtil.writeInt8(1024L, buffer, 40); // endOfFile