import static com.google.common.collect.testing.testers.ListAddTester.getAddSupportedNullPresentMethod;
import static com.google.common.collect.testing.testers.ListSetTester.getSetNullSupportedMethod;
import static java.util.Arrays.asList;

import com.google.common.collect.testing.testers.CollectionAddTester;
import com.google.common.collect.testing.testers.ListAddAtIndexTester;
import java.lang.reflect.Method;
import java.util.Collection;

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.testing.features.MapFeature;
import java.util.List;
import org.junit.Ignore;

import static com.google.common.collect.testing.testers.CollectionCreationTester.getCreateWithNullUnsupportedMethod;
import static com.google.common.collect.testing.testers.SetAddTester.getAddSupportedNullPresentMethod;
import static java.util.Arrays.asList;

import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Set;
import junit.framework.Test;

/**

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.SetMultimap;
import com.google.common.collect.testing.features.MapFeature;
import java.util.List;
import org.junit.Ignore;

import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.security.DigestException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.MockedStatic;

        String result = StringUtil.join(null, "first", "second", "third");
        assertEquals("firstnullsecondnullthird", result);
    }

    @Test
    @DisplayName("Should handle null elements in array")
    void testJoinWithNullElements() {
        String result = StringUtil.join(",", "first", null, "third");
        assertEquals("first,null,third", result);
    }

    @Test

        prevArray = builder.contents;
      }
    }
  }

  public void testCreation_arrayOfArray() {
    String[] array = new String[] {"a"};
    Set<String[]> set = ImmutableSet.<String[]>of(array);
    assertEquals(singleton(array), set);
  }

  @GwtIncompatible // ImmutableSet.chooseTableSize
  public void testChooseTableSize() {
    assertEquals(8, ImmutableSet.chooseTableSize(3));

    assertThat(set).containsExactly("a", "b", "c").inOrder();
  }

  public void testCreation_arrayOfArray() {
    String[] array = new String[] {"a"};
    Set<String[]> set = ImmutableSet.<String[]>of(array);
    assertEquals(singleton(array), set);
  }

  @GwtIncompatible // ImmutableSet.chooseTableSize
  public void testChooseTableSize() {
    assertEquals(8, ImmutableSet.chooseTableSize(3));

        assertThrows(SmbException.class, () -> new SID("invalid-sid"));
        assertThrows(SmbException.class, () -> new SID("S-1"));
    }

    /**
     * Test constructor with a byte array.
     */
    @Test
    void testByteArrayConstructor() {
        SID sid = new SID(adminSidBytes, 0);
        assertEquals(1, sid.revision);
        assertEquals(2, sid.sub_authority_count);

    /**
     * Creates a new request to enumerate aliases in a domain.
     *
     * @param domainHandle the handle to the SAM domain
     * @param acct_flags account flags to filter the enumeration
     * @param sam the SAM array to store the enumeration results
     */
    public MsrpcEnumerateAliasesInDomain(final SamrDomainHandle domainHandle, final int acct_flags, final samr.SamrSamArray sam) {
        super(domainHandle, 0, acct_flags, null, 0);