1 files changed, 87 insertions, 0 deletions
diff --git a/gr-blocks/lib/qa_gr_hier_block2_derived.cc b/gr-blocks/lib/qa_gr_hier_block2_derived.cc
new file mode 100644
index 0000000000..eb747d32cc
--- /dev/null
+++ b/gr-blocks/lib/qa_gr_hier_block2_derived.cc
@@ -0,0 +1,87 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2008,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qa_gr_hier_block2_derived.h>
+#include <gr_top_block.h>
+#include <gr_io_signature.h>
+#include <blocks/null_source.h>
+#include <blocks/null_sink.h>
+#include <blocks/head.h>
+#include <blocks/copy.h>
+
+// Declare a test C++ hierarchical block
+
+class gr_derived_block;
+typedef boost::shared_ptr<gr_derived_block> gr_derived_block_sptr;
+gr_derived_block_sptr gr_make_derived_block();
+
+class gr_derived_block : public gr_hier_block2
+{
+private:
+  friend gr_derived_block_sptr gr_make_derived_block();
+  gr_derived_block();
+
+public:
+  ~gr_derived_block();
+};
+
+
+gr_derived_block_sptr
+gr_make_derived_block()
+{
+  return gnuradio::get_initial_sptr(new gr_derived_block());
+}
+
+gr_derived_block::gr_derived_block()
+  : gr_hier_block2("gr_derived_block",
+		   gr_make_io_signature(1, 1, sizeof(int)), // Input signature
+		   gr_make_io_signature(1, 1, sizeof(int))) // Output signature
+{
+  gr_block_sptr copy(gr::blocks::copy::make(sizeof(int)));
+
+  connect(self(), 0, copy, 0);
+  connect(copy, 0, self(), 0);
+}
+
+gr_derived_block::~gr_derived_block()
+{
+}
+
+void qa_gr_hier_block2_derived::test_1()
+{
+  gr_top_block_sptr     tb(gr_make_top_block("test"));
+
+  gr_block_sptr         src(gr::blocks::null_source::make(sizeof(int)));
+  gr_block_sptr         head(gr::blocks::head::make(sizeof(int), 1000));
+  gr_derived_block_sptr blk(gr_make_derived_block());
+  gr_block_sptr         dst(gr::blocks::null_sink::make(sizeof(int)));
+
+  tb->connect(src,  0, head, 0);
+  tb->connect(head, 0, blk,  0);
+  tb->connect(blk,  0, dst,  0);
+
+  tb->run();
+}