expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPut_supportedNotPresent() {
    assertNull("put(notPresent, value) should return null", put(e3()));
    expectAdded(e3());
  }

  @MapFeature.Require({FAILS_FAST_ON_CONCURRENT_MODIFICATION, SUPPORTS_PUT})
  @CollectionSize.Require(absent = ZERO)

    void testDefaultConstructor() {
        // Given & When
        CIFSUnsupportedCryptoException exception = new CIFSUnsupportedCryptoException();

        // Then
        assertNull(exception.getMessage(), "Default constructor should have null message");
        assertNull(exception.getCause(), "Default constructor should have null cause");
        assertTrue(exception instanceof RuntimeCIFSException, "Should extend RuntimeCIFSException");

package jcifs;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

  @CollectionSize.Require(ZERO)
  public void testEmptySetPollFirst() {
    assertNull(navigableSet.pollFirst());
  }

  @CollectionSize.Require(ZERO)
  public void testEmptySetNearby() {
    assertNull(navigableSet.lower(e0()));
    assertNull(navigableSet.floor(e0()));
    assertNull(navigableSet.ceiling(e0()));
    assertNull(navigableSet.higher(e0()));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)

        assertEquals("aaa\\bbb\\ccc", ldapManager.getSearchRoleName("cn=aaa\\bbb\\ccc,du=test\""));

        assertNull(ldapManager.getSearchRoleName(null));
        assertNull(ldapManager.getSearchRoleName(""));
        assertNull(ldapManager.getSearchRoleName(" "));
        assertNull(ldapManager.getSearchRoleName("aaa"));
    }

    public void test_replaceWithUnderscores() {

            assertFalse(testBlock.isResponseAsync());
            assertNull(testBlock.getNext());
            assertFalse(testBlock.allowChain(mock(CommonServerMessageBlockRequest.class)));
            assertNull(testBlock.split());
            assertNull(testBlock.createCancel());
            assertNull(testBlock.getNextResponse());
            assertFalse(testBlock.isCancel());

        TestAuthenticationChain chain = new TestAuthenticationChain();
        chain.updateThrowsException = false;

        chain.update(null);

        assertEquals(1, chain.updateCalls.size());
        assertNull(chain.updateCalls.get(0));
    }

    // Test update with multiple calls
    public void test_update_multipleCalls() {
        TestAuthenticationChain chain = new TestAuthenticationChain();

        assertNull(config.getNetbiosHostname());
        assertNull(config.getLocalAddr());
        assertNull(config.getBroadcastAddress());
        assertNull(config.getResolveOrder());
        assertNotNull(config.getWinsServers());
        assertEquals(0, config.getWinsServers().length);
        assertEquals(0, config.getNetbiosLocalPort());
        assertNull(config.getNetbiosLocalAddress());

    assertNull(map.get(TypeToken.of(Integer.class)));
    assertNull(map.getInstance(Integer.class));

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));
    assertNull(map.get(TypeToken.of(Long.class)));
    assertNull(map.getInstance(Long.class));
  }

        assertEquals(25, accesstokenpager.getPageSize());
        assertEquals(1, accesstokenpager.getCurrentPageNumber());
        assertNull(accesstokenpager.id);
        assertNull(accesstokenpager.name);
        assertNull(accesstokenpager.createdBy);
        assertNull(accesstokenpager.createdTime);
        assertNull(accesstokenpager.versionNo);

        accesstokenpager.setAllRecordCount(999);