def testHistogramStatsCalculator(self): histogram = {1: 5, 2: 10, 5: 5} stats = netperf_benchmark._HistogramStatsCalculator( histogram, [0, 20, 30, 74, 80, 100]) self.assertEqual(stats['p0'], 1) self.assertEqual(stats['p20'], 1) self.assertEqual(stats['p30'], 2) self.assertEqual(stats['p74'], 2) self.assertEqual(stats['p80'], 5) self.assertEqual(stats['p100'], 5) self.assertLessEqual(abs(stats['stddev'] - 1.538), 0.001)