import jcifs.internal.util.SMBUtil;

/**
 * Test class for SrvPipePeekResponse
 * Tests the decoding of FSCTL_PIPE_PEEK response according to MS-FSCC 2.3.29
 */
class SrvPipePeekResponseTest {

    private SrvPipePeekResponse response;

    @BeforeEach
    void setUp() {
        response = new SrvPipePeekResponse();
    }

    @Test
    @DisplayName("Test successful decode with data")

        when(tree.getConfig()).thenReturn(config);
        when(config.getTransactionBufferSize()).thenReturn(65535);

        Smb2IoctlResponse ioResp = mock(Smb2IoctlResponse.class);
        SrvPipePeekResponse peek = mock(SrvPipePeekResponse.class);
        when(peek.getReadDataAvailable()).thenReturn(7);
        when(ioResp.getOutputData()).thenReturn(peek);

        // Use constructor that sets ctlCode
        Smb2IoctlResponse resp = new Smb2IoctlResponse(config, null, Smb2IoctlRequest.FSCTL_PIPE_PEEK);
        resp.decode(packet, 0);

        SrvPipePeekResponse peek = resp.getOutputData(SrvPipePeekResponse.class);
        assertNotNull(peek);
        assertEquals(16, resp.getOutputLength());
        // Default zeros
        assertEquals(0, peek.getNamedPipeState());