err := storage.AppendFile(t.Context(), "foo", "myobject", []byte("foo"))
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	testCases := []struct {
		volumeName     string
		objectName     string
		offset         int64
		expectedResult []byte
		expectErr      bool
	}{
		{"foo", "myobject", 0, []byte("foo"), false},
		{"foo", "myobject", 1, []byte("oo"), false},
		// file not found error.

        this.filename = lastName;
        flags2 = 0;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        writeInt2(sid, dst, dstIndex);

import org.junit.jupiter.api.Test;

class AvPairTest {

    @Test
    void testConstructorAndGetters() {
        // Test with a valid type and raw data
        int type = AvPair.MsvAvTimestamp;
        byte[] raw = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        AvPair avPair = new AvPair(type, raw);

        assertEquals(type, avPair.getType(), "Type should match the constructor argument.");

            // Given
            byte[] originalBuffer = new byte[100];
            for (int i = 0; i < originalBuffer.length; i++) {
                originalBuffer[i] = (byte) i;
            }
            byte[] buffer = originalBuffer.clone();

            // When
            Method readParams = SmbComNtCancel.class.getDeclaredMethod("readParameterWordsWireFormat", byte[].class, int.class);

        when(this.mechContext.getFlags()).thenReturn(0x1234);
        when(this.mechContext.initSecContext(any(byte[].class), eq(0), eq(0))).thenReturn(new byte[] { 0x01, 0x02 });

        // Act: len==0 triggers initial token construction
        byte[] out = ctx.initSecContext(null, 0, 0);

        // Assert: returns a SPNEGO token (opaque here but non-null/non-empty)
        assertNotNull(out);

            assertEquals((byte) 0xFE, buffer[0]);
            assertEquals((byte) 'S', buffer[1]);
            assertEquals((byte) 'M', buffer[2]);
            assertEquals((byte) 'B', buffer[3]);
        }

        @Test
        @DisplayName("Should encode with signature when digest is set")
        void testEncodeWithSignature() {
            byte[] buffer = new byte[1024];

	},
	{
		ObjectKey:  [32]byte{},
		ObjectInfo: ObjectInfo{ETag: "916516b396f0f4d4f2a0e7177557bec4-738"},
		ETag:       "916516b396f0f4d4f2a0e7177557bec4-738",
	},
	{
		ObjectKey:  [32]byte{},
		ObjectInfo: ObjectInfo{ETag: "916516b396f0f4d4f2a0e7177557bec4-Q"},
		ETag:       "",
		ShouldFail: true, // Q is not a number
	},
	{
		ObjectKey:  [32]byte{},

     */
    public NdrBuffer deferred;

    /**
     * Constructs an NdrBuffer with the specified byte array and starting position.
     *
     * @param buf the byte array to use as the buffer
     * @param start the starting position in the buffer
     */
    public NdrBuffer(final byte[] buf, final int start) {
        this.buf = buf;
        this.start = this.index = start;
        this.length = 0;

        }

        @Override
        public byte[] getSessionKey() throws CIFSException {
            return sessionKey;
        }

        @Override
        protected void doSendFragment(byte[] buf, int off, int length) throws IOException {
            // Mock implementation for testing
        }

        @Override
        protected int doReceiveFragment(byte[] buf) throws IOException {

func TestParseS3ChunkExtension(t *testing.T) {
	type testCase struct {
		buf       []byte
		chunkSize []byte
		chunkSign []byte
	}

	tests := []testCase{
		// Test - 1 valid case.
		{
			[]byte("10000;chunk-signature=ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648"),
			[]byte("10000"),
			[]byte("ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648"),
		},