ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("testengine");
        assertNotNull(retrieved);
        assertEquals(engine, retrieved);
    }

    // Test add method with mixed case name
    public void test_add_mixedCaseName() {
        TestScriptEngine engine = new TestScriptEngine();
        scriptEngineFactory.add("TestEngine", engine);

        // Should be accessible with lowercase

            public String getQueryBrowserLangParameterName() {
                return "lang";
            }
        };
        ComponentUtil.setFessConfig(mockConfig);

        // Setup mock request manager with mixed case
        // LocaleUtils.toLocale is strict about case - it will throw exception for invalid format
        RequestManager mockRequestManager = createMockRequestManager("En_Us");

        // Execute

        }, "keyMatchHelper");

        String result = crawlJob.execute();
        assertNotNull(result);
        assertTrue(result.contains("Session Id:"));
    }

    // Test execute method with mixed null and non-null config IDs
    public void test_execute_mixedConfigIds() {
        // Setup test
        crawlJob = new CrawlJob() {
            @Override
            protected int getRunningJobCount() {

        assertTrue(boolResult.hasClauses());
        assertEquals(1, boolResult.mustNot().size());
        assertEquals(1, boolResult.must().size());
    }

    // Test convertBooleanQuery with mixed clauses
    public void test_convertBooleanQuery_withMixedClauses() {
        BooleanQuery.Builder boolQueryBuilder = new BooleanQuery.Builder();
        TermQuery termQuery1 = new TermQuery(new Term("field1", "value1"));

    assertWellFormed(0xc8, 0x8a, 0x63, 0xc8, 0x8a, 0x63); // "\u020ac\u020ac"
    // Four-byte characters
    // "\u024B62\u024B62"
    assertWellFormed(0xc9, 0x8b, 0x36, 0x32, 0xc9, 0x8b, 0x36, 0x32);
    // Mixed string
    // "a\u020ac\u00a2b\\u024B62u020acc\u00a2de\u024B62"
    assertWellFormed(
        0x61, 0xc8, 0x8a, 0x63, 0xc2, 0xa2, 0x62, 0x5c, 0x75, 0x30, 0x32, 0x34, 0x42, 0x36, 0x32,

        assertTrue(result.contains("Search error"));
        assertTrue(result.contains("Job error"));
        assertTrue(result.contains("Status error"));
    }

    // Test mixed success and skip
    public void test_execute_mixedSuccessAndSkip() {
        // Setup tracking variables
        final boolean[] deleteCrawlingInfoCalled = { false };
        final boolean[] deleteSearchLogCalled = { false };

          .that(Ints.tryParse(Long.toString((long) LEAST - 1, radix), radix))
          .isNull();
    }
    assertWithMessage("Hex string and dec parm").that(Ints.tryParse("FFFF", 10)).isNull();
    assertWithMessage("Mixed hex case").that((int) Ints.tryParse("ffFF", 16)).isEqualTo(65535);
  }

  /**
   * Encodes an integer as a string with given radix, then uses {@link Ints#tryParse(String, int)}

                    return props;
                }
            };

            assertEquals(title, titleEnv.getEnvironmentTitle());
        }
    }

    // Test mixed boolean representations
    public void xtest_mixedBooleanRepresentations() {
        FessEnv.SimpleImpl mixedBoolEnv = new FessEnv.SimpleImpl() {
            protected Properties prepareProperties() {

          .isNull();
    }
    assertWithMessage("Hex string and dec parm").that(Longs.tryParse("FFFF", 10)).isNull();
    assertWithMessage("Mixed hex case")
        .that(Longs.tryParse("ffFF", 16).longValue())
        .isEqualTo(65535);
  }

  /**
   * Encodes the long as a string with given radix, then uses {@link Longs#tryParse(String, int)} to

          .that(Ints.tryParse(Long.toString((long) LEAST - 1, radix), radix))
          .isNull();
    }
    assertWithMessage("Hex string and dec parm").that(Ints.tryParse("FFFF", 10)).isNull();
    assertWithMessage("Mixed hex case").that((int) Ints.tryParse("ffFF", 16)).isEqualTo(65535);
  }

  /**
   * Encodes an integer as a string with given radix, then uses {@link Ints#tryParse(String, int)}