@DisplayName("Test valid buffer size validation")
    void testValidBufferSize() {
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(100, 1000, "test"));
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(0, 1000, "test"));
        assertDoesNotThrow(() -> InputValidator.validateBufferSize(1000, 1000, "test"));
    }

    @Test
    @DisplayName("Test invalid buffer size validation")

     * @param maxSize the maximum allowed size
     * @param fieldName the field name for error reporting
     * @throws IllegalArgumentException if size is invalid
     */
    public static void validateBufferSize(int size, int maxSize, String fieldName) {
        if (size < 0) {
            throw new IllegalArgumentException(fieldName + " size cannot be negative: " + size);
        }
        if (size > maxSize) {