assertThrows(IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel((1 << 31) - 1));
    assertThrows(
        IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(Integer.MAX_VALUE));
    assertThrows(IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(1 << 31));
    assertThrows(
        IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(Integer.MIN_VALUE));

     * directory or a {@code pom.xml} file with the {@code root="true"} attribute.
     * If there's no such directory, an {@code IllegalStateException} will be thrown.
     *
     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @since 4.0.0
     */
    Path getRootDirectory();

    /**
     * @since 3.3.0

    trustManagerFactory.init((KeyStore) null);
    TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
    if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
      throw new IllegalStateException("Unexpected default trust managers:"
          + Arrays.toString(trustManagers));
    }
    return (X509TrustManager) trustManagers[0];
  }

  private String[] javaNames(List<CipherSuite> cipherSuites) {

            this.profileSelector = container.lookup(ProfileSelector.class);
            this.logger = ((MutablePlexusContainer) container).getLogger();
        } catch (ComponentLookupException e) {
            throw new IllegalStateException(e);
        }
        this.requestProperties = props;
    }

    public Properties getRequestProperties() {
        return requestProperties;
    }

    public Map<String, Profile> getProfilesById() {

                writeSecurityBuffer(type2, 40, data + target.length,
                        targetInformation);
            }
            return type2;
        } catch (IOException ex) {
            throw new IllegalStateException(ex.getMessage());
        }
    }

    public String toString() {
        String target = getTarget();
        byte[] challenge = getChallenge();
        byte[] context = getContext();

    assertFailsWith<IllegalStateException> {
      setString(0, "A")
    }
    assertFailsWith<IllegalStateException> {
      newSource(0)
    }
    assertFailsWith<IllegalStateException> {
      newSink(0)
    }
    assertFailsWith<IllegalStateException> {
      commit()
    }
    assertFailsWith<IllegalStateException> {
      abort()
    }
  }

import okio.Buffer
import okio.BufferedSink
import okio.utf8Size
import org.junit.jupiter.api.Test

class MultipartBodyTest {
  @Test
  fun onePartRequired() {
    assertFailsWith<IllegalStateException> {
      MultipartBody.Builder().build()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Multipart body must have at least one part.")
    }
  }

  @Test

  public void testIsPresent_yes() {
    assertTrue(Optional.of("training").isPresent());
  }

  public void testGet_absent() {
    Optional<String> optional = Optional.absent();
    assertThrows(IllegalStateException.class, optional::get);
  }

  public void testGet_present() {
    assertEquals("training", Optional.of("training").get());
  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional

                    ? registry.stream().collect(Collectors.toMap(lf -> lf.id(), lf -> new Lifecycle(registry, lf)))
                    : Map.of();
        } catch (LookupException e) {
            throw new IllegalStateException("Unable to lookup lifecycles from the plexus container", e);
        }
    }

    public String getLifecyclePhaseList() {

        if (request.isProcessPlugins()) {
            if (lifecycleBindingsInjector == null) {
                throw new IllegalStateException("lifecycle bindings injector is missing");
            }

            // lifecycle bindings injection
            lifecycleBindingsInjector.injectLifecycleBindings(resultModel, request, problems);
        }