} catch (FessUserNotFoundException e) {
            assertEquals("User is not found: nonexistentuser", e.getMessage());
            assertNull(e.getCause());
        } catch (Exception e) {
            fail("Should have caught FessUserNotFoundException");
        }
    }

    @Test
    public void test_throwAndCatchAsFessSystemException() {
        // Test catching as parent exception type

        RelevanceEvaluationResult result = RelevanceEvaluationResult.withRelevantDocs(docIds, indexes);

        try {
            result.getRelevantDocIds().add("newDoc");
            fail("DocIds list should be immutable");
        } catch (UnsupportedOperationException e) {
            // Expected
        }
    }

    @Test
    public void test_indexesAreImmutable() {

     * and will cause {@link #build} to fail.
     */
    @CanIgnoreReturnValue
    public <T extends B> Builder<B> put(Class<T> key, T value) {
      mapBuilder.put(TypeToken.of(key), value);
      return this;
    }

    /**
     * Associates {@code key} with {@code value} in the built map. Duplicate keys are not allowed,
     * and will cause {@link #build} to fail.
     */
    @CanIgnoreReturnValue

    // Test null property handling
    @Test
    public void test_get_nullProperty() {
        // Test getting non-existent property
        try {
            fessConfig.get("non.existent.property");
            fail("Should throw exception for non-existent property");
        } catch (ConfigPropertyNotFoundException e) {
            // Expected exception
            assertTrue(e.getMessage().contains("non.existent.property"));
        }

    redirect from one hostname to another, and where both hosts had common certificates.

 *  Fix: Don't fail on a redirect when a client has configured a 'trust everything' trust manager.
    Typically this would cause certain redirects to fail in debug and development configurations.


## Version 4.4.0

_2020-02-17_

	if err == nil {
		t.Fatalf("%s: Expected to fail since bucket name is invalid.", instanceType)
	}

	errMsg := "Bucket not found: minio-bucket"
	// operation expected to fail since the bucket on which NewMultipartUpload is being initiated doesn't exist.
	_, err = obj.NewMultipartUpload(context.Background(), bucket, object, opts)
	if err == nil {

        // Test throwing and catching the exception
        String expectedMessage = "Thrown exception";

        try {
            throw new UnsupportedSearchException(expectedMessage);
            // fail("Exception was not thrown");
        } catch (UnsupportedSearchException e) {
            assertEquals(expectedMessage, e.getMessage());
            assertNotNull(e.getStackTrace());
        }
    }

    @Test

              });
      fail("Expected NullPointerException or UnsupportedOperationException");
    } catch (NullPointerException | UnsupportedOperationException expected) {
    }
  }

  public void testMergeNullFunction() {
    try {
      getMap().merge(k0(), v3(), null);
      fail("Expected NullPointerException or UnsupportedOperationException");

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.Mockito.mock;

import java.lang.reflect.Field;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;

    }

    @Test
    public void test_init() {
        try {
            languageHelper.init();
            // Should not throw exception
        } catch (Exception e) {
            fail("init() should not throw an exception: " + e.getMessage());
        }
    }

    @Test
    public void test_updateDocument_withExistingLang() {
        Map<String, Object> doc = new HashMap<>();