assertEquals(expected.isEmpty(), source.isEmpty());
  }

  public void testLength() throws IOException {
    assertEquals(expected.length(), source.length());
  }

  public void testLengthIfKnown() throws IOException {
    Optional<Long> lengthIfKnown = source.lengthIfKnown();
    if (lengthIfKnown.isPresent()) {
      assertEquals(expected.length(), (long) lengthIfKnown.get());
    }
  }

    try {
      CountDownLatch latch = new CountDownLatch(1);
      RuntimeException expected =
          assertThrows(RuntimeException.class, () -> GcFinalization.await(latch));
      assertWrapsInterruptedException(expected);
    } finally {
      interruptenator.shutdown();
      Thread.interrupted();
    }
  }

  }

  @J2ktIncompatible
  @GwtIncompatible // propagate
  public void testPropagate_noneDeclared_checked() {
    RuntimeException expected =
        assertThrows(RuntimeException.class, () -> propagate(new SomeCheckedException()));
    assertThat(expected).hasCauseThat().isInstanceOf(SomeCheckedException.class);
  }

  @GwtIncompatible // throwIfInstanceOf

                  assertNull(k);
                  assertEquals(getValueForNullKey(), v);
                  return v3();
                }));

    Entry<K, V>[] expected = createArrayWithNullKey();
    expected[getNullLocation()] = entry(null, v3());
    expectContents(expected);
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testComputeIfPresent_nullKeySupportedAbsent() {
    assertNull(

    static Stream<String> messages() {
        return Stream.of("custom message", "", " ", "αβγ", "x".repeat(1000), null);
    }

    @Test
    @DisplayName("Default constructor sets the expected message and no cause")
    void defaultConstructor_setsExpectedMessage_andNoCause() {
        // Arrange & Act
        SmbUnsupportedOperationException ex = new SmbUnsupportedOperationException();

        // Assert

    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> range.intersection(Range.open(3, 5)));
    assertThat(expected).hasMessageThat().contains("connected");
    expected =
        assertThrows(IllegalArgumentException.class, () -> range.intersection(Range.closed(0, 2)));
    assertThat(expected).hasMessageThat().contains("connected");
  }

     * Test the NO_NULL_REF static field.
     * Ensures that the static field holds the expected string value.
     */
    @Test
    void testNoNullRefConstant() {
        assertNotNull(NdrException.NO_NULL_REF, "NO_NULL_REF constant should not be null.");
        assertEquals("ref pointer cannot be null", NdrException.NO_NULL_REF, "NO_NULL_REF constant should have the expected value.");
    }

    /**
     * Test the INVALID_CONFORMANCE static field.

  protected final void expectReplacement(Entry<K, V> newEntry) {
    List<Entry<K, V>> expected = copyToList(getSampleElements());
    replaceValue(expected, newEntry);
    expectContents(expected);
  }

  private void replaceValue(List<Entry<K, V>> expected, Entry<K, V> newEntry) {
    for (ListIterator<Entry<K, V>> i = expected.listIterator(); i.hasNext(); ) {
      if (Helpers.equal(i.next().getKey(), newEntry.getKey())) {

            if (data == null || mic == null) {
                throw new CIFSException("data/mic is null");
            }
            byte[] expected = calculateMIC(data);
            if (mic.length != expected.length || mic[0] != expected[0]) {
                throw new CIFSException("MIC mismatch");
            }
        }

        @Override
        public boolean isMICAvailable() {

        byte[] buf = new byte[2 + 2 + 2 + 4 + 2 + filename.length() + 1];
        int n = next.writeParametersWireFormat(buf, 0);
        assertEquals(buf.length, n, "Parameter bytes written should match expected length");
        // informationLevel LE at offset 4..5
        assertEquals((byte) 0x04, buf[4]);
        assertEquals((byte) 0x01, buf[5]);
    }

    /**