1 files changed, 49 insertions, 0 deletions
diff --git a/gr-digital/python/qa_diff_phasor_cc.py b/gr-digital/python/qa_diff_phasor_cc.py
new file mode 100755
index 000000000..3e7617fe4
--- /dev/null
+++ b/gr-digital/python/qa_diff_phasor_cc.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2007,2010 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
+import digital_swig as digital
+import math
+
+class test_diff_phasor (gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_diff_phasor_cc (self):
+        src_data = (0+0j, 1+0j, -1+0j, 3+4j, -3-4j, -3+4j)
+        expected_result = (0+0j, 0+0j, -1+0j, -3-4j, -25+0j, -7-24j)
+        src = gr.vector_source_c (src_data)
+        op = digital.diff_phasor_cc ()
+        dst = gr.vector_sink_c ()
+        self.tb.connect (src, op)
+        self.tb.connect (op, dst)
+        self.tb.run ()               # run the graph and wait for it to finish
+        actual_result = dst.data ()  # fetch the contents of the sink
+        self.assertComplexTuplesAlmostEqual (expected_result, actual_result)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_diff_phasor, "test_diff_phasor.xml")
+