assertFalse("Exception message should not be empty", message.trim().isEmpty());
            assertTrue("Exception message should mention 'inputstream'", message.toLowerCase().contains("inputstream"));
            assertTrue("Exception message should mention 'null'", message.toLowerCase().contains("null"));
        }
    }

    /**
     * Test that validateInputStream does not modify or consume the stream.

        try {
            zipExtractor.getText(invalidStream, null);
            fail("Expected ExtractException");
        } catch (final ExtractException e) {
            assertTrue("Error message should mention ZIP archive", e.getMessage().contains("ZIP archive"));
            assertTrue("Error message should indicate failure",

        IllegalArgumentException ex = assertThrows(IllegalArgumentException.class, () -> RequestParam.valueOf(badName));
        assertTrue(ex.getMessage().contains(badName), "Exception message should mention the bad name");
    }

    // Edge/Invalid: empty string is invalid for valueOf
    @ParameterizedTest
    @EmptySource
    @DisplayName("valueOf(\"\") throws IllegalArgumentException for empty input")

        }
    }

    @Test
    public void testConvertWithNumbersAndSymbols() throws IOException {
        // Test convert with numbers and symbols
        String text = "123 456.789 #hashtag @mention";
        String field = "content";

        List<String> results = converter.convert(text, field, "en");

        assertNotNull(results);
    }

        try {
            FileUtil.readBytes(largeFile);
            fail("Expected IORuntimeException for large file");
        } catch (final IORuntimeException e) {
            assertTrue("Error message should mention file size", e.getMessage().contains("File too large"));
        }
    }

    /**
     * Test readBytes with file within size limit
     *
     * @throws Exception
     */
    @Test

            // It could be either "Unexpected number of update indices" or "Unexpected number of search indices"
            // depending on which check fails first
            assertTrue("Exception message should mention unexpected indices: " + exceptionMessage,
                    exceptionMessage.contains("Unexpected number of update indices")
                            || exceptionMessage.contains("Unexpected number of search indices"));

                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <div class="callout callout-danger lead">
                <p>
                    <la:errors/>
                </p>
            </div>

        </section>
    </main>

    <jsp:include page="/WEB-INF/view/common/admin/footer.jsp"></jsp:include>

</div>

					<div class="row mb-2">
						<div class="col-sm-6">
							<h1>
								<la:message key="labels.sereq_configuration" />
							</h1>
						</div>
					</div>
				</div>
			</div>
			<section class="content">
				<la:form action="/admin/sereq/upload/" enctype="multipart/form-data">
					<div class="col-md-12">
						<la:info id="msg" message="true">
							<div class="alert alert-info">${msg}</div>

                        <jsp:include page="/WEB-INF/view/common/admin/crud/breadcrumb.jsp"></jsp:include>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <la:form action="/admin/duplicatehost/">
                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2 || crudMode==3 || crudMode==4}">

                        <jsp:include page="/WEB-INF/view/common/admin/crud/breadcrumb.jsp"></jsp:include>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <la:form action="/admin/group/">
                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2 || crudMode==3 || crudMode==4}">