def no_test_001_pad(self):
s = "abcd"
x = self.make_waveform(s)
m = self.tobytes(x)
msg = gr.message_from_string(m)
Ntx = 2
msg.set_arg1(Ntx)
msg.set_arg2(len(x)/Ntx)
pad = rf.pad()
dst = gr.vector_sink_c()
pad.inputQ().insert_tail(msg)
pad.shutdown() # schedules shutdown
self.tb.connect (pad, dst)
pad.set_npost(3)
self.tb.run()
result_data = dst.data ()
block_size = pad.block_size()
# prepad:(1+npre)*Ntx, postpad:(1+npost)*Ntx
pre_pad = int(1+pad.npre())*Ntx*block_size
post_pad = int(1+pad.npost())*Ntx*block_size
pad_size = pre_pad + post_pad - len(x)%block_size
self.assertComplexTuplesAlmostEqual (tuple(x), \
result_data[pre_pad:pre_pad+len(x)], len(x)+1 )
self.assertEqual(len(result_data), len(x)+pad_size )
self.assertEqual(phy.phyglobal.ctrlQ().count(), 1)