digital: moved CRC32 from gnuradio-core to gr-digital. Also added QA code for it.

1 files changed, 60 insertions, 0 deletions

diff --git a/gr-digital/python/qa_crc32.py b/gr-digital/python/qa_crc32.py
new file mode 100644
index 000000000..f86813f3f
--- /dev/null
+++ b/gr-digital/python/qa_crc32.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+#
+# Copyright 2011 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
+import random, cmath
+
+class test_crc32(gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test01 (self):
+        data = 100*"0"
+        expected_result = 2943744955
+        result = digital_swig.crc32(data)
+        #print hex(result)
+        
+        self.assertEqual (expected_result, result)
+
+    def test02 (self):
+        data = 100*"1"
+        expected_result = 2326594156
+        result = digital_swig.crc32(data)
+        #print hex(result)
+        
+        self.assertEqual (expected_result, result)
+
+    def test03 (self):
+        data = 10*"0123456789"
+        expected_result = 3774345973
+        result = digital_swig.crc32(data)
+        #print hex(result)
+
+        self.assertEqual (expected_result, result)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_crc32, "test_crc32.xml")