@Test
    public void test_atomicDeleteIfExists_noImageFile() throws Exception {
        // Test that Files.deleteIfExists works correctly for no-image marker files
        Path noImageFile = Files.createTempFile("noimage_test", ".noimage");
        try {
            assertTrue(Files.exists(noImageFile));

            // Atomic delete should succeed

            return true;
        }

        return switch (mimeType) {
        case "image/png", "image/gif", "image/jpeg", "image/bmp" -> true;
        default -> false;
        };
    }

    /**
     * Processes and saves an image from the input stream to the output file as a thumbnail.
     *
     * <p>This method reads image data, validates dimensions, applies subsampling and scaling

    "image/png")  format_hint="png:" ;;
    "image/jpeg") format_hint="jpeg:" ;;
    "image/bmp"|"image/x-windows-bmp"|"image/x-ms-bmp") format_hint="bmp:" ;;
    "image/vnd.adobe.photoshop"|"image/photoshop"|"application/x-photoshop"|"application/photoshop") format_hint="psd:" ;;
  esac
  ${im_cmd} -thumbnail ${image_size} "${format_hint}${target_file}" "${output_file}"
elif [[ x"${cmd_type}" = "x" ]] ; then
  echo "No filetype."

            "${GENERATE_THUMBNAIL}" "image" "file:${TEST_DIR}/400x400.jpg" "${OUTPUT_DIR}/jpg_thumb.png" "image/jpeg"
    fi

    # Test: GIF thumbnail generation
    if [[ -f "${TEST_DIR}/400x400.gif" ]]; then
        run_file_test "GIF thumbnail" "${OUTPUT_DIR}/gif_thumb.png" \
            "${GENERATE_THUMBNAIL}" "image" "file:${TEST_DIR}/400x400.gif" "${OUTPUT_DIR}/gif_thumb.png" "image/gif"
    fi

"feColorMatrix","feComponentTransfer","feComposite","feConvolveMatrix","feDiffuseLighting","feDisplacementMap","feDistantLight","feDropShadow","feFlood","feFuncA","feFuncB","feFuncG","feFuncR","feGaussianBlur","feImage","feMerge","feMergeNode","feMorphology","feOffset","fePointLight","feSpecularLighting","feSpotLight","feTile","feTurbulence"]),L=i(["animate","color-profile","cursor","discard","font-face","font-face-format","font-face-name","font-face-src","font-face-uri","foreignobject","hatch",...

        assertTrue("application/pdf".matches("application/pdf"));
        assertTrue("image/jpeg".matches("image/jpeg"));
        assertTrue("image/png".matches("image/png"));
        assertTrue("image/gif".matches("image/gif"));
        assertTrue("image/tiff".matches("image/tiff"));
    }

    @Test
    public void test_addConditionWithSvgMimetype() {

    }

    // Test all supported image MIME types in one comprehensive test
    @Test
    public void test_getExtensionFromMimeType_allImageTypes() {
        final String[][] testCases = { { "image/gif", ".gif" }, { "image/tiff", ".tiff" }, { "image/svg+xml", ".svg" },
                { "image/jpeg", ".jpg" }, { "image/png", ".png" }, { "image/bmp", ".bmp" }, { "image/x-windows-bmp", ".bmp" },

        fileTypeHelper.add("text/plain", "text");
        assertEquals("text", fileTypeHelper.get("text/plain"));

        fileTypeHelper.add("image/jpeg", "image");
        assertEquals("image", fileTypeHelper.get("image/jpeg"));
    }

    @Test
    public void test_get() {
        fileTypeHelper.add("application/pdf", "pdf");
        fileTypeHelper.add("text/plain", "text");

			<arg>"image/x-windows-bmp"
			</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"image/x-ms-bmp"
			</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"image/gif"
			</arg>
		</postConstruct>
		<postConstruct name="addCondition">
			<arg>"mimetype"</arg>
			<arg>"image/png"
			</arg>
		</postConstruct>

            defaultMap.put(FessConfig.INDEX_REINDEX_SIZE, "100");
            defaultMap.put(FessConfig.INDEX_REINDEX_BODY,