if (this.gssContext != null) {
            try {
                this.gssContext.dispose();
            } catch (GSSException e) {
                throw new SmbException("Context disposal failed", e);
            }
        }
    }

    /*
     * Prepare reflective access to ExtendedGSSContext. The reflective access
     * abstracts the access so far, that Oracle JDK, Open JDK and IBM JDK are

            doThrow(new GSSException(GSSException.FAILURE)).when(gssContext).dispose();
            SmbException ex = assertThrows(SmbException.class, () -> ctx.dispose());
            assertTrue(ex.getMessage().contains("Context disposal failed"));
        }

        @Test
        @DisplayName("dispose with null context is no-op")
        void dispose_nullContext_noop() throws Exception {
            setPrivateField(ctx, "gssContext", null);

pkg image/gif, const DisposalPrevious = 3
pkg image/gif, const DisposalPrevious ideal-int
pkg image/gif, type GIF struct, BackgroundIndex uint8
pkg image/gif, type GIF struct, Config image.Config
pkg image/gif, type GIF struct, Disposal []uint8
pkg io, func CopyBuffer(Writer, Reader, []uint8) (int64, error)
pkg log, const LUTC = 32
pkg log, const LUTC ideal-int
pkg log, func Output(int, string) error
pkg log, method (*Logger) SetOutput(io.Writer)