```
scala> val file = sc.textFile("s3a://testbucket/testdata")
file: org.apache.spark.rdd.RDD[String] = s3a://testbucket/testdata MapPartitionsRDD[1] at textFile at <console>:24

scala> val counts = file.flatMap(line => line.split(" ")).map(word => (word, 1)).reduceByKey(_ + _)

        // Initialize CharMappingFile
        charMappingFile = new CharMappingFile("test_id", testFile.getAbsolutePath(), new Date());
        charMappingFile.manager(dictionaryManager);
    }

    @Override
    public void tearDown() throws Exception {
        if (testFile != null && testFile.exists()) {
            testFile.delete();
        }
        super.tearDown();
    }

    // Test getType method

        // Create StopwordsFile instance
        stopwordsFile = new StopwordsFile("test_id", testFile.getAbsolutePath(), new Date());
        stopwordsFile.manager(dictionaryManager);
    }

    @Override
    public void tearDown() throws Exception {
        if (testFile != null && testFile.exists()) {
            testFile.delete();
        }
        super.tearDown();
    }

    private String getTestContent() {

        // Initialize ProtwordsFile
        protwordsFile = new ProtwordsFile("test_id", testFile.getAbsolutePath(), new Date());
        protwordsFile.manager(dictionaryManager);
    }

    @Override
    public void tearDown() throws Exception {
        if (testFile != null && testFile.exists()) {
            testFile.delete();
        }
        super.tearDown();
    }

    private String getTestContent() {

    }

    // Test FilePurgeVisitor
    public void test_FilePurgeVisitor() throws IOException {
        // Create a test file
        File testFile = new File(tempDir, "_1/_2/test.png");
        testFile.getParentFile().mkdirs();
        testFile.createNewFile();
        testFile.setLastModified(System.currentTimeMillis() - 2000L);

        // Since FilePurgeVisitor is an inner class and we can't directly test it,

        tree.connectionState = 2; // Connected state
        tree.tid = 123;

        // Create real request and response objects since they're not interfaces
        ServerMessageBlock request = new SmbComOpenAndX("testfile.txt", 0x01, 0, null);
        ServerMessageBlock response = new SmbComOpenAndXResponse();

        // Execute send
        tree.send(request, response);

        // Verify session.send was called and tid was set

    }

    @Test
    @DisplayName("Test decode with replaceIfExists true")
    void testDecodeWithReplaceIfExistsTrue() throws SMBProtocolDecodingException {
        String originalFileName = "testfile.txt";
        byte[] nameBytes = originalFileName.getBytes(StandardCharsets.UTF_16LE);

        byte[] buffer = new byte[100];
        buffer[0] = 1; // replaceIfExists = true
        // Skip 7 reserved bytes (1-7)

	"time"
)

type testError struct{ error }

type fileOps []any // []T where T is (string | int64)

// testFile is an io.ReadWriteSeeker where the IO operations performed
// on it must match the list of operations in ops.
type testFile struct {
	ops fileOps
	pos int64
}

func (f *testFile) Read(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, nil
	}
	if len(f.ops) == 0 {
		return 0, io.EOF
	}

        byte[] buffer = createValidNotificationBuffer("testfile.txt", FileNotifyInformation.FILE_ACTION_ADDED);

        FileNotifyInformationImpl info = new FileNotifyInformationImpl(buffer, 0, buffer.length);

        assertNotNull(info);
        assertEquals(FileNotifyInformation.FILE_ACTION_ADDED, info.getAction());
        assertEquals("testfile.txt", info.getFileName());
    }

    @Test

    void testGetName() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] buffer = createValidBuffer("testfile.txt", "TEST~1.TXT", true);

        // Decode
        fileBothDirectoryInfo.decode(buffer, 0, buffer.length);

        // Verify
        assertEquals("testfile.txt", fileBothDirectoryInfo.getName());
    }

    @Test
    @DisplayName("Test getType returns TYPE_FILESYSTEM")