} else {
      assertThrows(UnsupportedOperationException.class, () -> table.clear());
    }
  }

  public void testPut() {
    assertNull(table.put("foo", 1, cellValue('a')));
    assertNull(table.put("bar", 1, cellValue('b')));
    assertNull(table.put("foo", 3, cellValue('c')));
    assertEquals((Character) 'a', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));

        assertNotNull(exception);
        assertEquals("Not Found: http://example.com/child Parent: http://example.com/parent", exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullParentUrl() {
        // Test with null parent URL
        String parentUrl = null;
        String url = "http://example.com/child";

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithString_null() {
        // Test with null message
        JobNotFoundException exception = new JobNotFoundException((String) null);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

        assertNull(dfsResolver.getDc(mockContext, "anyDomain"));
    }

    // Test for resolve method
    @Test
    void testResolve_DfsDisabled() throws CIFSException {
        when(mockConfig.isDfsDisabled()).thenReturn(true);
        assertNull(dfsResolver.resolve(mockContext, "anyDomain", "anyRoot", "anyPath"));
    }

    @Test

        assertNull(exception.getCause());
    }

    public void test_constructor_withLongUsername() {
        // Test with a very long username
        String username = "verylongusername".repeat(10);
        FessUserNotFoundException exception = new FessUserNotFoundException(username);

        assertNotNull(exception);
        assertEquals("User is not found: " + username, exception.getMessage());
        assertNull(exception.getCause());
    }

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with null message and null cause
        SearchEngineClientException exception = new SearchEngineClientException(null, null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithNullMessageAndCause() {
        // Test constructor with null message and null cause
        StorageException exception = new StorageException(null, null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

    assertNull(mediaType.charsetName())
  }

  @Test fun testUnsupportedCharset() {
    val mediaType = parse("text/plain; charset=utf-wtf")
    assertNull(mediaType.charsetName())
  }

  @Test fun testCharsetNameIsDoubleQuotedAndSingleQuoted() {
    val mediaType = parse("text/plain;charset=\"'utf-8'\"")
    assertNull(mediaType.charsetName())
  }

        TransportException exception = new TransportException();

        // Verify the exception is created and has no message
        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());

        // Verify it's an instance of CIFSException
        assertTrue(exception instanceof CIFSException);
    }

    @Test

        assertEquals(1, boostdocpager.getCurrentPageNumber());
        assertNull(boostdocpager.id);
        assertNull(boostdocpager.urlExpr);
        assertNull(boostdocpager.boostExpr);
        assertNull(boostdocpager.sortOrder);
        assertNull(boostdocpager.createdBy);
        assertNull(boostdocpager.createdTime);
        assertNull(boostdocpager.versionNo);

        boostdocpager.setAllRecordCount(999);