// A byte array with a length less than 32 should be considered valid.
        byte[] validData = new byte[31];
        assertDoesNotThrow(() -> new PacCredentialType(validData));
    }

    /**
     * Tests the constructor with a null byte array, which should throw an exception.
     */
    @Test
    void testConstructorWithNullData() {
        // A null byte array should cause a PACDecodingException.

class UpgradeContextTest {

    @Test
    @DisplayName("should create context successfully")
    void shouldCreateContextSuccessfully() {
        // Use existing test utilities to create a context
        UpgradeContext context = TestUtils.createMockContext(Paths.get("/test"));

        // Verify context is created and basic methods work
        assertNotNull(context, "Context should be created");

        d.readBytesWireFormat(buf, 0);

        // After a full read both flags should be set and hasMore should be false
        assertTrue(d.getParametersDone(), "parametersDone should be true after reading");
        assertTrue(d.getDataDone(), "dataDone should be true after reading");
        assertFalse(d.getHasMore(), "hasMore should be false when both packets are fully read");
    }

    /**

  public void testPutIfAbsent_supportedAbsent() {
    assertNull("putIfAbsent(notPresent, value) should return null", putIfAbsent(e3()));
    expectAdded(e3());
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutIfAbsent_supportedPresent() {
    assertEquals(
        "putIfAbsent(present, value) should return existing value",
        v0(),
        getMap().putIfAbsent(k0(), v3()));

    }

    @Test
    @DisplayName("addFlags0 combines flags correctly")
    void addFlags0() {
        SmbComNTCreateAndX req = createRequest(0, 0);
        req.addFlags0(0x10);
        int flags0 = (int) getPrivateField(req, "flags0");
        assertTrue((flags0 & 0x10) != 0, "flag should be set after addFlags0");
        // Calling again should combine rather than overwrite

        assertEquals(SmbConstants.O_RDONLY, SmbPipeResource.PIPE_TYPE_RDONLY, "PIPE_TYPE_RDONLY should match SmbConstants.O_RDONLY");
    }

    /**
     * Test if the PIPE_TYPE_WRONLY constant has the correct value.
     */
    @Test
    void testPipeTypeWronly() {
        assertEquals(SmbConstants.O_WRONLY, SmbPipeResource.PIPE_TYPE_WRONLY, "PIPE_TYPE_WRONLY should match SmbConstants.O_WRONLY");
    }

    /**

        Assertions.assertEquals(0x20, info.getAttributes(), "attributes should match");
        Assertions.assertEquals(1_600_000_000_000L, info.getCreateTime(), "create time should match");
        Assertions.assertEquals(1_700_000_000_000L, info.getLastWriteTime(), "last write should match");
        Assertions.assertEquals(1_650_000_000_000L, info.getLastAccessTime(), "last access should match");

        AvChannelBindings avChannelBindings = new AvChannelBindings(testHash);

        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

	}

	// Decrease reference count by 1.
	if err = rlk.Close(); err != nil {
		t.Fatal(err)
	}

	// Now file should be closed.
	isClosed = rlk.IsClosed()
	if !isClosed {
		t.Fatal("File ref count should be zero")
	}

	// Closing a file again should result in invalid argument.
	if err = rlk.Close(); err != os.ErrInvalid {
		t.Fatal(err)
	}

	_, err = newRLockedFile(nil)

    class ConstantValues {
        @Test
        void successIsZero() {
            assertEquals(0, WinError.ERROR_SUCCESS, "ERROR_SUCCESS should be 0");
        }

        @Test
        void accessDeniedIsFive() {
            assertEquals(5, WinError.ERROR_ACCESS_DENIED, "ERROR_ACCESS_DENIED should be 5");
        }

        @Test
        void knownErrorCodes() {