assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

   */
  @CanIgnoreReturnValue
  public NetworkBuilder<N, E> allowsSelfLoops(boolean allowsSelfLoops) {
    this.allowsSelfLoops = allowsSelfLoops;
    return this;
  }

  /**
   * Specifies the expected number of nodes in the network.
   *
   * @throws IllegalArgumentException if {@code expectedNodeCount} is negative
   */
  @CanIgnoreReturnValue
  public NetworkBuilder<N, E> expectedNodeCount(int expectedNodeCount) {

                    throw new XmlPullParserException(
                            "Expected root element 'extensions' but found '" + parser.getName() + "'", parser, null);
                } else if (parsed) {
                    // fallback, already expected a XmlPullParserException due to invalid XML
                    throw new XmlPullParserException("Duplicated tag: 'extensions'", parser, null);

        new Organization().equals(new Organization());
    }

    @Test
    void testEqualsIdentity() {
        Organization thing = new Organization();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Organization().toString());
    }

    @Test
    public void testToStringNotNonsense11() {

     * Test that interface constants are correctly defined
     */
    @Test
    @DisplayName("Test FileInformation constants are correctly defined")
    void testInterfaceConstants() {
        // Verify all constants have expected values
        assertEquals((byte) 20, FileInformation.FILE_ENDOFFILE_INFO);
        assertEquals((byte) 0x4, FileInformation.FILE_BASIC_INFO);
        assertEquals((byte) 0x5, FileInformation.FILE_STANDARD_INFO);

        Request(
          url = server.url("/"),
          body = requestBody,
        ),
      )

    assertFailsWith<IOException> {
      callA.execute()
    }.also { expected ->
      assertThat(expected).hasMessage("boom")
    }

    assertThat(server.requestCount).isEqualTo(0)

    // Confirm that the connection pool was not corrupted by making another call. This doesn't use

 * remove) are supported. Null keys and values are supported.
 *
 * <p>{@code containsKey(k)}, {@code put(k, v)} and {@code remove(k)} are all (expected and
 * amortized) constant time operations. Expected in the hashtable sense (depends on the hash
 * function doing a good job of distributing the elements to the buckets to a distribution not far

    }

    /**
     * Read a tagged object without parsing it's contents
     *
     * BC no longer seems to allow that out of the box
     *
     * @param expectTag the expected tag number
     * @param limit the maximum length limit
     * @param in the ASN.1 input stream
     * @return coded bytes of the tagged object
     * @throws IOException if reading fails or tag mismatch
     */

        Map<String, String> expected = Map.of("a", "$\\{var}", "ab", "$\\{var}b", "abc", "$\\{var}bc");

        java.util.Properties props1 = new java.util.Properties();
        props1.load(new StringReader(config));
        new DefaultInterpolator().performSubstitution((Map) props1, null, true);
        assertEquals(expected, props1);

        MavenProperties props2 = new MavenProperties();

                } else {
                    line
                }
            }
        )
        require(lineFound) {
            "File '$docFile' does not contain the expected compatibility line: '$linePrefix'"
        }
    }

    protected
    fun fetchVersionsFromMavenMetadata(url: String): List<String> =
        DocumentBuilderFactory.newInstance().apply {