1 files changed, 160 insertions, 0 deletions
diff --git a/gr-analog/python/qa_sig_source.py b/gr-analog/python/qa_sig_source.py
new file mode 100755
index 000000000..bc48333ed
--- /dev/null
+++ b/gr-analog/python/qa_sig_source.py
@@ -0,0 +1,160 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2007,2010,2012 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 analog_swig as analog
+import math
+
+class test_sig_source(gr_unittest.TestCase):
+
+    def setUp(self):
+        self.tb = gr.top_block()
+
+    def tearDown(self):
+        self.tb = None
+
+    def test_const_f(self):
+        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 = analog.sig_source_f(1e6, analog.GR_CONST_WAVE, 0, 1.5)
+        op = gr.head(gr.sizeof_float, 10)
+        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_const_i(self):
+        tb = self.tb
+        expected_result = (1, 1, 1, 1)
+        src1 = analog.sig_source_i(1e6, analog.GR_CONST_WAVE, 0, 1)
+        op = gr.head(gr.sizeof_int, 4)
+        dst1 = gr.vector_sink_i()
+        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):
+        tb = self.tb
+        sqrt2 = math.sqrt(2) / 2
+        expected_result = (0, sqrt2, 1, sqrt2, 0, -sqrt2, -1, -sqrt2, 0)
+        src1 = analog.sig_source_f(8, analog.GR_SIN_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_cosine_f(self):
+        tb = self.tb
+        sqrt2 = math.sqrt(2) / 2
+        expected_result = (1, sqrt2, 0, -sqrt2, -1, -sqrt2, 0, sqrt2, 1)
+        src1 = analog.sig_source_f(8, analog.GR_COS_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_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 = analog.sig_source_c(8, analog.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 = analog.sig_source_c(8, analog.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 = analog.sig_source_c(8, analog.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 = analog.sig_source_f(8, analog.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 = analog.sig_source_f(8, analog.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 = analog.sig_source_f(8, analog.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)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_sig_source, "test_sig_source.xml")