1 files changed, 78 insertions, 0 deletions
diff --git a/gr-digital/python/qa_header_payload_demux.py b/gr-digital/python/qa_header_payload_demux.py
new file mode 100755
index 0000000000..4073f24ace
--- /dev/null
+++ b/gr-digital/python/qa_header_payload_demux.py
@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+# Copyright 2012 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.
+# 
+
+from gnuradio import gr, gr_unittest
+try: import pmt
+except: from gruel import pmt
+import digital_swig as digital
+import time
+
+class qa_header_payload_demux (gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_001_t (self):
+        """ Simplest possible test: put in zeros, then header,
+        then payload, trigger signal, try to demux.
+        The return signal from the header parser is faked via _post()
+        """
+        n_zeros = 100
+        header = (1, 2, 3)
+        payload = tuple(range(17))
+        data_signal = (0,) * n_zeros + header + payload
+        trigger_signal = [0,] * len(data_signal)
+        trigger_signal[n_zeros] = 1
+
+        data_src = gr.vector_source_f(data_signal, False)
+        trigger_src = gr.vector_source_b(trigger_signal, False)
+        hpd = digital.header_payload_demux(
+            len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
+        )
+        self.assertEqual(pmt.length(hpd.message_ports_in()), 1)
+        header_sink = gr.vector_sink_f()
+        payload_sink = gr.vector_sink_f()
+
+        self.tb.connect(data_src,    (hpd, 0))
+        self.tb.connect(trigger_src, (hpd, 1))
+        self.tb.connect((hpd, 0), header_sink)
+        self.tb.connect((hpd, 1), payload_sink)
+        self.tb.start()
+        time.sleep(.2) # Need this, otherwise, the next message is ignored
+        hpd.to_basic_block()._post(
+                pmt.intern('header_data'),
+                pmt.from_long(len(payload))
+        )
+        while len(payload_sink.data()) < len(payload):
+            time.sleep(.2)
+        self.tb.stop()
+        self.tb.wait()
+
+        self.assertEqual(header_sink.data(),  header)
+        self.assertEqual(payload_sink.data(), payload)
+
+
+if __name__ == '__main__':
+    gr_unittest.run(qa_header_payload_demux, "qa_header_payload_demux.xml")
+