data.write("8a00".decodeHex()) // Pong
    data.write("80026c6f".decodeHex()) // lo
    clientReader.processNextFrame()
    callback.assertPong(EMPTY)
    callback.assertPong(EMPTY)
    callback.assertPong(EMPTY)
    callback.assertPong(EMPTY)
    callback.assertTextMessage("Hello")
  }

  @Test fun clientTwoFrameCompressedHelloWithPongs() {

        assertNotNull(emptyUnicodeStringTrue.buffer, "Buffer should not be null for empty string with zterm");
        assertEquals(1, emptyUnicodeStringTrue.buffer.length, "Buffer length should be 1 for empty string with zterm");
        assertEquals(0, emptyUnicodeStringTrue.buffer[0], "Buffer should contain only zero for empty string with zterm");

        // Test with an empty string and zterm = false

        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> nonRecursive() {
        if (commandLine.hasOption(CLIManager.NON_RECURSIVE)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> updateSnapshots() {

            // Create empty archive
        }

        final InputStream in = new ByteArrayInputStream(baos.toByteArray());
        final ExtractData result = zipExtractor.getText(in, null);

        assertNotNull(result);
        assertNotNull(result.getContent());
        assertTrue("Empty archive should produce empty content", result.getContent().trim().isEmpty());
    }

    /**

        assertEquals(0, blob.get().length, "Internal array should be empty");
        assertEquals(0, blob.length(), "length() should be 0 for empty");
        assertEquals("", blob.toString(), "toString() of empty should be empty string");
        assertTrue(blob.equals(blob), "Object should be equal to itself");

            if (input == null || input.isEmpty()) {
                assertEquals(0, result.length, "Null or empty input should produce empty array");
            } else {
                assertTrue(result.length > 0, "Non-empty input should produce non-empty array");
            }
        }
    }

    @Nested
    @DisplayName("Unicode and ASCII Encoding")
    class UnicodeAndASCIITests {

        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersionAndExit() {
        if (commandLine.hasOption(CLIManager.SHOW_VERSION_AND_EXIT)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersion() {

    expectContents();
  }

  // retainAll(null)

  /*
   * AbstractCollection fails the retainAll(null) test when the subject
   * collection is empty, but we'd still like to test retainAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.
   */

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)

**Key Test Areas**:
- Parameter handling (null, empty, missing)
- Special character handling
- Input stream validation (not consumption)
- Edge cases (long filenames, paths, whitespace)

**Test Count**: 10 tests

**Key Scenarios**:
- ✅ Valid filename extraction
- ✅ Null parameters handling
- ✅ Empty/missing resource name
- ✅ Special characters in filename (Japanese, paths)

     * Processes collection definitions and tracks the element hierarchy.
     *
     * @param uri the namespace URI, or empty string if none
     * @param localName the local name without prefix, or empty string if namespace processing is not performed
     * @param qName the qualified name with prefix, or empty string if qualified names are not available
     * @param attributes the attributes attached to the element