#!/usr/bin/env python
#
# Copyright 2008,2010 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
try:
    import blocks_swig as blocks
except:
    from gnuradio import blocks
import math

class test_patterned_interleaver (gr_unittest.TestCase):

    def setUp (self):
        self.tb = gr.top_block ()

    def tearDown (self):
        self.tb = None

    def test_000(self):
        dst_data = [0,0,1,2,0,2,1,0];
        src0 = gr.vector_source_f(200*[0])
        src1 = gr.vector_source_f(200*[1])
        src2 = gr.vector_source_f(200*[2])
        itg = blocks.patterned_interleaver(gr.sizeof_float, dst_data)
        dst = gr.vector_sink_f()
        head = gr.head(gr.sizeof_float, 8);
        
        self.tb.connect( src0, (itg,0) );
        self.tb.connect( src1, (itg,1) );
        self.tb.connect( src2, (itg,2) );
        self.tb.connect( itg, head, dst );
    
        self.tb.run()
        self.assertEqual(list(dst_data), list(dst.data()))
    
if __name__ == '__main__':
    gr_unittest.run(test_patterned_interleaver, "test_patterned_interleaver.xml")