suite.addTest(
        SetTestSuiteBuilder.using(
                new TestStringSetGenerator() {
                  @Override
                  protected Set<String> create(String[] elements) {
                    CompactHashSet<String> set = CompactHashSet.create(asList(elements));
                    for (int i = 0; i < 100; i++) {
                      set.add("extra" + i);
                    }

        char[] plaintext = "TestPassword456".toCharArray();

        // Encrypt to string
        String encryptedStr = storage.encryptToString(plaintext);
        assertNotNull(encryptedStr, "Encrypted string should not be null");
        assertFalse(encryptedStr.contains("TestPassword456"), "Plaintext should not be visible in encrypted string");

        // Should be valid base64

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

        // Test default empty when no env var is set
        String originalAppType = System.getenv("FESS_APP_TYPE");

        // Since we can't modify environment variables directly,
        // we test the current behavior
        String appType = ResourceUtil.getAppType();
        assertNotNull(appType);
        // appType should be either empty string or the actual env value

                builder.startObject();
                builder.field("string", "test");
                builder.endObject();
                return builder;
            }
        };

        try {
            String result = SearchEngineUtil.getXContentString(xContent, XContentType.JSON);
            assertNotNull(result);
            assertTrue(result.contains("string"));
            assertTrue(result.contains("test"));

  private static final int VALUE_PREFIX = 12345;
  private static final String KEY_PREFIX = "key prefix:";

  public void testExpiration_expireAfterWrite() {
    FakeTicker ticker = new FakeTicker();
    CountingRemovalListener<String, Integer> removalListener = countingRemovalListener();
    WatchedCreatorLoader loader = new WatchedCreatorLoader();
    LoadingCache<String, Integer> cache =
        CacheBuilder.newBuilder()

    private lateinit var enabledProtocols: Array<String>
    private lateinit var supportedCipherSuites: Array<String>
    private lateinit var enabledCipherSuites: Array<String>

    override fun getEnabledProtocols(): Array<String> = enabledProtocols

    override fun setEnabledProtocols(protocols: Array<String>) {
      this.enabledProtocols = protocols
    }

        assertTrue(responseData.getUrl().endsWith("test/text%203.txt"));
        final String content = new String(InputStreamUtil.getBytes(responseData.getResponseBody()), "UTF-8");
        assertEquals("test3\n", content);
    }

    public void test_preprocessUri() {
        String value;
        String result;

        value = "file://test.txt";
        result = "file://test.txt";

     * The date pattern.
     */
    protected String pattern;

    /**
     * Constructs an instance.
     *
     * @param pattern
     *            the date pattern
     */
    public SqlDateConverter(final String pattern) {
        assertArgumentNotEmpty("pattern", pattern);
        this.pattern = pattern;
    }

    @Override
    public Object getAsObject(final String value) {
        if (StringUtil.isEmpty(value)) {

     * in the toolchain plugin configuration.
     * @param requirements Map<String, String> key value pair, may not be {@code null}
     * @return {@code true} if the requirements match, otherwise {@code false}
     */
    boolean matchesRequirements(Map<String, String> requirements);

    /**
     *
     * @return the original model wrapped by this interface
     */