}

        // File should be deleted after close
        // Note: FileUtil.deleteInBackground() is async, so we can't reliably test this
    }

    public void test_available() throws Exception {
        // Create a temporary file with test data
        File tempFile = File.createTempFile("test-", ".tmp");
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {

 */
public class TcpRdmaProviderTest {

    private TcpRdmaProvider provider;

    @BeforeEach
    public void setUp() {
        provider = new TcpRdmaProvider();
    }

    @Test
    public void testIsAvailable() {
        assertTrue(provider.isAvailable(), "TCP provider should always be available");
    }

    @Test
    public void testGetSupportedCapabilities() {

        pdis = createInputStream(new byte[] { 0x01, 0x02, 0x03, 0x04 });
        pdis.readByte(); // position is 1
        pdis.align(0);
        assertEquals(3, pdis.available());
    }

    @Test
    public void testAvailable() throws IOException {
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(4, pdis.available());
        pdis.readByte();