/**
 * Unit tests for {@link NegTokenTarg}. The class has no external
 * collaborators so tests are mostly focused on round‑trip
 * serialisation and invalid input handling.
 */
class NegTokenTargTest {

    @Test
    @DisplayName("happy path – full token round‑trip")
    void testRoundTripFull() throws IOException {
        // Arrange – create a fully populated token

        assertArrayEquals(mechs, parsed.getMechanisms(), "Mechanism OIDs should round-trip");
        assertEquals(flags, parsed.getContextFlags(), "Flags should round-trip");
        assertArrayEquals(mechToken, parsed.getMechanismToken(), "Mechanism token should round-trip");
        assertArrayEquals(mic, parsed.getMechanismListMIC(), "MIC should round-trip");

        assertTrue(parsed.getContextFlag(NegTokenInit.DELEGATION));

            assertTrue(result.length > 0, "Result should not be empty");

            // Verify round-trip conversion
            String roundTrip = new String(result, StandardCharsets.UTF_16LE);
            assertEquals(UNICODE_STRING, roundTrip, "Round-trip conversion should preserve Unicode");
        }

        @Test
        @DisplayName("getASCIIBytes should encode string as ASCII")

        long initialTime = circuitBreaker.getTimeSinceLastStateChange();
        assertTrue(initialTime >= 0, "Should have initial timestamp");

        // Trip circuit
        circuitBreaker.trip();
        Thread.sleep(100);

        long afterTripTime = circuitBreaker.getTimeSinceLastStateChange();
        assertTrue(afterTripTime >= 100, "Time should have advanced");

 */
@ExtendWith(MockitoExtension.class)
public class NdrHyperTest {

    /**
     * Tests a simple round‑trip encode → decode retains the original value.
     */
    @Test
    @DisplayName("Basic round‑trip for a fixed value")
    public void testEncodeRoundTrip() throws NdrException {
        final long original = 0x1122334455667788L;
        NdrHyper hyper = new NdrHyper(original);

        assertTrue(str.contains("1024"));
    }

    /**
     * Test FileEndOfFileInformation encode/decode round trip
     */
    @Test
    @DisplayName("Test FileEndOfFileInformation encode/decode round trip")
    void testFileEndOfFileInformationEncodeDecodeRoundTrip() throws SMBProtocolDecodingException {
        long originalValue = 0x123456789ABCDEFL;

            assertEquals(largeValue, ndrShort.value);
        }
    }

    @Nested
    @DisplayName("Round-trip Tests")
    class RoundTripTests {

        @Test
        @DisplayName("Should handle encode-decode round-trip correctly")
        void testEncodeDecodeRoundTrip() throws NdrException {
            // Given: Original value that fits in byte range

        TestSpnegoToken t = new TestSpnegoToken();
        byte[] data = new byte[] { 1, 2, 3 };
        t.setMechanismToken(data);
        assertArrayEquals(data, t.getMechanismToken(), "mechanismToken should round-trip");

        // Document current behavior: no defensive copy (reference exposed)
        data[0] = 9;
        assertEquals(9, t.getMechanismToken()[0], "no defensive copy; reflects external mutation");
    }

    @Test

        int bytesRead = info.decode(buffer, startIndex, buffer.length - startIndex);

        assertEquals(20 + nameBytes.length, bytesRead);
    }

    @Test
    @DisplayName("Test encode and decode round trip")
    void testEncodeDecodeRoundTrip() throws SMBProtocolDecodingException {
        String fileName = "roundtrip_test.txt";
        boolean replaceIfExists = true;

        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

        assertEquals(expectedTimestamp, avTimestamp.getTimestamp());
    }

    /**
     * Test round-trip conversion: long -> bytes -> long.
     */
    @Test
    public void testRoundTripConversion() {
        long originalTimestamp = 543210987654321L;
        AvTimestamp avTimestamp = new AvTimestamp(originalTimestamp);