* concurrent use, but if the cache is modified (including by eviction) after the iterator is
   * created, it is undefined which of the changes (if any) will be reflected in that iterator.
   *
   * <p><b>Warning to users of Java 8+:</b> do not call any of the new <i>default methods</i> that
   * have been newly added to {@link ConcurrentMap}! These are marked with "Since: 1.8" in the

import java.util.Locale;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Hashing}.
 *
 * <p>TODO(b/33919189): Migrate repeated testing methods to {@link HashTestUtils} and tweak unit
 * tests to reference them from there.
 *
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@NullUnmarked

her violently with its wings.

  `Serpent!' screamed the Pigeon.

  `I'm NOT a serpent!' said Alice indignantly.  `Let me alone!'

  `Serpent, I say again!' repeated the Pigeon, but in a more
subdued tone, and added with a kind of sob, `I've tried every
way, and nothing seems to suit them!'

  `I haven't the least idea what you're talking about,' said
Alice.

    <!-- pluginGroup
     | Specifies a further group identifier to use for plugin lookup.
    <pluginGroup>com.your.plugins</pluginGroup>
    -->
  </pluginGroups>

  <!-- TODO Since when can proxies be selected as depicted? -->
  <!-- proxies
   | This is a list of proxies which can be used on this machine to connect to the network.
   | Unless otherwise specified (by system property or command-line switch), the first proxy

        assertNotNull(provider.getSupportedCapabilities(), "Supported capabilities should not be null");
        assertTrue(provider.getMaxMessageSize() > 0, "Max message size should be positive");

        System.out.println("Selected RDMA provider: " + provider.getProviderName());
        System.out.println("Supported capabilities: " + provider.getSupportedCapabilities());
        System.out.println("Max message size: " + provider.getMaxMessageSize());
    }

          parentBuilder) {
    // TODO: Once invariant support is added, supply invariants to each of the
    // derived suites, to check that mutations to the derived collections are
    // reflected in the underlying map.

    List<TestSuite> derivedSuites = super.createDerivedSuites(parentBuilder);

    if (parentBuilder.getFeatures().contains(CollectionFeature.SERIALIZABLE)) {
      derivedSuites.add(

    /*
     * Wait not just until the Future's value is set (as in future.get()) but
     * also until ListeningScheduledExecutorService's wrapper task is done
     * executing listeners, as detected by yielding control to afterExecute.
     */
    completed.await();
    assertTrue(future.isDone());
    assertThat(future.get()).isEqualTo(42);
    assertListenerRunImmediately(future);

 * that they are safe for concurrent use, but if other threads modify the map after the iterator is
 * created, it is undefined which of these changes, if any, are reflected in that iterator. These
 * iterators never throw {@link ConcurrentModificationException}.
 *
 * <p>If {@link #weakKeys} or {@link #weakValues} are requested, it is possible for a key or value

                }
              }
            });

    assertTrue(a.compareAndSet(0, 1.0, 2.0));
    awaitTermination(t);
    assertBitEquals(3.0, a.get(0));
  }

  /** repeated weakCompareAndSet succeeds in changing value when equal to expected */
  public void testWeakCompareAndSet() {
    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i : new int[] {0, SIZE - 1}) {

        // Setter should update the field
        transformer.setName("setterAccess");
        assertEquals("setterAccess", transformer.name);

        // Field modification should be reflected in getter
        transformer.name = "modifiedField";
        assertEquals("modifiedField", transformer.getName());
    }

    /**
     * Test name persistence across operations
     */