assertEquals("VERSION_2", WitnessVersion.VERSION_2.toString());

        assertEquals("RESOURCE_CHANGE", WitnessEventType.RESOURCE_CHANGE.toString());
        assertEquals("CLIENT_MOVE", WitnessEventType.CLIENT_MOVE.toString());
        assertEquals("SHARE_MOVE", WitnessEventType.SHARE_MOVE.toString());
        assertEquals("IP_CHANGE", WitnessEventType.IP_CHANGE.toString());

        String[] values = { "value1" };
        RequestParameter param = new RequestParameter(null, values);

        String expected = "[null, [value1]]";
        assertEquals(expected, param.toString());
    }

    public void test_toString_withNullValues() {
        // Test toString with null values
        String name = "testParam";
        RequestParameter param = new RequestParameter(name, null);

        Exception exception = new RuntimeException("Test error message");

        monitorTarget.appendException(buf, exception);
        assertTrue(buf.toString().startsWith("\"exception\":\""));
        assertTrue(buf.toString().contains("Test error message"));
        assertTrue(buf.toString().contains("RuntimeException"));
    }

    // Test appendException method with nested exception

    public void test_constructorWithScheduledJob() {
        // Test with scheduled job that has a custom toString implementation
        ScheduledJob scheduledJob = new ScheduledJob() {
            @Override
            public String toString() {
                return "TestScheduledJob[id=123]";
            }
        };

        String result = facetInfo.toString();
        assertEquals("FacetInfo [field=[field1, field2], query=[query1, query2], size=10, minDocCount=5, sort=count.desc, missing=unknown]",
                result);
    }

    // Test toString method with null fields
    public void test_toString_nullFields() {
        String result = facetInfo.toString();

        // Then
        String toString = provider.toString();
        assertNotNull(toString);
        assertTrue("toString should contain TimeZone ID", toString.contains(FessUserTimeZoneProcessProvider.centralTimeZone.getID()));
        // The provider's toString might not contain the exact class name
        // Just verify it's not null and contains some meaningful info
        assertTrue("toString should not be empty", toString.length() > 0);

        } finally {
            // Restore original time zone
            TimeZone.setDefault(originalTimeZone);
        }
    }

    // Test toString() method
    public void test_toString() {
        // Execute
        String result = provider.toString();

        // Verify the string format
        assertNotNull(result);
        assertTrue(result.contains("FessUserTimeZoneProcessProvider"));

      p++;
    }
    if (validSurrogatePairAt(a, p - 1) || validSurrogatePairAt(b, p - 1)) {
      p--;
    }
    return a.subSequence(0, p).toString();
  }

  /**
   * Returns the longest string {@code suffix} such that {@code a.toString().endsWith(suffix) &&
   * b.toString().endsWith(suffix)}, taking care not to split surrogate pairs. If {@code a} and
   * {@code b} have no common suffix, returns the empty string.
   *

    }

    public void test_toString() {
        // Test toString method
        String message = "Test exception";
        DataStoreException exception = new DataStoreException(message);

        String toString = exception.toString();
        assertNotNull(toString);
        assertTrue(toString.contains("DataStoreException"));
        assertTrue(toString.contains(message));
    }

    }

    public void test_toStringMethod() {
        // Test toString method behavior
        String message = "Plugin toString test";
        PluginException exception = new PluginException(message);

        String toStringResult = exception.toString();
        assertNotNull(toStringResult);
        assertTrue(toStringResult.contains(PluginException.class.getName()));