assertNotNull(authenticator);
        assertEquals(testAuthenticator, authenticator);
    }

    public void test_getAuthenticator_whenComponentDoesNotExist() {
        currentSsoType = "nonexistent";
        ssoManager = new SsoManager() {
            @Override
            protected String getSsoType() {
                return currentSsoType;
            }
        };

        assertEquals("80", dcerpcBinding.getOption("connect"), "Should return the set option value.");
    }

    @Test
    void testGetOptionNonExistent() {
        assertNull(dcerpcBinding.getOption("nonExistent"), "Should return null for a non-existent option.");
    }

    @Test
    void testToStringWithoutOptionsAndEndpoint() {
        String expected = PROTO + ":" + SERVER + "[null]";

		{
			// non-existent storage-class
			xml:         []byte(`<LifecycleConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Rule><ID>rule</ID><Prefix /><Status>Enabled</Status><Transition><Days>1</Days><StorageClass>"NONEXISTENT"</StorageClass></Transition></Rule></LifecycleConfiguration>`),
			expectedErr: errInvalidStorageClass,
		},
		{
			// no transition rule

        entry.removeChild(childName);
        assertFalse(entry.hasChild(childName));
        assertTrue(entry.hasChanges());

        // Remove non-existent child - should not change state
        entry.removeChild("nonexistent.txt");
        assertTrue(entry.hasChanges()); // Still has changes from previous removal
    }

    @Test
    public void testGetChildren() {
        // Add multiple children

        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_emptyPatternList() {
        // Test with empty pattern list
        Set<String> result = labelTypeHelper.getMatchedLabelValueSet("/nonexistent/path");
        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_nullPath() {
        try {
            labelTypeHelper.getMatchedLabelValueSet(null);

            Files.deleteIfExists(tempFile);
        }
    }

    public void test_writeThreadDump_withInvalidPath() {
        // Test with invalid file path (directory that doesn't exist)
        String invalidPath = "/nonexistent/directory/thread-dump.txt";

        try {
            ThreadDumpUtil.writeThreadDump(invalidPath);
            // Should not throw exception but log warning
        } catch (Exception e) {

    public void test_generate_parent_directory_not_exists() throws Exception {
        final File tempDir = new File(System.getProperty("java.io.tmpdir"));
        final File nonExistentParent = new File(tempDir, "non_existent_" + System.currentTimeMillis());
        final File outputFile = new File(nonExistentParent, "output.txt");

        try {
            assertFalse(nonExistentParent.exists());

// TestXLStorages xlStorage.getDiskInfo()
func TestXLStorageGetDiskInfo(t *testing.T) {
	path := t.TempDir()

	testCases := []struct {
		diskPath    string
		expectedErr error
	}{
		{path, nil},
		{"/nonexistent-dir", errDiskNotFound},
	}

	// Check test cases.
	for _, testCase := range testCases {
		if _, _, err := getDiskInfo(testCase.diskPath); err != testCase.expectedErr {

    }
  }

  /**
   * Creates any necessary but nonexistent parent directories of the specified file. Note that if
   * this operation fails it may have succeeded in creating some (but not all) of the necessary
   * parent directories.
   *
   * @throws IOException if an I/O error occurs, or if any necessary but nonexistent parent
   *     directories of the specified file could not be created.
   * @since 4.0

    @Test
    public void testDeleteByQueryWithNoMatches() {
        // Test delete with query that matches nothing
        boolean result = SuggestUtil.deleteByQuery(client, settings, TEST_INDEX, QueryBuilders.termQuery("nonexistent", "value"));
        assertTrue(result); // Should still return true even with no matches
    }

    @Test(expected = SuggesterException.class)
    public void testDeleteByQueryWithInvalidIndex() {