final File safeFile = new File(baseDir, "subdir/file.txt");
        final File unsafeFile = new File(baseDir, "../../../etc/passwd");

        assertTrue("Safe file should be allowed", FileUtil.isPathSafe(safeFile, baseDir));
        assertFalse("Unsafe file should be blocked", FileUtil.isPathSafe(unsafeFile, baseDir));
    }

    /**
     * Test isPathSafe with path inside base directory
     *
     * @throws Exception

            final String message = e.getMessage();
            assertTrue("Error message should contain var path: " + message, message.contains(varDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain webapp path: " + message, message.contains(webappDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain conf path: " + message, message.contains(confDir.toFile().getCanonicalPath()));
        }

        int bufferIndex = 0;

        // Set structure size to 4 (invalid, should be 2)
        SMBUtil.writeInt2(4, buffer, bufferIndex);

        SMBProtocolDecodingException exception =
                assertThrows(SMBProtocolDecodingException.class, () -> response.readBytesWireFormat(buffer, bufferIndex),
                        "Should throw SMBProtocolDecodingException for invalid structure size");

    class InterfaceImplementationTests {

        @Test
        @DisplayName("Should implement AllocInfo interface")
        void shouldImplementAllocInfo() {
            assertTrue(AllocInfo.class.isAssignableFrom(FileFsFullSizeInformation.class));
        }

        @Test
        @DisplayName("Should implement FileSystemInformation interface")
        void shouldImplementFileSystemInformation() {

            }
        });

        MockSMailPostingDiscloser discloser = new MockSMailPostingDiscloser();

        // Should return early without doing anything
        try {
            notificationHelper.sendToSlack(null, discloser);
        } catch (Exception e) {
            fail("sendToSlack() should not throw an exception with blank URLs: " + e.getMessage());
        }
    }

    @Test

  @MapFeature.Require(SUPPORTS_PUT)
  public void testComputeIfAbsent_supportedAbsent() {
    assertEquals(
        "computeIfAbsent(notPresent, function) should return new value",
        v3(),
        getMap()
            .computeIfAbsent(
                k3(),
                k -> {
                  assertEquals(k3(), k);
                  return v3();

        assertNotNull(mappingOption, "Mapping option should not be null");
        OptionalThing<JsonFieldNaming> fieldNamingOpt = mappingOption.getFieldNaming();
        assertTrue("Field naming should be present", fieldNamingOpt.isPresent());
        assertEquals("Field naming should be CAMEL_TO_LOWER_SNAKE", JsonFieldNaming.CAMEL_TO_LOWER_SNAKE, fieldNamingOpt.get());
    }

    @Test
    public void test_instanceCreation() {

        // 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.

    }

    @Test
    @DisplayName("Should handle null message")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            CIFSException exception = new CIFSException((String) null);
            assertNotNull(exception);
        });
    }

    @Test
    @DisplayName("Should handle null cause")
    void testNullCause() {
        // When/Then

 */
@DisplayName("Credentials Interface Tests")
class CredentialsTest extends BaseTest {

    @Mock
    private Credentials mockCredentials;

    @Test
    @DisplayName("Should define interface methods")
    void testCredentialsInterface() {
        // Verify interface methods exist
        assertDoesNotThrow(() -> {
            mockCredentials.unwrap(Credentials.class);