assertContentType("text/plain", null, "hoge.txt");
        assertContentType("text/html", "html/test1.html", "hoge.html");
        assertContentType("text/html", "html/test1.html", "hoge.htm");
        assertContentType("text/html", "html/test1.shtml", "hoge.shtml");

        assertContentType("application/msword", "test/text1.txt", "hoge.doc");

test1...

        value = "ftp://123.123.123.123:21/test1/test.txt";
        ftpInfo = new FtpClient.FtpInfo(value, Constants.UTF_8);
        assertEquals("ftp://123.123.123.123/test1/test.txt", ftpInfo.toUrl());
        assertEquals("123.123.123.123:21", ftpInfo.getCacheKey());
        assertEquals("123.123.123.123", ftpInfo.getHost());
        assertEquals(21, ftpInfo.getPort());
        assertEquals("/test1", ftpInfo.getParent());

        assertNull(result);

        result = (String) method.invoke(keyMatchHelper, "");
        assertEquals("", result);

        result = (String) method.invoke(keyMatchHelper, "Test123");
        assertEquals("test123", result);
    }

    public void test_buildQuery_caseSensitivity() {
        List<String> keywordList = Arrays.asList("Java", "JAVA", "java");

		// Valid bucket names, but they do not exist (Test number 5-7).
		{"volatile-bucket-1", "test1", "", 0, 0, ListPartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-1"}, false},
		{"volatile-bucket-2", "test1", "", 0, 0, ListPartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-2"}, false},
		{"volatile-bucket-3", "test1", "", 0, 0, ListPartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-3"}, false},

test1...

                condition.build(builder);
                resultMap.put("index", index);
                resultMap.put("query", builder.toString());
                return OptionalEntity.of(Map.of("_id", "001", "title", "test1", "content", "test2"));
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

        final DocumentBuilder builder = DocumentBuilderFactoryUtil.newDocumentBuilder();
        final Document doc = DocumentBuilderUtil.parse(builder, ResourceUtil.getResourceAsStream("org/codelibs/core/xml/test1.xml"));
        final Element root = doc.getDocumentElement();
        final String contents = DomUtil.toString(root);
        System.out.println(contents);
    }

        assertEquals(2, cmdList.size());
        assertTrue(cmdList.contains("-D" + Constants.FESS_CONFIG_PREFIX + "test1=value1"));
        assertTrue(cmdList.contains("-D" + Constants.FESS_CONFIG_PREFIX + "test2=value2"));

        // Clean up
        System.clearProperty(Constants.FESS_CONFIG_PREFIX + "test1");
        System.clearProperty(Constants.FESS_CONFIG_PREFIX + "test2");
        System.clearProperty("non.fess.property");

        assertProvideThrowsException("123");
        assertProvideThrowsException("0");
        assertProvideThrowsException("-1");
        assertProvideThrowsException("Test123");
        assertProvideThrowsException("123Test");
        assertProvideThrowsException("Test123Classification");
    }

    public void test_provide_withLongClassificationName() {