assertEquals("", Strings.commonPrefix("abc", ""));
    assertEquals("", Strings.commonPrefix("", "abc"));
    assertEquals("", Strings.commonPrefix("abcde", "xyz"));
    assertEquals("", Strings.commonPrefix("xyz", "abcde"));
    assertEquals("", Strings.commonPrefix("xyz", "abcxyz"));
    assertEquals("a", Strings.commonPrefix("abc", "aaaaa"));
    assertEquals("aa", Strings.commonPrefix("aa", "aaaaa"));

			},
			expectedSync: false,
			dsc:          ReplicateDecision{targetsMap: map[string]replicateTargetDecision{"arn1": newReplicateTargetDecision("arn1", true, false)}},
			rcfg: replicationConfig{
				remotes: &madmin.BucketTargets{Targets: []madmin.BucketTarget{{
					Arn:             "arn1",
					ResetID:         "xyz",
					ResetBeforeDate: start,
				}}},
			},

        System.setProperty("abc.xyz", "789");

        value = "${abc.xyz}";
        assertEquals("789", ResourceUtil.resolve(value));

        value = "${abc}${abc.xyz}";
        assertEquals("123789", ResourceUtil.resolve(value));

        value = "xxx${abc.xyz}zzz";
        assertEquals("xxx789zzz", ResourceUtil.resolve(value));

        value = "${\\$}";
        assertEquals(value, ResourceUtil.resolve(value));

        assertEquals("1", "trim", StringUtil.ltrim("zzzytrim", "xyz"));
        assertEquals("2", "", StringUtil.ltrim("xyz", "xyz"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRtrim() throws Exception {
        assertEquals("trim", StringUtil.rtrim("trimxxxx", "x"));
        assertEquals("", StringUtil.rtrim("xyz", "xyz"));
        assertEquals("trimxxxx", StringUtil.rtrim("trimxxxx", "y"));

			path:   kmsKeyStatusPath,
			query:  map[string]string{"key-id": "abc-test-key"},
			asRoot: false,

			policy: `{"Effect": "Allow",
					"Action": ["kms:KeyStatus"],
					"Resource": ["arn:minio:kms:::xyz-test-key"] }`,

			wantStatusCode: http.StatusForbidden,
			wantResp:       []string{"AccessDenied"},
		},
	}
	for testNum, test := range tests {

		},
		{
			name:     "3",
			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "xyz": "abcde"},
			keys:     []string{"etag", "xyz"},
			want:     map[string]string{"content-type": "application/octet-stream"},
		},
	}
	for _, tt := range tests {

        assertEquals("コンテンツ", doc.get("content_ja"));
    }

    public void test_updateDocument_noLanguageDetected() {
        Map<String, Object> doc = new HashMap<>();
        doc.put("title", "xyz");
        doc.put("content", "xyz");

        // Without a real detector, this will throw NullPointerException
        try {
            languageHelper.updateDocument(doc);

        assertFalse(protocolHelper.isValidWebProtocol("example.com"));
        assertFalse(protocolHelper.isValidWebProtocol(""));
        assertFalse(protocolHelper.isValidWebProtocol("xyz"));
    }

    public void test_isValidFileProtocol_validUrls() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getCrawlerWebProtocols() {

        checkVersionsOrder("2.0-1", "2.0.1");
        checkVersionsOrder("2.0.1-klm", "2.0.1-lmn");
        checkVersionsOrder("2.0.1", "2.0.1-xyz");

        checkVersionsOrder("2.0.1", "2.0.1-123");
        checkVersionsOrder("2.0.1-xyz", "2.0.1-123");
    }

    @Test
    void testLeadingZeroes() {
        checkVersionsOrder("0.7", "2");
        checkVersionsOrder("0.2", "1.0.7");
    }

        final byte[] data = new String("xyz").getBytes();
        final ResponseData responseData = new ResponseData();
        responseData.setUrl("http://hoge/");
        responseData.setResponseBody(data);
        responseData.setCharSet("ISO-8859-1");
        final ResultData resultData = htmlTransformer.transform(responseData);
        assertEquals("xyz", new String(resultData.getData()));
    }