#!/usr/bin/env python
#
-# Copyright 2004 Free Software Foundation, Inc.
+# Copyright 2004,2007 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
class test_sig_source (gr_unittest.TestCase):
def setUp (self):
- self.fg = gr.flow_graph ()
+ self.tb = gr.top_block ()
def tearDown (self):
- self.fg = None
+ self.tb = None
def test_const_f (self):
- fg = self.fg
+ tb = self.tb
expected_result = (1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5)
src1 = gr.sig_source_f (1e6, gr.GR_CONST_WAVE, 0, 1.5)
op = gr.head (gr.sizeof_float, 10)
dst1 = gr.vector_sink_f ()
- fg.connect (src1, op)
- fg.connect (op, dst1)
- fg.run ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
dst_data = dst1.data ()
self.assertEqual (expected_result, dst_data)
def test_const_i (self):
- fg = self.fg
+ tb = self.tb
expected_result = (1, 1, 1, 1)
src1 = gr.sig_source_i (1e6, gr.GR_CONST_WAVE, 0, 1)
op = gr.head (gr.sizeof_int, 4)
dst1 = gr.vector_sink_i ()
- fg.connect (src1, op)
- fg.connect (op, dst1)
- fg.run ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
dst_data = dst1.data ()
self.assertEqual (expected_result, dst_data)
def test_sine_f (self):
- fg = self.fg
+ tb = self.tb
sqrt2 = math.sqrt(2) / 2
expected_result = (0, sqrt2, 1, sqrt2, 0, -sqrt2, -1, -sqrt2, 0)
src1 = gr.sig_source_f (8, gr.GR_SIN_WAVE, 1.0, 1.0)
op = gr.head (gr.sizeof_float, 9)
dst1 = gr.vector_sink_f ()
- fg.connect (src1, op)
- fg.connect (op, dst1)
- fg.run ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
dst_data = dst1.data ()
self.assertFloatTuplesAlmostEqual (expected_result, dst_data, 5)
def test_cosine_f (self):
- fg = self.fg
+ tb = self.tb
sqrt2 = math.sqrt(2) / 2
expected_result = (1, sqrt2, 0, -sqrt2, -1, -sqrt2, 0, sqrt2, 1)
src1 = gr.sig_source_f (8, gr.GR_COS_WAVE, 1.0, 1.0)
op = gr.head (gr.sizeof_float, 9)
dst1 = gr.vector_sink_f ()
- fg.connect (src1, op)
- fg.connect (op, dst1)
- fg.run ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
+ dst_data = dst1.data ()
+ self.assertFloatTuplesAlmostEqual (expected_result, dst_data, 5)
+
+ def test_sqr_c (self):
+ tb = self.tb #arg6 is a bit before -PI/2
+ expected_result = (1j, 1j, 0, 0, 1, 1, 1+0j, 1+1j, 1j)
+ src1 = gr.sig_source_c (8, gr.GR_SQR_WAVE, 1.0, 1.0)
+ op = gr.head (gr.sizeof_gr_complex, 9)
+ dst1 = gr.vector_sink_c ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
+ dst_data = dst1.data ()
+ self.assertEqual (expected_result, dst_data)
+
+ def test_tri_c (self):
+ tb = self.tb
+ expected_result = (1+.5j, .75+.75j, .5+1j, .25+.75j, 0+.5j, .25+.25j, .5+0j, .75+.25j, 1+.5j)
+ src1 = gr.sig_source_c (8, gr.GR_TRI_WAVE, 1.0, 1.0)
+ op = gr.head (gr.sizeof_gr_complex, 9)
+ dst1 = gr.vector_sink_c ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
+ dst_data = dst1.data ()
+ self.assertComplexTuplesAlmostEqual (expected_result, dst_data, 5)
+
+ def test_saw_c (self):
+ tb = self.tb
+ expected_result = (.5+.25j, .625+.375j, .75+.5j, .875+.625j, 0+.75j, .125+.875j, .25+1j, .375+.125j, .5+.25j)
+ src1 = gr.sig_source_c (8, gr.GR_SAW_WAVE, 1.0, 1.0)
+ op = gr.head (gr.sizeof_gr_complex, 9)
+ dst1 = gr.vector_sink_c ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
+ dst_data = dst1.data ()
+ self.assertComplexTuplesAlmostEqual (expected_result, dst_data, 5)
+
+ def test_sqr_f (self):
+ tb = self.tb
+ expected_result = (0, 0, 0, 0, 1, 1, 1, 1, 0)
+ src1 = gr.sig_source_f (8, gr.GR_SQR_WAVE, 1.0, 1.0)
+ op = gr.head (gr.sizeof_float, 9)
+ dst1 = gr.vector_sink_f ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
+ dst_data = dst1.data ()
+ self.assertEqual (expected_result, dst_data)
+
+ def test_tri_f (self):
+ tb = self.tb
+ expected_result = (1, .75, .5, .25, 0, .25, .5, .75, 1)
+ src1 = gr.sig_source_f (8, gr.GR_TRI_WAVE, 1.0, 1.0)
+ op = gr.head (gr.sizeof_float, 9)
+ dst1 = gr.vector_sink_f ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
+ dst_data = dst1.data ()
+ self.assertFloatTuplesAlmostEqual (expected_result, dst_data, 5)
+
+ def test_saw_f (self):
+ tb = self.tb
+ expected_result = (.5, .625, .75, .875, 0, .125, .25, .375, .5)
+ src1 = gr.sig_source_f (8, gr.GR_SAW_WAVE, 1.0, 1.0)
+ op = gr.head (gr.sizeof_float, 9)
+ dst1 = gr.vector_sink_f ()
+ tb.connect (src1, op)
+ tb.connect (op, dst1)
+ tb.run ()
dst_data = dst1.data ()
self.assertFloatTuplesAlmostEqual (expected_result, dst_data, 5)