private static final char GREATEST = Character.MAX_VALUE;

  private static final char[] VALUES = {LEAST, 'a', '\u00e0', '\udcaa', GREATEST};

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testHashCode() {
    for (char value : VALUES) {
      assertThat(Chars.hashCode(value)).isEqualTo(Character.hashCode(value));
    }
  }

import java.util.Collections;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * Encapsulates the constraints that a class under test must satisfy in order for a tester method to
 * be run against that class.
 *
 * @author George van den Driessche
 */
@GwtCompatible
public final class TesterRequirements {
  private final Set<Feature<?>> presentFeatures;

@GwtIncompatible
public interface Interner<E> {
  /**
   * Chooses and returns the representative instance for any of a collection of instances that are
   * equal to each other. If two {@linkplain Object#equals equal} inputs are given to this method,
   * both calls will return the same instance. That is, {@code intern(a).equals(a)} always holds,
   * and {@code intern(a) == intern(b)} if and only if {@code a.equals(b)}. Note that {@code

     */
    void add(Problem.Severity severity, String message, int line, int column, Exception cause);

    /**
     * The next messages will be bound to this source. When calling this method again, previous messages keep
     * their source, but the next messages will use the new source.
     *
     * @param source a source
     */
    void setSource(String source);

    /**
     *

     * @throws ArtifactInstallationException if an error occurred installing the artifact
     * @deprecated to be removed before 2.0 after the install/deploy plugins use the alternate
     *             method
     */
    @Deprecated
    void install(String basedir, String finalName, Artifact artifact, ArtifactRepository localRepository)
            throws ArtifactInstallationException;

    /**

        assertTrue(result.contains("dataCompactionMode=1"));
        assertTrue(result.contains("dataLength=1024"));
        assertTrue(result.contains("dataOffset=54"));
    }

    // Helper method to write a 2-byte integer to a byte array
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }

        }
    }

    /**
     * Test exception in method that declares throws
     */
    public void test_exceptionInMethod() {
        try {
            methodThatThrowsException();
            fail("Should have thrown CrawlerSystemException");
        } catch (CrawlerSystemException e) {
            assertEquals("Method exception", e.getMessage());
        }
    }

     * it.
     */
    setResult(transformResult);
  }

  /** Template method for subtypes to actually run the transform. */
  @ForOverride
  @ParametricNullness
  abstract T doTransform(F function, @ParametricNullness I result) throws Exception;

  /** Template method for subtypes to actually set the result. */
  @ForOverride
  abstract void setResult(@ParametricNullness T result);

        verify(mockResponse, never()).setStatus(any(int.class));
    }

    /**
     * Test case for the instance method doAuthentication.
     * It should just delegate to the static authenticate method.
     * @throws IOException
     */
    @Test
    public void testDoAuthentication() throws IOException {
        // Setup: No "Authorization" header to follow a simple path

      return;
    }
    fail("Should get not equal to equal object error");
  }

  /**
   * Test for an invalid hashCode method, i.e., one that returns different value for objects that
   * are equal according to the equals method
   */
  public void testInvalidHashCode() {
    Object a = new InvalidHashCodeObject(1, 2);
    Object b = new InvalidHashCodeObject(1, 2);