From 30965aab6c6b28fabb1403c635d016fc532caa0d Mon Sep 17 00:00:00 2001
From: Stefan <stefan.wunsch@student.kit.edu>
Date: Tue, 1 Sep 2015 17:01:29 +0200
Subject: add test-case for reseed feature
---
gnuradio-runtime/python/gnuradio/gr/qa_random.py | 38 +++++++++++++++++++-----
1 file changed, 30 insertions(+), 8 deletions(-)
(limited to 'gnuradio-runtime/python/gnuradio/gr/qa_random.py')
diff --git a/gnuradio-runtime/python/gnuradio/gr/qa_random.py b/gnuradio-runtime/python/gnuradio/gr/qa_random.py
index ef85337ea6..c0d9a7f34c 100644
--- a/gnuradio-runtime/python/gnuradio/gr/qa_random.py
+++ b/gnuradio-runtime/python/gnuradio/gr/qa_random.py
@@ -23,6 +23,7 @@
from gnuradio import gr, gr_unittest
import numpy as np
from scipy.stats import norm, laplace, rayleigh
+#from time import sleep
class test_random(gr_unittest.TestCase):
@@ -110,24 +111,45 @@ class test_random(gr_unittest.TestCase):
for k in range(len(hist[0])):
print hist[1][k], hist[1][k+1], hist[0][k], float(rayleigh.cdf(hist[1][k+1])-rayleigh.cdf(hist[1][k]))*self.num_tests
- # Check seeds (init with time and seed as fix number, no assert)
+ # Check seeds (init with time and seed as fix number)
def test_6(self):
print '# TEST 6'
- rndm0 = gr.random(0); # init with time
- rndm1 = gr.random(42); # init with fix seed
num = 5
print 'Some random numbers in [0,1), should change every run:'
+ rndm0 = gr.random(0); # init with time
+ # NOTE: the sleep increases the executiont time massively, remove assert for convenience
+ #sleep(1)
+ #rndm1 = gr.random(0); # init with fix seed
for k in range(num):
- print rndm0.ran1(),
+ x = rndm0.ran1();
+ print x,
+ # y = rndm1.ran1();
+ # print x, '!=', y
+ # self.assertNotEqual(x,y)
print ' '
- print 'Some random numbers in [0,1), should be the same every run:'
+ print 'Some random numbers in [0,1) (seed two instances), should be the same every run:'
+ rndm0 = gr.random(42); # init with time
+ rndm1 = gr.random(42); # init with fix seed
for k in range(num):
- print rndm1.ran1(),
- print '== '
- print '0.374540120363 0.796543002129 0.950714290142 0.183434784412 0.731993913651'
+ x = rndm0.ran1();
+ y = rndm1.ran1();
+ print x, '=', y
+ self.assertEqual(x,y)
+ print 'Some random numbers in [0,1) (reseed one instance), should be the same every run:'
+ x = np.zeros(num)
+ y = np.zeros(num)
+ rndm0 = gr.random(42); # init with time
+ for k in range(num):
+ x[k] = rndm0.ran1();
+ rndm1.reseed(43); # init with fix seed
+ for k in range(num):
+ y[k] = rndm0.ran1();
+ for k in range(num):
+ print x[k], '!=', y[k]
+ self.assertNotEqual(x[k],y[k])
if __name__ == '__main__':
gr_unittest.run(test_random, "test_random.xml")
--
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