// Assert
        assertNotNull(transPeekNamedPipe);
        assertNull(transPeekNamedPipe.name);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, -1, Integer.MAX_VALUE, Integer.MIN_VALUE, 0xFFFF })
    @DisplayName("Constructor should handle various FID values")
    void testConstructorWithVariousFids(int fid) {
        // Act

   * single-threaded.
   */
  @GwtIncompatible // GWT is single threaded
  public void testCopyOf_threadSafe() {
    /*
     * The actual collections that we pass as inputs will be wrappers around these, so
     * ImmutableSet.copyOf won't short-circuit because it won't see an ImmutableSet input.
     */
    ImmutableList<ImmutableSet<String>> distinctCandidatesByAscendingSize =

        doThrow(new AssertionError("ensureOpen should not be called")).when(raf).ensureOpen();
        raf.write(new byte[1], 0, 0);
    }

    @Test
    @DisplayName("Null inputs: read(byte[]) and write* with nulls throw NPE")
    void nullInputs_throwNPE() throws Exception {
        SmbRandomAccessFile raf = newInstance("rw", false, true, false);

        //
        // Builder, concurrency and parallelism
        //
        // We preserve the existing methods for builder selection which is to look for various inputs in the threading
        // configuration. We don't have an easy way to allow a pluggable builder to provide its own configuration

        SessionServicePacket.writeInt2(0x1234, dst, 0);

        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 255, 256, 32767, 65535 })
    @DisplayName("writeInt2 should handle various values")
    void testWriteInt2Various(int value) {
        byte[] dst = new byte[4];
        SessionServicePacket.writeInt2(value, dst, 0);

import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.math.IntMath;
import com.google.common.primitives.Ints;
import java.util.AbstractCollection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;

            assertEquals(3, SMBUtil.readInt2(buffer, 2));
            assertArrayEquals(salt, Arrays.copyOfRange(buffer, 4, 7));
        }

        @ParameterizedTest
        @ValueSource(ints = { 1, 3, 5, 10, 20 })
        @DisplayName("Should encode various hash algorithm counts correctly")
        void testEncodeVariousHashAlgoCounts(int algoCount) {
            int[] hashAlgos = new int[algoCount];

            assertNotNull(response.getDfsResponse());
            assertEquals(3, response.getDfsResponse().getNumReferrals());
        }

        @ParameterizedTest
        @ValueSource(ints = { 1, 2, 5, 10 })
        @DisplayName("Should handle varying number of referrals")
        void testReadDataWireFormatVaryingReferrals(int numReferrals) {

            assertEquals(100, testResponse.getAvailable());
            assertEquals(status, testResponse.getStatus());
        }
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 100, 255, 1000, 32767, 65535 })
    @DisplayName("readParametersWireFormat should handle various available values")
    void testReadParametersWireFormatWithVariousAvailableValues(int available) {
        // Arrange

            assertEquals("Expected structureSize = 4", exception.getMessage());
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 1, 2, 3, 5, 6, 8, 16, 100, 255, 1024, 4096, 65535 })
        @DisplayName("Should throw exception for various invalid structure sizes")
        void testReadBytesWireFormatVariousInvalidSizes(int invalidSize) {