b.WriteString("abcdefghijklmnopqrstuvwxy") // hard
	b.WriteString("z")
	if err := b.Flush(); err != nil {
		t.Error("WriteString", err)
	}
	s := "01234567890abcdefghijklmnopqrstuvwxyz"
	if buf.String() != s {
		t.Errorf("WriteString wants %q gets %q", s, buf.String())
	}
}

func TestWriteStringStringWriter(t *testing.T) {
	const BufSize = 8
	{

        long timestamp = System.currentTimeMillis();
        SmbFile file = new SmbFile(baseUrl + "shared/partial_" + timestamp + ".txt", context);

        // Write test data
        String content = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        try (OutputStream out = file.openOutputStream(false)) {
            out.write(content.getBytes("UTF-8"));
        }

        // Read partial content