// Test null path
        testImplementation.setPath(null);
        assertNull(testImplementation.getPath());

        // Test null UNC path components
        testImplementation.setFullUNCPath(null, null, null);
        assertNull(testImplementation.getDomain());
        assertNull(testImplementation.getServer());
        assertNull(testImplementation.getFullUNCPath());
    }

    @Test

        assertNull(result);
    }

    @Test
    void testGetByNameWithNonExistentFile() {
        // Test with non-existent file
        when(mockConfig.getLmHostsFileName()).thenReturn("/non/existent/lmhosts");

        NbtAddress result = lmhosts.getByName("TEST_HOST", mockContext);

        assertNull(result);
    }

    @Test

        Kerb5Authenticator auth = new Kerb5Authenticator((Subject) null);

        // User accessors
        assertNull(auth.getUser());
        auth.setUser(null);
        assertNull(auth.getUser());
        auth.setUser("");
        assertEquals("", auth.getUser());

        // Realm accessors
        assertNull(auth.getRealm());
        auth.setRealm("EXAMPLE.COM");
        assertEquals("EXAMPLE.COM", auth.getRealm());

        void testDomain() {
            assertNull(referralData.getDomain());
            referralData.setDomain("EXAMPLE.COM");
            assertEquals("EXAMPLE.COM", referralData.getDomain());
        }

        @Test
        @DisplayName("Should get and set link")
        void testLink() {
            assertNull(referralData.getLink());
            referralData.setLink("\\\\server\\share\\link");

  @CollectionSize.Require(ONE)
  public void testForcePutKeyPresent() {
    getMap().forcePut(k0(), v1());
    expectContents(mapEntry(k0(), v1()));
    assertFalse(getMap().containsValue(v0()));
    assertNull(getMap().inverse().get(v0()));
    assertEquals(1, getMap().size());
    assertTrue(getMap().containsKey(k0()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(ONE)

    protected void assertFalse(boolean condition, String message) {
        Assertions.assertFalse(condition, message);
    }

    // assertNull - JUnit 5 style only (to avoid ambiguity with String actual)
    protected void assertNull(Object actual, String message) {
        Assertions.assertNull(actual, message);
    }

    // assertNotNull - JUnit 5 style only (to avoid ambiguity with String actual)

                  throw new AssertionFailedError();
                }));
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testComputeIfAbsent_functionReturnsNullNotInserted() {
    assertNull(
        "computeIfAbsent(absent, returnsNull) should return null",
        getMap()
            .computeIfAbsent(
                k3(),
                k -> {
                  assertEquals(k3(), k);

        assertNull(provider.providePrimaryOneWayCryptographer());
    }

    @Test
    public void test_constructor_withBothNull() {
        // Test with both cryptographers null
        FessSecurityResourceProvider provider = new FessSecurityResourceProvider(null, null);
        assertNotNull(provider);
        assertNull(provider.providePrimaryInvertibleCryptographer());

        assertEquals(false, stemmerOverridePager.isExistNextPage());
        assertEquals(25, stemmerOverridePager.getPageSize());
        assertEquals(1, stemmerOverridePager.getCurrentPageNumber());
        assertNull(stemmerOverridePager.id);

        stemmerOverridePager.setAllRecordCount(999);
        assertEquals(999, stemmerOverridePager.getAllRecordCount());
        stemmerOverridePager.setAllPageCount(999);

package jcifs.util.transport;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

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

class MessageTest {

    private Message message;

    @BeforeEach
    void setUp() {