* well as a simple framework for helping to make sure that assertions failing in generated threads
 * cause the associated test that generated them to itself fail (which JUnit does not otherwise
 * arrange). The rules for creating such tests are:
 *
 * <ol>
 *   <li>All assertions in code running in generated threads must use the forms {@link

     * when we run AbstractFutureTest itself.
     */

    /*
     * We don't test UnsafeAtomicHelper here, since guava-android doesn't provide a way to use it
     * under the JVM. (We could arrange for one if we really wanted, but that will break once the
     * JDK further restricts access to Unsafe.) But we have coverage under an Android emulator,
     * which uses UnsafeAtomicHelper when it runs AbstractFutureTest itself.

    void available_smb2_happyPath() throws Exception {
        // Verify SMB2 path: IOCTL peek result is returned and resources are closed
        SmbPipeInputStream stream = newStreamWithMinimalStubs(true);

        // Arrange mocks for available()
        when(handle.ensureOpen()).thenReturn(fd);
        when(fd.getTree()).thenReturn(tree);
        when(tree.isSMB2()).thenReturn(true);
        when(tree.getConfig()).thenReturn(config);

    }

    @Test
    @DisplayName("Happy path: iterates entries, fetchMore(), then closes with FindClose2")
    void iteratesAndFetchesMoreThenCloses() throws Exception {
        // Arrange: program send() to simulate first, next, next(NO_MORE_FILES)
        List<String[]> batches = new ArrayList<>();
        batches.add(new String[] { ".", "..", "a", "b" }); // first batch, dot entries filtered

	// but may cause additional latency to some calls.
	metacacheSharePrefix = false
)

//go:generate msgp -file $GOFILE -unexported

// metacache contains a tracked cache entry.
type metacache struct {
	// do not re-arrange the struct this struct has been ordered to use less
	// space - if you do so please run https://github.com/orijtech/structslop
	// and verify if your changes are optimal.
	ended        time.Time  `msg:"end"`

                        String.format("Packet type 0x%02X should be in valid range 0x00-0x16", packetType));
            }
        }

        @Test
        @DisplayName("Fragment flags should be within byte range")
        void testFragmentFlagsRange() {
            // Verify that fragment flags are within byte range (0x00-0xFF)

    }

    @Test
    @DisplayName("ensureTreeConnected caches tree and acquires on each call")
    void testEnsureTreeConnectedCaching() throws CIFSException {
        // Arrange: first ensureTreeConnected comes from pipe
        when(pipe.ensureTreeConnected()).thenReturn(tree);
        when(tree.acquire()).thenReturn(tree); // method returns itself per implementation

        // Act: call twice

        DcerpcHandle handle = mock(DcerpcHandle.class);
        LsaPolicyHandle policy = mock(LsaPolicyHandle.class);

        jcifs.SID[] sids = new jcifs.SID[] { sid("S-1-1-0") };

        // Arrange a minimal response with given retval
        doAnswer(inv -> {
            jcifs.dcerpc.msrpc.MsrpcLookupSids rpc = inv.getArgument(0);
            rpc.retval = ret;
            // Provide empty arrays to satisfy code paths

 * well as a simple framework for helping to make sure that assertions failing in generated threads
 * cause the associated test that generated them to itself fail (which JUnit does not otherwise
 * arrange). The rules for creating such tests are:
 *
 * <ol>
 *   <li>All assertions in code running in generated threads must use the forms {@link

    }

    @Test
    @DisplayName("searchSessionKey returns null when Subject has no tickets")
    void searchSessionKey_emptySubject() throws Exception {
        // Arrange GSS context so method can run without NPE
        GSSName src = mock(GSSName.class);
        GSSName targ = mock(GSSName.class);
        when(src.export()).thenReturn(buildExportName(new Oid("1.2.3"), "client"));