// Empty titles => suffix is empty => falls back to truncated
        assertEquals("Some content here that is quite long enough to be truncated.", result);
    }

    // ========== additional truncated tests ==========

    @Test
    public void test_truncated_nullContent() {
        final ChatMessage msg = ChatMessage.assistantMessage(null);

type ListObjectVersionsInfo struct {
	// Indicates whether the returned list objects response is truncated. A
	// value of true indicates that the list was truncated. The list can be truncated
	// if the number of objects exceeds the limit allowed or specified
	// by max keys.
	IsTruncated bool

	// When response is truncated (the IsTruncated element value in the response is true),

        assertNotNull(details);
        // Max 50 events displayed, message truncated to 200 chars
        assertTrue(details.contains("Total: 100 event(s) (showing 50)"));
        assertTrue(details.contains("... and 50 more"));
        // Long messages should be truncated with "..."
        assertTrue(details.contains("..."));
    }

    @Test

						t.Errorf("Test %d: %s: Expected NextMarker to contain a string since listing is truncated, but instead found it to be empty", i+1, instanceType)
					}

					if !testCase.resultL.IsTruncated && resultL.NextMarker != "" {
						if !resultL.IsTruncated || len(resultL.Objects) == 0 {
							t.Errorf("Test %d: %s: Expected NextMarker to be empty since listing is not truncated, but instead found `%v`", i+1, instanceType, resultL.NextMarker)
						}
					}

		return entries, listErr
	}
	entries.reuse = true
	truncated := entries.len() > o.Limit || err == nil
	entries.truncate(o.Limit)
	if !o.Transient && truncated {
		if o.ID == "" {
			entries.listID = mustGetUUID()
		} else {
			entries.listID = o.ID
		}
	}
	if !truncated {
		return entries, io.EOF
	}
	return entries, nil
}

  public val url: HttpUrl,
  /** All headers. */
  public val headers: Headers,
  /** The body of this request, or null if it has none. This may be truncated. */
  public val body: ByteString?,
  /** The total size of the body of this request (before truncation).*/
  public val bodySize: Long,
  /**

                }
                truncated = true;
                break;
            }

            documentContent.append(docEntry);
            totalChars += docEntry.length();
        }

        if (logger.isDebugEnabled()) {
            logger.debug("[RAG:ANSWER] generateSummaryResponse. documentContentLength={}, truncated={}", totalChars, truncated);
        }

        // Verify customData part (should be truncated)
        byte[] expectedCustomData = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        byte[] actualCustomData = new byte[8];
        System.arraycopy(value, 8, actualCustomData, 0, 8);
        assertArrayEquals(expectedCustomData, actualCustomData);

        // Verify machineId part (should be truncated)
        byte[] expectedMachineId = new byte[32];

      val fileBuilder = StringBuilder(key).append('.')
      val truncateTo = fileBuilder.length
      for (i in 0 until valueCount) {
        fileBuilder.append(i)
        cleanFiles += directory / fileBuilder.toString()
        fileBuilder.append(".tmp")
        dirtyFiles += directory / fileBuilder.toString()
        fileBuilder.setLength(truncateTo)
      }
    }

      if (Character.isISOControl(codePoint) && !Character.isWhitespace(codePoint)) {
        return false
      }
    }
    return true
  } catch (_: EOFException) {
    return false // Truncated UTF-8 sequence.
  }