public class ConcurrentMapReplaceTester<K, V> extends AbstractMapTester<K, V> {
  @Override
  protected ConcurrentMap<K, V> getMap() {
    return (ConcurrentMap<K, V>) super.getMap();
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testReplace_supportedPresent() {
    assertEquals(v0(), getMap().replace(k0(), v3()));
    expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require(SUPPORTS_PUT)

            assertNotNull(context);
            assertArrayEquals(hashAlgos, context.getHashAlgos());
            assertArrayEquals(salt, context.getSalt());
            assertEquals(0, context.getHashAlgos().length);
            assertEquals(0, context.getSalt().length);
        }

        @Test
        @DisplayName("Should create instance with default constructor")
        void testDefaultConstructor() {

    // re-order
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // evict 3, 4, 5
    getAll(cache, asList(10));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(6, 7, 8, 9, 0, 1, 2, 10);

    // re-order
    getAll(cache, asList(6, 7, 8));

    try {
      assertEquals(v0(), getMap().replace(k0(), v3()));
      expectReplacement(entry(k0(), v3()));
    } catch (ClassCastException tolerated) { // for ClassToInstanceMap
      expectUnchanged();
    }
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testReplace_supportedPresentNoChange() {
    assertEquals(v0(), getMap().replace(k0(), v0()));
    expectUnchanged();

    assertTrue("containsValue(present) should return true", getMap().containsValue(v0()));
  }

  public void testContains_no() {
    assertFalse("containsValue(notPresent) should return false", getMap().containsValue(v3()));
  }

  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
  public void testContains_nullNotContainedButAllowed() {
    assertFalse("containsValue(null) should return false", getMap().containsValue(null));
  }

    extends AbstractContainerTester<Map<K, V>, Entry<K, V>> {
  protected Map<K, V> getMap() {
    return container;
  }

  @Override
  protected Collection<Entry<K, V>> actualContents() {
    return getMap().entrySet();
  }

  /**
   * @see AbstractContainerTester#resetContainer()
   */
  protected final void resetMap() {
    resetContainer();
  }

            assertArrayEquals(originalContext.getHashAlgos(), decodedContext.getHashAlgos());
            assertArrayEquals(originalContext.getSalt(), decodedContext.getSalt());
            assertEquals(originalContext.size(), decodedContext.size());
        }

        @Test
        @DisplayName("Should handle buffer boundaries correctly")

            KerberosPacAuthData authData = new KerberosPacAuthData(pacData, keys);
            assertNotNull(authData.getPac());
            assertNotNull(authData.getPac().getLogonInfo());
            assertNotNull(authData.getPac().getServerSignature());
            assertNotNull(authData.getPac().getKdcSignature());
        }
    }

    // Test exception for empty PAC
    @Test
    void testConstructorEmptyPac() {

        assertEquals(AvPair.MsvAvChannelBindings, avChannelBindings.getType(), "Type should be MsvAvChannelBindings");
        assertArrayEquals(testHash, avChannelBindings.getRaw(), "Value should match the provided hash");
    }

    /**
     * Test that the constructor handles a null channel binding hash.
     */
    @Test
    void testConstructorWithNullHash() {

    for (Entry<K, V> entry : getMap().entrySet()) {
      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      expectUnchanged();
    }
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testSetValueNullSupported() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      if (entry.getKey().equals(k0())) {